Recent official forecasts from Malaysia's Meteorological Department project a daytime maximum near 34°C for Kuala Lumpur on September 18, with isolated thunderstorms and persistent haze likely to influence peak readings. Afternoon convection typical of the inter-monsoon period can suppress temperatures if storms develop before the usual mid-afternoon maximum, while clearer intervals or stronger urban heat retention could push readings to 34–35°C. Regional smoke from Sumatran fires adds another variable by altering incoming solar radiation and boundary-layer stability. Historical September highs average around 32.7°C, making the narrow spread among 32–34°C outcomes reflect genuine uncertainty in convective timing and cloud cover rather than model disagreement. Final METMalaysia observations will resolve the market.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Kuala Lumpur on September 18?
33°C 31%
32°C 28%
34°C 26%
31°C 14%
28°C or below
1%
29°C
2%
30°C
4%
31°C
14%
32°C
28%
33°C
31%
34°C
26%
35°C
5%
36°C
2%
37°C
<1%
38°C or higher
<1%
33°C 31%
32°C 28%
34°C 26%
31°C 14%
28°C or below
1%
29°C
2%
30°C
4%
31°C
14%
32°C
28%
33°C
31%
34°C
26%
35°C
5%
36°C
2%
37°C
<1%
38°C or higher
<1%
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=wmkk
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 16, 2026, 12:58 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=wmkkResolver
0x69c47De9D...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=wmkk
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=wmkkResolver
0x69c47De9D...Recent official forecasts from Malaysia's Meteorological Department project a daytime maximum near 34°C for Kuala Lumpur on September 18, with isolated thunderstorms and persistent haze likely to influence peak readings. Afternoon convection typical of the inter-monsoon period can suppress temperatures if storms develop before the usual mid-afternoon maximum, while clearer intervals or stronger urban heat retention could push readings to 34–35°C. Regional smoke from Sumatran fires adds another variable by altering incoming solar radiation and boundary-layer stability. Historical September highs average around 32.7°C, making the narrow spread among 32–34°C outcomes reflect genuine uncertainty in convective timing and cloud cover rather than model disagreement. Final METMalaysia observations will resolve the market.
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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