**Recent passage of a cold front and advection of a polar air mass are the main drivers behind trader positioning for Sao Paulo’s September 6 minimum temperature.** Official and model guidance point to southerly winds strengthening overnight, with widespread cloud cover and light rain limiting daytime heating and moderating the nocturnal minimum. Forecast lows cluster between roughly 10–11 °C, producing closely matched market probabilities for 10 °C, 11 °C, and 12 °C. Key uncertainties include the precise timing of frontal passage, sustained wind speeds that promote mixing versus calmer conditions that allow stronger radiative cooling, and any late clearing that could permit further temperature drops. Historical September climatology for the city shows typical overnight minima near 12 °C, so the current cooler regime reflects a clear departure driven by the incoming air mass. Updated model runs and surface observations through tonight will be the next data points likely to shift implied probabilities.
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 bassa a San Paolo il 6 settembre?
14°C 49%
13°C 47%
11°C 36%
16°C o superiore 33%
6°C o inferiore
1%
7°C
14%
8°C
19%
9°C
24%
10°C
28%
11°C
36%
12°C
29%
13°C
47%
14°C
49%
15°C
18%
16°C o superiore
33%
14°C 49%
13°C 47%
11°C 36%
16°C o superiore 33%
6°C o inferiore
1%
7°C
14%
8°C
19%
9°C
24%
10°C
28%
11°C
36%
12°C
29%
13°C
47%
14°C
49%
15°C
18%
16°C o superiore
33%
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.
Mercato aperto: Sep 4, 2026, 8:29 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 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.
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=sbgrRisolutore
0x69c47De9D...**Recent passage of a cold front and advection of a polar air mass are the main drivers behind trader positioning for Sao Paulo’s September 6 minimum temperature.** Official and model guidance point to southerly winds strengthening overnight, with widespread cloud cover and light rain limiting daytime heating and moderating the nocturnal minimum. Forecast lows cluster between roughly 10–11 °C, producing closely matched market probabilities for 10 °C, 11 °C, and 12 °C. Key uncertainties include the precise timing of frontal passage, sustained wind speeds that promote mixing versus calmer conditions that allow stronger radiative cooling, and any late clearing that could permit further temperature drops. Historical September climatology for the city shows typical overnight minima near 12 °C, so the current cooler regime reflects a clear departure driven by the incoming air mass. Updated model runs and surface observations through tonight will be the next data points likely to shift implied probabilities.
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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