Recent model consensus points to overnight lows in Guangzhou near 25–26°C on September 13, driven by elevated dew points near 24°C that restrict radiative cooling and widespread cloud cover from expected thunderstorms. These conditions, typical of the lingering monsoon transition in the Pearl River Delta, keep minimum temperatures above the 1991–2020 average of 24.4°C while limiting sharp drops. Forecast spreads arise from varying precipitation timing and wind patterns across ECMWF and GFS runs, with some solutions showing brief clearer skies that could allow a dip toward 24°C. Traders weigh these variables against historical September variability, where similar setups have produced lows clustered in the mid-20s.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Guangzhou on September 13?
25°C 45%
22°C 37%
23°C 37%
28°C 37%
20°C or below
7%
21°C
13%
22°C
37%
23°C
37%
24°C
21%
25°C
28%
26°C
27%
27°C
22%
28°C
37%
29°C
37%
30°C or higher
8%
25°C 45%
22°C 37%
23°C 37%
28°C 37%
20°C or below
7%
21°C
13%
22°C
37%
23°C
37%
24°C
21%
25°C
28%
26°C
27%
27°C
22%
28°C
37%
29°C
37%
30°C or higher
8%
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=zggg
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.
Market Opened: Sep 11, 2026, 12:31 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zgggResolver
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=zggg
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=zgggResolver
0x69c47De9D...Recent model consensus points to overnight lows in Guangzhou near 25–26°C on September 13, driven by elevated dew points near 24°C that restrict radiative cooling and widespread cloud cover from expected thunderstorms. These conditions, typical of the lingering monsoon transition in the Pearl River Delta, keep minimum temperatures above the 1991–2020 average of 24.4°C while limiting sharp drops. Forecast spreads arise from varying precipitation timing and wind patterns across ECMWF and GFS runs, with some solutions showing brief clearer skies that could allow a dip toward 24°C. Traders weigh these variables against historical September variability, where similar setups have produced lows clustered in the mid-20s.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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