**Forecast models and current atmospheric conditions strongly favor a maximum temperature of 24°C or below in São Paulo on September 22.** Persistent cloud cover and widespread showers or thunderstorms, driven by a moist air mass and weak steering flow, are expected to limit daytime heating across the metropolitan area. Multiple numerical weather prediction runs, including those from global ensembles, show afternoon highs clustered between 22–26°C, with precipitation probabilities exceeding 70% during peak heating hours. This setup aligns with the broader pattern of an unusually wet September, already the rainiest on record in parts of the city, which has suppressed temperatures relative to the climatological September average high near 23–24°C. Official resolution will rely on verified observations from stations such as those operated by INMET, with any late-day clearing potentially allowing brief spikes but unlikely to exceed the 24°C threshold under prevailing conditions.
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 22?
24°C or below 87%
25°C 6%
26°C 5%
27°C 4%
24°C or below
87%
25°C
6%
26°C
5%
27°C
4%
28°C
2%
29°C
1%
30°C
<1%
31°C
<1%
32°C
<1%
33°C
<1%
34°C or higher
<1%
24°C or below 87%
25°C 6%
26°C 5%
27°C 4%
24°C or below
87%
25°C
6%
26°C
5%
27°C
4%
28°C
2%
29°C
1%
30°C
<1%
31°C
<1%
32°C
<1%
33°C
<1%
34°C or higher
<1%
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 20, 2026, 8:55 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...**Forecast models and current atmospheric conditions strongly favor a maximum temperature of 24°C or below in São Paulo on September 22.** Persistent cloud cover and widespread showers or thunderstorms, driven by a moist air mass and weak steering flow, are expected to limit daytime heating across the metropolitan area. Multiple numerical weather prediction runs, including those from global ensembles, show afternoon highs clustered between 22–26°C, with precipitation probabilities exceeding 70% during peak heating hours. This setup aligns with the broader pattern of an unusually wet September, already the rainiest on record in parts of the city, which has suppressed temperatures relative to the climatological September average high near 23–24°C. Official resolution will rely on verified observations from stations such as those operated by INMET, with any late-day clearing potentially allowing brief spikes but unlikely to exceed the 24°C threshold under prevailing conditions.
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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