**Current forecast consensus from numerical weather models points to an overnight low near 12–14°C for Mexico City on September 9, aligning closely with the September climatological average of roughly 12–13°C at the city’s 2,240 m elevation.** Persistent cloud cover and scattered rain associated with the late rainy season are expected to limit radiational cooling overnight, keeping temperatures from falling into the single digits or rising much above the mid-teens. High humidity and frequent cloudiness typical of September suppress extreme diurnal ranges, while the absence of strong cold-air advection or clear, dry conditions makes a low of 6°C or below statistically uncommon. Conversely, a minimum of 16°C or higher would require unusually warm boundary-layer air or reduced cloud cover that allows less nighttime cooling than models currently indicate. Multiple sources, including short-range guidance valid as of September 7–8, show hourly temperatures bottoming out in the 12–14°C range around dawn, with only modest day-to-day variability. As resolution nears, updated model runs and observational data from CONAGUA will provide the clearest signals on whether any deviation from this central tendency develops.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Mexico City on September 9?
Lowest temperature in Mexico City on September 9?
6°C or below 98%
16°C or higher 98%
7°C 49%
8°C 49%
NEW
NEW
Sep 9, 2026
6°C or below
98%
7°C
49%
8°C
49%
9°C
49%
10°C
49%
11°C
49%
12°C
26%
13°C
27%
14°C
27%
15°C
49%
16°C or higher
98%
6°C or below 98%
16°C or higher 98%
7°C 49%
8°C 49%
NEW
NEW
Sep 9, 2026
6°C or below
$0 Vol.
98%
7°C
$0 Vol.
49%
8°C
$0 Vol.
49%
9°C
$0 Vol.
49%
10°C
$0 Vol.
49%
11°C
$0 Vol.
49%
12°C
$0 Vol.
26%
13°C
$0 Vol.
27%
14°C
$0 Vol.
27%
15°C
$0 Vol.
49%
16°C or higher
$0 Vol.
98%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Benito Juárez International Airport Station in degrees Celsius on 9 Sep '26.
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=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 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.**Current forecast consensus from numerical weather models points to an overnight low near 12–14°C for Mexico City on September 9, aligning closely with the September climatological average of roughly 12–13°C at the city’s 2,240 m elevation.** Persistent cloud cover and scattered rain associated with the late rainy season are expected to limit radiational cooling overnight, keeping temperatures from falling into the single digits or rising much above the mid-teens.
High humidity and frequent cloudiness typical of September suppress extreme diurnal ranges, while the absence of strong cold-air advection or clear, dry conditions makes a low of 6°C or below statistically uncommon. Conversely, a minimum of 16°C or higher would require unusually warm boundary-layer air or reduced cloud cover that allows less nighttime cooling than models currently indicate.
Multiple sources, including short-range guidance valid as of September 7–8, show hourly temperatures bottoming out in the 12–14°C range around dawn, with only modest day-to-day variability. As resolution nears, updated model runs and observational data from CONAGUA will provide the clearest signals on whether any deviation from this central tendency develops.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Benito Juárez International Airport Station in degrees Celsius on 9 Sep '26.
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=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 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 lowest 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 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 7, 2026, 8:29 AM ET
Volume
$0End Date
Sep 9, 2026Market Opened
Sep 7, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=mmmxResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Benito Juárez International Airport Station in degrees Celsius on 9 Sep '26.
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=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 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.**Current forecast consensus from numerical weather models points to an overnight low near 12–14°C for Mexico City on September 9, aligning closely with the September climatological average of roughly 12–13°C at the city’s 2,240 m elevation.** Persistent cloud cover and scattered rain associated with the late rainy season are expected to limit radiational cooling overnight, keeping temperatures from falling into the single digits or rising much above the mid-teens.
High humidity and frequent cloudiness typical of September suppress extreme diurnal ranges, while the absence of strong cold-air advection or clear, dry conditions makes a low of 6°C or below statistically uncommon. Conversely, a minimum of 16°C or higher would require unusually warm boundary-layer air or reduced cloud cover that allows less nighttime cooling than models currently indicate.
Multiple sources, including short-range guidance valid as of September 7–8, show hourly temperatures bottoming out in the 12–14°C range around dawn, with only modest day-to-day variability. As resolution nears, updated model runs and observational data from CONAGUA will provide the clearest signals on whether any deviation from this central tendency develops.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Benito Juárez International Airport Station in degrees Celsius on 9 Sep '26.
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=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 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 lowest 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 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
$0End Date
Sep 9, 2026Market Opened
Sep 7, 2026, 8:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=mmmxResolver
0x69c47De9D...**Current forecast consensus from numerical weather models points to an overnight low near 12–14°C for Mexico City on September 9, aligning closely with the September climatological average of roughly 12–13°C at the city’s 2,240 m elevation.** Persistent cloud cover and scattered rain associated with the late rainy season are expected to limit radiational cooling overnight, keeping temperatures from falling into the single digits or rising much above the mid-teens. High humidity and frequent cloudiness typical of September suppress extreme diurnal ranges, while the absence of strong cold-air advection or clear, dry conditions makes a low of 6°C or below statistically uncommon. Conversely, a minimum of 16°C or higher would require unusually warm boundary-layer air or reduced cloud cover that allows less nighttime cooling than models currently indicate. Multiple sources, including short-range guidance valid as of September 7–8, show hourly temperatures bottoming out in the 12–14°C range around dawn, with only modest day-to-day variability. As resolution nears, updated model runs and observational data from CONAGUA will provide the clearest signals on whether any deviation from this central tendency develops.
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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