Trader consensus on a 26°C-or-higher maximum for Mexico City on September 2 reflects official post-event meteorological observations confirming the daily high reached or exceeded that threshold. Persistent afternoon convection and thunderstorm activity, driven by a mid-level anticyclonic circulation and monsoon moisture, still allowed surface heating under broken cloud cover to push temperatures into the upper range typical for early September in the Valley of Mexico, where urban heat island effects often add 1–2°C above surrounding stations. Historical September maxima average near 25°C, with 26°C-plus days occurring regularly during the wet season. Only a significant downward revision in Servicio Meteorológico Nacional data or station-specific discrepancies could alter the outcome, though current market pricing indicates such revisions are unlikely.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Mexico City on September 2?
26°C or higher 100.0%
16°C or below <1%
17°C <1%
18°C <1%
$20,289 Vol.
$20,289 Vol.
16°C or below
<1%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C or higher
100%
26°C or higher 100.0%
16°C or below <1%
17°C <1%
18°C <1%
$20,289 Vol.
$20,289 Vol.
16°C or below
<1%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C or higher
100%
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=mmmx
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 which 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 can not resolve until the first data point for the following date has been published on the resolution source.
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: Aug 31, 2026, 8:56 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=mmmxResolver
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=mmmx
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 which 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 can not resolve until the first data point for the following date has been published on the resolution source.
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=mmmxResolver
0x69c47De9D...Trader consensus on a 26°C-or-higher maximum for Mexico City on September 2 reflects official post-event meteorological observations confirming the daily high reached or exceeded that threshold. Persistent afternoon convection and thunderstorm activity, driven by a mid-level anticyclonic circulation and monsoon moisture, still allowed surface heating under broken cloud cover to push temperatures into the upper range typical for early September in the Valley of Mexico, where urban heat island effects often add 1–2°C above surrounding stations. Historical September maxima average near 25°C, with 26°C-plus days occurring regularly during the wet season. Only a significant downward revision in Servicio Meteorológico Nacional data or station-specific discrepancies could alter the outcome, though current market pricing indicates such revisions are unlikely.
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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