Singapore's late-September temperatures typically peak near 31–32°C amid the tail of the Southwest Monsoon and inter-monsoon transition, with afternoon thundery showers providing occasional moderation through cloud cover and evaporative cooling. Recent below-average rainfall and multiple days exceeding 34°C have kept surface heating elevated, yet official outlooks project daily maxima of 33–34°C for late September with potential for localized 35°C spikes. Short-range model guidance for September 22 points to a high around 32°C under partly cloudy, humid conditions with a 50–60% storm chance, aligning with the market's strong 32°C weighting. Persistent humidity above 75% and urban heat effects limit variance, while steering patterns and any regional wind convergence remain the key variables that could nudge the peak higher or allow brief cooling.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Singapore on September 22?
Highest temperature in Singapore on September 22?
32°C 52%
33°C 30%
31°C 16%
30°C 3%
NEW
NEW
Sep 22, 2026
28°C or below
2%
29°C
1%
30°C
3%
31°C
16%
32°C
52%
33°C
30%
34°C
3%
35°C
<1%
36°C
<1%
37°C
<1%
38°C or higher
<1%
32°C 52%
33°C 30%
31°C 16%
30°C 3%
NEW
NEW
Sep 22, 2026
28°C or below
$120 Vol.
2%
29°C
$429 Vol.
1%
30°C
$423 Vol.
3%
31°C
$740 Vol.
16%
32°C
$868 Vol.
52%
33°C
$3,426 Vol.
30%
34°C
$436 Vol.
3%
35°C
$475 Vol.
<1%
36°C
$95 Vol.
<1%
37°C
$15 Vol.
<1%
38°C or higher
$15 Vol.
<1%
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Singapore Changi Airport Station in degrees Celsius on 22 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=wsss
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.Singapore's late-September temperatures typically peak near 31–32°C amid the tail of the Southwest Monsoon and inter-monsoon transition, with afternoon thundery showers providing occasional moderation through cloud cover and evaporative cooling. Recent below-average rainfall and multiple days exceeding 34°C have kept surface heating elevated, yet official outlooks project daily maxima of 33–34°C for late September with potential for localized 35°C spikes. Short-range model guidance for September 22 points to a high around 32°C under partly cloudy, humid conditions with a 50–60% storm chance, aligning with the market's strong 32°C weighting. Persistent humidity above 75% and urban heat effects limit variance, while steering patterns and any regional wind convergence remain the key variables that could nudge the peak higher or allow brief cooling.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Singapore Changi Airport Station in degrees Celsius on 22 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=wsss
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.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=wsss
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 20, 2026, 12:57 AM ET
Volume
$7,041End Date
Sep 22, 2026Market Opened
Sep 20, 2026, 12:57 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=wsssResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Singapore Changi Airport Station in degrees Celsius on 22 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=wsss
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.Singapore's late-September temperatures typically peak near 31–32°C amid the tail of the Southwest Monsoon and inter-monsoon transition, with afternoon thundery showers providing occasional moderation through cloud cover and evaporative cooling. Recent below-average rainfall and multiple days exceeding 34°C have kept surface heating elevated, yet official outlooks project daily maxima of 33–34°C for late September with potential for localized 35°C spikes. Short-range model guidance for September 22 points to a high around 32°C under partly cloudy, humid conditions with a 50–60% storm chance, aligning with the market's strong 32°C weighting. Persistent humidity above 75% and urban heat effects limit variance, while steering patterns and any regional wind convergence remain the key variables that could nudge the peak higher or allow brief cooling.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Singapore Changi Airport Station in degrees Celsius on 22 Sep '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=wsss
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.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=wsss
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.
Volume
$7,041End Date
Sep 22, 2026Market Opened
Sep 20, 2026, 12:57 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=wsssResolver
0x69c47De9D...Singapore's late-September temperatures typically peak near 31–32°C amid the tail of the Southwest Monsoon and inter-monsoon transition, with afternoon thundery showers providing occasional moderation through cloud cover and evaporative cooling. Recent below-average rainfall and multiple days exceeding 34°C have kept surface heating elevated, yet official outlooks project daily maxima of 33–34°C for late September with potential for localized 35°C spikes. Short-range model guidance for September 22 points to a high around 32°C under partly cloudy, humid conditions with a 50–60% storm chance, aligning with the market's strong 32°C weighting. Persistent humidity above 75% and urban heat effects limit variance, while steering patterns and any regional wind convergence remain the key variables that could nudge the peak higher or allow brief cooling.
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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