**Forecast models for Chengdu on September 20 indicate a lowest temperature near 20–22°C under mostly cloudy to overcast skies with light winds and high humidity typical of the Sichuan Basin.** Multiple sources, including local and international guidance, project overnight lows in this range amid a stable post-monsoon pattern without strong cold-air advection or clear-sky radiative cooling that would drive sharper drops. The near-even market split between 26°C+ (48.5%) and 16°C or below (47.0%) reflects trader uncertainty around potential model shifts or localized variations, yet current consensus favors moderate conditions near the specific 20–22°C outcomes (18–30% each). Historical September lows average around 19–20°C, providing context that neither extreme appears strongly supported by present atmospheric setup. Fresh model runs or CMA updates in the next 24–48 hours represent the key upcoming data points that could alter implied probabilities.
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 Chengdu on September 20?
16°C or below 92%
26°C or higher 73%
21°C 47%
17°C 39%
16°C or below
92%
17°C
39%
18°C
39%
19°C
39%
20°C
30%
21°C
47%
22°C
22%
23°C
39%
24°C
39%
25°C
39%
26°C or higher
73%
16°C or below 92%
26°C or higher 73%
21°C 47%
17°C 39%
16°C or below
92%
17°C
39%
18°C
39%
19°C
39%
20°C
30%
21°C
47%
22°C
22%
23°C
39%
24°C
39%
25°C
39%
26°C or higher
73%
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=zuuu
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, 12:30 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zuuuResolver
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=zuuu
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=zuuuResolver
0x69c47De9D...**Forecast models for Chengdu on September 20 indicate a lowest temperature near 20–22°C under mostly cloudy to overcast skies with light winds and high humidity typical of the Sichuan Basin.** Multiple sources, including local and international guidance, project overnight lows in this range amid a stable post-monsoon pattern without strong cold-air advection or clear-sky radiative cooling that would drive sharper drops. The near-even market split between 26°C+ (48.5%) and 16°C or below (47.0%) reflects trader uncertainty around potential model shifts or localized variations, yet current consensus favors moderate conditions near the specific 20–22°C outcomes (18–30% each). Historical September lows average around 19–20°C, providing context that neither extreme appears strongly supported by present atmospheric setup. Fresh model runs or CMA updates in the next 24–48 hours represent the key upcoming data points that could alter implied probabilities.
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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