Recent heavy rainfall across São Paulo—already the wettest September on record with over 250 mm in the first half—has increased soil moisture and cloud cover, moderating overnight cooling and supporting minimum temperatures closer to 19–22 °C on September 21. Official forecasts from sources such as WeatherBug, Worldmeteo, and Yr.no currently indicate lows in this range under partly cloudy skies and northerly winds, above the month’s climatological average of 12–15 °C. Model consensus remains sensitive to small shifts in cloud timing or frontal passage, creating genuine uncertainty between cooler boundary-layer conditions and warmer advection. Updated GFS and ECMWF runs over the next 48 hours will refine the exact minimum ahead of market resolution.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · DiperbaruiLowest temperature in Sao Paulo on September 21?
16°C or below 99%
26°C or higher 97%
25°C 40%
17°C 39%
16°C or below
99%
17°C
39%
18°C
39%
19°C
21%
20°C
21%
21°C
21%
22°C
39%
23°C
39%
24°C
39%
25°C
40%
26°C or higher
97%
16°C or below 99%
26°C or higher 97%
25°C 40%
17°C 39%
16°C or below
99%
17°C
39%
18°C
39%
19°C
21%
20°C
21%
21°C
21%
22°C
39%
23°C
39%
24°C
39%
25°C
40%
26°C or higher
97%
The resolution source for this market will be information from NOAA, specifically the lowest 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.
Pasar Dibuka: Sep 19, 2026, 8:29 AM ET
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest 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.
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...Recent heavy rainfall across São Paulo—already the wettest September on record with over 250 mm in the first half—has increased soil moisture and cloud cover, moderating overnight cooling and supporting minimum temperatures closer to 19–22 °C on September 21. Official forecasts from sources such as WeatherBug, Worldmeteo, and Yr.no currently indicate lows in this range under partly cloudy skies and northerly winds, above the month’s climatological average of 12–15 °C. Model consensus remains sensitive to small shifts in cloud timing or frontal passage, creating genuine uncertainty between cooler boundary-layer conditions and warmer advection. Updated GFS and ECMWF runs over the next 48 hours will refine the exact minimum ahead of market resolution.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · Diperbarui
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