Recent forecasts from multiple meteorological sources indicate a high near 16–18°C in São Paulo on September 13, driven by persistent southeasterly winds advecting cooler maritime air and extensive cloud cover that limits solar heating. High humidity and scattered showers further suppress maximum temperatures by enhancing evaporative cooling and reducing insolation. Model consensus centers on 17°C as the most likely peak, with minor variations arising from differences in simulated cloud timing and boundary-layer mixing; traders assign the highest implied probabilities to 17°C and 18°C because these align closely with ensemble means while acknowledging the narrow uncertainty range typical for short-range regional forecasts. Historical September averages near 23°C underscore how this cooler pattern deviates from climatology due to the current synoptic setup.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · DiperbaruiHighest temperature in Sao Paulo on September 13?
17°C 34%
18°C 31%
16°C 18%
19°C 9%
12°C or below
1%
13°C
2%
14°C
3%
15°C
5%
16°C
18%
17°C
34%
18°C
31%
19°C
9%
20°C
5%
21°C
3%
22°C or higher
<1%
17°C 34%
18°C 31%
16°C 18%
19°C 9%
12°C or below
1%
13°C
2%
14°C
3%
15°C
5%
16°C
18%
17°C
34%
18°C
31%
19°C
9%
20°C
5%
21°C
3%
22°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.
Pasar Dibuka: Sep 11, 2026, 8:55 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 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.
Sumber Resolusi
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...Recent forecasts from multiple meteorological sources indicate a high near 16–18°C in São Paulo on September 13, driven by persistent southeasterly winds advecting cooler maritime air and extensive cloud cover that limits solar heating. High humidity and scattered showers further suppress maximum temperatures by enhancing evaporative cooling and reducing insolation. Model consensus centers on 17°C as the most likely peak, with minor variations arising from differences in simulated cloud timing and boundary-layer mixing; traders assign the highest implied probabilities to 17°C and 18°C because these align closely with ensemble means while acknowledging the narrow uncertainty range typical for short-range regional forecasts. Historical September averages near 23°C underscore how this cooler pattern deviates from climatology due to the current synoptic setup.
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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