Official forecasts from sources including INMET and regional models show Sao Paulo's minimum temperature on September 20 likely holding near 18–20 °C overnight, supported by persistent cloud cover, high humidity near 90 percent, and light northerly winds that limit radiational cooling. These conditions reduce the typical springtime drop below 16 °C, with dew points remaining elevated around 16–18 °C. Model consensus points to a stable boundary layer preventing sharp declines, though minor variations in exact station readings or localized clearing could shift the recorded low by 1–2 °C. Upcoming hourly updates from meteorological agencies will refine the final minimum before resolution.
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 20?
13°C or below 100%
16°C 51%
15°C 19%
14°C 18%
13°C or below
100%
14°C
18%
15°C
19%
16°C
51%
17°C
-
18°C
50%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C or higher
<1%
13°C or below 100%
16°C 51%
15°C 19%
14°C 18%
13°C or below
100%
14°C
18%
15°C
19%
16°C
51%
17°C
-
18°C
50%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C or higher
<1%
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 18, 2026, 8:29 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 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...Official forecasts from sources including INMET and regional models show Sao Paulo's minimum temperature on September 20 likely holding near 18–20 °C overnight, supported by persistent cloud cover, high humidity near 90 percent, and light northerly winds that limit radiational cooling. These conditions reduce the typical springtime drop below 16 °C, with dew points remaining elevated around 16–18 °C. Model consensus points to a stable boundary layer preventing sharp declines, though minor variations in exact station readings or localized clearing could shift the recorded low by 1–2 °C. Upcoming hourly updates from meteorological agencies will refine the final minimum before resolution.
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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