Recent forecast updates from multiple models show increased cloud cover, light rain chances, and moderating northerly flow over São Paulo on September 20, which will limit daytime solar heating and cap the maximum temperature. Official guidance and ensemble runs point to highs clustered in the low-to-mid 20s Celsius—consistent with the market's heaviest weighting on 21°C or below—while historical September averages near 24°C provide context for the cooler outlook. Key resolution hinges on the official recorded peak; any model shift toward clearer skies or stronger insolation could push odds higher.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoLa temperatura più alta a San Paolo il 20 settembre?
21°C o inferiore 44%
22°C 15%
24°C 14%
23°C 12%
21°C o inferiore
44%
22°C
15%
23°C
12%
24°C
14%
25°C
8%
26°C
6%
27°C
6%
28°C
5%
29°C
<1%
30°C
<1%
31°C o superiore
<1%
21°C o inferiore 44%
22°C 15%
24°C 14%
23°C 12%
21°C o inferiore
44%
22°C
15%
23°C
12%
24°C
14%
25°C
8%
26°C
6%
27°C
6%
28°C
5%
29°C
<1%
30°C
<1%
31°C o superiore
<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.
Mercato aperto: Sep 18, 2026, 8:55 AM ET
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=sbgrRisolutore
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.
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=sbgrRisolutore
0x69c47De9D...Recent forecast updates from multiple models show increased cloud cover, light rain chances, and moderating northerly flow over São Paulo on September 20, which will limit daytime solar heating and cap the maximum temperature. Official guidance and ensemble runs point to highs clustered in the low-to-mid 20s Celsius—consistent with the market's heaviest weighting on 21°C or below—while historical September averages near 24°C provide context for the cooler outlook. Key resolution hinges on the official recorded peak; any model shift toward clearer skies or stronger insolation could push odds higher.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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