**Persistent cloud cover, widespread rain from a cold front, and associated atmospheric cooling have positioned 16–17°C as the most likely range for São Paulo’s daily maximum temperature on September 13, 2026.** Official forecasts from sources including INMET, Climatempo, Met Office, and numerical models consistently indicate a high near 16–17°C under overcast skies, with moderate to heavy precipitation expected throughout the day and light winds from the southeast. September 2026 has already seen exceptional rainfall totals exceeding 198 mm at the Mirante de Santana station by September 12—placing the month among the wettest Septembers on record—and the frontal system on the 13th is reinforcing cooler, more stable conditions that suppress daytime heating. Historical September maxima average around 23°C, but the current setup deviates sharply due to the rain-cooled boundary layer and lack of solar insolation. Market-implied probabilities reflect this consensus, with 17°C holding the highest share followed closely by 16°C, while higher outcomes like 18°C or above carry lower weight absent any model support for significant warming. Updated forecast runs and official INMET bulletins through the afternoon will provide the final observational data for resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Sao Paulo on September 13?
Highest temperature in Sao Paulo on September 13?
17°C 40%
16°C 25%
18°C 20%
15°C 7%
BAGO
$10,693 Vol.
BAGO
$10,693 Vol.
Sep 13, 2026
12°C or below
<1%
13°C
1%
14°C
3%
15°C
7%
16°C
25%
17°C
40%
18°C
20%
19°C
5%
20°C
3%
21°C
1%
22°C or higher
<1%
17°C 40%
16°C 25%
18°C 20%
15°C 7%
BAGO
$10,693 Vol.
BAGO
$10,693 Vol.
Sep 13, 2026
12°C or below
$2,620 Vol.
<1%
13°C
$1,756 Vol.
1%
14°C
$840 Vol.
3%
15°C
$1,787 Vol.
7%
16°C
$725 Vol.
25%
17°C
$660 Vol.
40%
18°C
$492 Vol.
20%
19°C
$694 Vol.
5%
20°C
$206 Vol.
3%
21°C
$258 Vol.
1%
22°C or higher
$655 Vol.
<1%
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 13 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.**Persistent cloud cover, widespread rain from a cold front, and associated atmospheric cooling have positioned 16–17°C as the most likely range for São Paulo’s daily maximum temperature on September 13, 2026.** Official forecasts from sources including INMET, Climatempo, Met Office, and numerical models consistently indicate a high near 16–17°C under overcast skies, with moderate to heavy precipitation expected throughout the day and light winds from the southeast.
September 2026 has already seen exceptional rainfall totals exceeding 198 mm at the Mirante de Santana station by September 12—placing the month among the wettest Septembers on record—and the frontal system on the 13th is reinforcing cooler, more stable conditions that suppress daytime heating. Historical September maxima average around 23°C, but the current setup deviates sharply due to the rain-cooled boundary layer and lack of solar insolation.
Market-implied probabilities reflect this consensus, with 17°C holding the highest share followed closely by 16°C, while higher outcomes like 18°C or above carry lower weight absent any model support for significant warming. Updated forecast runs and official INMET bulletins through the afternoon will provide the final observational data for resolution.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 13 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Binuksan ang Market: Sep 11, 2026, 8:55 AM ET
Volume
$10,693Petsa ng Pagtatapos
Sep 13, 2026Binuksan ang Market
Sep 11, 2026, 8:55 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 13 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.**Persistent cloud cover, widespread rain from a cold front, and associated atmospheric cooling have positioned 16–17°C as the most likely range for São Paulo’s daily maximum temperature on September 13, 2026.** Official forecasts from sources including INMET, Climatempo, Met Office, and numerical models consistently indicate a high near 16–17°C under overcast skies, with moderate to heavy precipitation expected throughout the day and light winds from the southeast.
September 2026 has already seen exceptional rainfall totals exceeding 198 mm at the Mirante de Santana station by September 12—placing the month among the wettest Septembers on record—and the frontal system on the 13th is reinforcing cooler, more stable conditions that suppress daytime heating. Historical September maxima average around 23°C, but the current setup deviates sharply due to the rain-cooled boundary layer and lack of solar insolation.
Market-implied probabilities reflect this consensus, with 17°C holding the highest share followed closely by 16°C, while higher outcomes like 18°C or above carry lower weight absent any model support for significant warming. Updated forecast runs and official INMET bulletins through the afternoon will provide the final observational data for resolution.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Sao Paulo-Guarulhos International Airport Station in degrees Celsius on 13 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=sbgr
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Volume
$10,693Petsa ng Pagtatapos
Sep 13, 2026Binuksan ang Market
Sep 11, 2026, 8:55 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...**Persistent cloud cover, widespread rain from a cold front, and associated atmospheric cooling have positioned 16–17°C as the most likely range for São Paulo’s daily maximum temperature on September 13, 2026.** Official forecasts from sources including INMET, Climatempo, Met Office, and numerical models consistently indicate a high near 16–17°C under overcast skies, with moderate to heavy precipitation expected throughout the day and light winds from the southeast. September 2026 has already seen exceptional rainfall totals exceeding 198 mm at the Mirante de Santana station by September 12—placing the month among the wettest Septembers on record—and the frontal system on the 13th is reinforcing cooler, more stable conditions that suppress daytime heating. Historical September maxima average around 23°C, but the current setup deviates sharply due to the rain-cooled boundary layer and lack of solar insolation. Market-implied probabilities reflect this consensus, with 17°C holding the highest share followed closely by 16°C, while higher outcomes like 18°C or above carry lower weight absent any model support for significant warming. Updated forecast runs and official INMET bulletins through the afternoon will provide the final observational data for resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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