**Forecast models for Taipei on September 12, 2026, point to a daytime high near 31–32°C under mostly cloudy skies with scattered showers and easterly winds of 15–30 km/h, which explains the tight clustering of market probabilities around those values.** High humidity near 80–90% and the city’s basin topography, which traps heat and limits ventilation, typically moderate afternoon peaks while the urban heat island effect adds a few degrees compared to surrounding areas. Light rain and cloud cover can suppress solar heating enough to cap the maximum below 33°C in many runs, yet clearer intervals or delayed precipitation could allow a brief spike to 33°C. Historical September maxima average around 31°C with a narrow diurnal range of 5–7°C due to persistent moisture, aligning with current Central Weather Administration guidance and creating genuine uncertainty that keeps 31°C and 32°C outcomes nearly tied in trader sentiment. Updated afternoon observations or refined model outputs will likely resolve the narrow spread before market close.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Taipei on September 12?
32°C 35%
31°C 27%
33°C 16%
30°C 11%
$26,944 Vol.
$26,944 Vol.
28°C or below
2%
29°C
4%
30°C
11%
31°C
27%
32°C
35%
33°C
16%
34°C
6%
35°C
3%
36°C
1%
37°C
<1%
38°C or higher
<1%
32°C 35%
31°C 27%
33°C 16%
30°C 11%
$26,944 Vol.
$26,944 Vol.
28°C or below
2%
29°C
4%
30°C
11%
31°C
27%
32°C
35%
33°C
16%
34°C
6%
35°C
3%
36°C
1%
37°C
<1%
38°C or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Taipei Songshan Airport Station in degrees Celsius on 12 Sep '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Taipei Songshan Airport Station, available here: https://www.wunderground.com/history/daily/tw/taipei/RCSS.
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 gear icon next to the search bar and switch the Temperature setting between °F and °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 10, 2026, 12:57 AM ET
Resolution Source
https://www.wunderground.com/history/daily/tw/taipei/RCSSResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Taipei Songshan Airport Station in degrees Celsius on 12 Sep '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Taipei Songshan Airport Station, available here: https://www.wunderground.com/history/daily/tw/taipei/RCSS.
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 gear icon next to the search bar and switch the Temperature setting between °F and °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.wunderground.com/history/daily/tw/taipei/RCSSResolver
0x69c47De9D...**Forecast models for Taipei on September 12, 2026, point to a daytime high near 31–32°C under mostly cloudy skies with scattered showers and easterly winds of 15–30 km/h, which explains the tight clustering of market probabilities around those values.** High humidity near 80–90% and the city’s basin topography, which traps heat and limits ventilation, typically moderate afternoon peaks while the urban heat island effect adds a few degrees compared to surrounding areas. Light rain and cloud cover can suppress solar heating enough to cap the maximum below 33°C in many runs, yet clearer intervals or delayed precipitation could allow a brief spike to 33°C. Historical September maxima average around 31°C with a narrow diurnal range of 5–7°C due to persistent moisture, aligning with current Central Weather Administration guidance and creating genuine uncertainty that keeps 31°C and 32°C outcomes nearly tied in trader sentiment. Updated afternoon observations or refined model outputs will likely resolve the narrow spread before market close.
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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