**Recent developments show Sao Paulo experienced cooler-than-average overnight conditions on September 13, 2026, driven by persistent cloud cover, light rain, and southeasterly winds that limited radiative cooling.** Official monitoring data and model outputs indicated minimum temperatures clustered near 11–15 °C, with hourly readings from Congonhas and other stations bottoming out around 11–12 °C amid high humidity (90 %+ ) and overcast skies. This setup reduced the typical nocturnal temperature drop compared with clearer nights, while urban heat-island effects and measurement timing at different stations introduced small variances. Traders priced the close contest among 13 °C, 14 °C, 15 °C, and 10 °C-or-below outcomes because ensemble forecasts diverged on the precise low, reflecting uncertainty in boundary-layer moisture and wind mixing. The market-implied odds therefore aggregate real-capital assessments of these meteorological variables rather than a single deterministic value.
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-updateLowest temperature in Sao Paulo on September 13?
15°C 99.5%
10°C or below 1.0%
11°C 1.0%
12°C 1.0%
$610 Vol.
$610 Vol.
10°C or below
No
11°C
No
12°C
No
13°C
No
14°C
No
15°C
Yes
16°C
No
17°C
No
18°C
No
19°C
No
20°C or higher
No
15°C 99.5%
10°C or below 1.0%
11°C 1.0%
12°C 1.0%
$610 Vol.
$610 Vol.
10°C or below
No
11°C
No
12°C
No
13°C
No
14°C
No
15°C
Yes
16°C
No
17°C
No
18°C
No
19°C
No
20°C or higher
No
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.
Binuksan ang Market: Sep 11, 2026, 8:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...Na-propose ang outcome: No
Walang dispute
Pinal na outcome: No
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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=sbgrResolver
0x69c47De9D...Na-propose ang outcome: No
Walang dispute
Pinal na outcome: No
**Recent developments show Sao Paulo experienced cooler-than-average overnight conditions on September 13, 2026, driven by persistent cloud cover, light rain, and southeasterly winds that limited radiative cooling.** Official monitoring data and model outputs indicated minimum temperatures clustered near 11–15 °C, with hourly readings from Congonhas and other stations bottoming out around 11–12 °C amid high humidity (90 %+ ) and overcast skies. This setup reduced the typical nocturnal temperature drop compared with clearer nights, while urban heat-island effects and measurement timing at different stations introduced small variances. Traders priced the close contest among 13 °C, 14 °C, 15 °C, and 10 °C-or-below outcomes because ensemble forecasts diverged on the precise low, reflecting uncertainty in boundary-layer moisture and wind mixing. The market-implied odds therefore aggregate real-capital assessments of these meteorological variables rather than a single deterministic value.
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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