Recent forecasts from meteorological agencies indicate Guangzhou's minimum temperature on September 25 will likely fall near 25–27°C under clearing skies after earlier showers, consistent with late-September subtropical norms where radiative cooling overnight competes with high humidity and residual cloud cover. Primary drivers include persistent southerly flow from the South China Sea maintaining warmth while any strengthening northerly influence or clearer conditions could allow greater nocturnal heat loss, pushing readings toward the low 20s. Conversely, sustained cloudiness or weak frontal passage would limit cooling and support minima near or above 28°C. With model consensus tight around 26°C but short-range variability possible from timing of any final rain bands, trader sentiment reflects this narrow uncertainty band rather than extremes.
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 25?
20°C or below 99%
30°C or higher 98%
21°C 40%
22°C 40%
20°C or below
99%
21°C
40%
22°C
40%
23°C
40%
24°C
40%
25°C
21%
26°C
21%
27°C
40%
28°C
40%
29°C
40%
30°C or higher
98%
20°C or below 99%
30°C or higher 98%
21°C 40%
22°C 40%
20°C or below
99%
21°C
40%
22°C
40%
23°C
40%
24°C
40%
25°C
21%
26°C
21%
27°C
40%
28°C
40%
29°C
40%
30°C or higher
98%
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 23, 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 forecasts from meteorological agencies indicate Guangzhou's minimum temperature on September 25 will likely fall near 25–27°C under clearing skies after earlier showers, consistent with late-September subtropical norms where radiative cooling overnight competes with high humidity and residual cloud cover. Primary drivers include persistent southerly flow from the South China Sea maintaining warmth while any strengthening northerly influence or clearer conditions could allow greater nocturnal heat loss, pushing readings toward the low 20s. Conversely, sustained cloudiness or weak frontal passage would limit cooling and support minima near or above 28°C. With model consensus tight around 26°C but short-range variability possible from timing of any final rain bands, trader sentiment reflects this narrow uncertainty band rather than extremes.
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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