**Forecast consensus from multiple models places Guangzhou's minimum temperature for September 20 near 27–28°C, supporting the tight market between the 28°C outcome (54.0% implied) and lower thresholds.** Late-September subtropical conditions feature elevated dew points near 24–26°C and moderate humidity (55–80%), which limit nocturnal radiative cooling under partly cloudy skies. Light southerly or variable winds and a 20–60% chance of showers or thunderstorms further suppress temperature drops by enhancing mixing and cloud cover. Historical averages show a 23.8°C low, but 2026 conditions align with recent warmer analogs where minima stayed above 25°C. Model disagreements on exact overnight cloud thickness and wind speed create the narrow spread between 27°C and 28°C resolutions, with traders weighting the latest observational updates and ensemble runs from agencies like the China Meteorological Administration.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourLa température la plus basse à Guangzhou le 20 septembre ?
21°C ou moins 97%
26°C 92%
25°C 20%
24°C 10%
$436 Vol.
$436 Vol.
21°C ou moins
97%
22°C
4%
23°C
8%
24°C
10%
25°C
20%
26°C
92%
27°C
-
28°C
54%
29°C
<1%
30°C
<1%
31°C ou plus
<1%
21°C ou moins 97%
26°C 92%
25°C 20%
24°C 10%
$436 Vol.
$436 Vol.
21°C ou moins
97%
22°C
4%
23°C
8%
24°C
10%
25°C
20%
26°C
92%
27°C
-
28°C
54%
29°C
<1%
30°C
<1%
31°C ou plus
<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=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.
Marché ouvert : Sep 18, 2026, 12:31 AM ET
Source de résolution
https://www.weather.gov/wrh/timeseries?site=zgggRésolveur
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.
Source de résolution
https://www.weather.gov/wrh/timeseries?site=zgggRésolveur
0x69c47De9D...**Forecast consensus from multiple models places Guangzhou's minimum temperature for September 20 near 27–28°C, supporting the tight market between the 28°C outcome (54.0% implied) and lower thresholds.** Late-September subtropical conditions feature elevated dew points near 24–26°C and moderate humidity (55–80%), which limit nocturnal radiative cooling under partly cloudy skies. Light southerly or variable winds and a 20–60% chance of showers or thunderstorms further suppress temperature drops by enhancing mixing and cloud cover. Historical averages show a 23.8°C low, but 2026 conditions align with recent warmer analogs where minima stayed above 25°C. Model disagreements on exact overnight cloud thickness and wind speed create the narrow spread between 27°C and 28°C resolutions, with traders weighting the latest observational updates and ensemble runs from agencies like the China Meteorological Administration.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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