Current weather models indicate Helsinki's overnight minimum on September 13 will likely fall between 6–10 °C, driven by moderate southwesterly flow, variable cloud cover, and limited radiative cooling under partly cloudy skies. Ensemble forecasts show spread in boundary-layer mixing and dew-point depression, which explains the near-even market-implied odds between sub-6 °C outcomes and higher values near 11–13 °C. Historical September climatology places the average low near 9.7 °C, with clear-sky nights occasionally dipping lower; any increase in low-level moisture or wind speed tonight would suppress further cooling and favor the middle probabilities. Updated model runs and local observations tomorrow morning will refine the exact minimum before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Helsinki on September 13?
Lowest temperature in Helsinki on September 13?
6°C or below 65%
16°C or higher 65%
14°C 38%
15°C 38%
NEW
NEW
Sep 13, 2026
6°C or below
65%
7°C
8%
8°C
16%
9°C
22%
10°C
21%
11°C
28%
12°C
27%
13°C
22%
14°C
38%
15°C
38%
16°C or higher
65%
6°C or below 65%
16°C or higher 65%
14°C 38%
15°C 38%
NEW
NEW
Sep 13, 2026
6°C or below
$0 Vol.
65%
7°C
$0 Vol.
8%
8°C
$0 Vol.
16%
9°C
$0 Vol.
22%
10°C
$0 Vol.
21%
11°C
$4 Vol.
28%
12°C
$0 Vol.
27%
13°C
$0 Vol.
22%
14°C
$0 Vol.
38%
15°C
$0 Vol.
38%
16°C or higher
$0 Vol.
65%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 13 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=efhk
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 weather models indicate Helsinki's overnight minimum on September 13 will likely fall between 6–10 °C, driven by moderate southwesterly flow, variable cloud cover, and limited radiative cooling under partly cloudy skies. Ensemble forecasts show spread in boundary-layer mixing and dew-point depression, which explains the near-even market-implied odds between sub-6 °C outcomes and higher values near 11–13 °C. Historical September climatology places the average low near 9.7 °C, with clear-sky nights occasionally dipping lower; any increase in low-level moisture or wind speed tonight would suppress further cooling and favor the middle probabilities. Updated model runs and local observations tomorrow morning will refine the exact minimum before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 13 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=efhk
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=efhk
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 11, 2026, 12:31 AM ET
Volume
$4End Date
Sep 13, 2026Market Opened
Sep 11, 2026, 12:31 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=efhkResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 13 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=efhk
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 weather models indicate Helsinki's overnight minimum on September 13 will likely fall between 6–10 °C, driven by moderate southwesterly flow, variable cloud cover, and limited radiative cooling under partly cloudy skies. Ensemble forecasts show spread in boundary-layer mixing and dew-point depression, which explains the near-even market-implied odds between sub-6 °C outcomes and higher values near 11–13 °C. Historical September climatology places the average low near 9.7 °C, with clear-sky nights occasionally dipping lower; any increase in low-level moisture or wind speed tonight would suppress further cooling and favor the middle probabilities. Updated model runs and local observations tomorrow morning will refine the exact minimum before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 13 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=efhk
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=efhk
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
$4End Date
Sep 13, 2026Market Opened
Sep 11, 2026, 12:31 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=efhkResolver
0x69c47De9D...Current weather models indicate Helsinki's overnight minimum on September 13 will likely fall between 6–10 °C, driven by moderate southwesterly flow, variable cloud cover, and limited radiative cooling under partly cloudy skies. Ensemble forecasts show spread in boundary-layer mixing and dew-point depression, which explains the near-even market-implied odds between sub-6 °C outcomes and higher values near 11–13 °C. Historical September climatology places the average low near 9.7 °C, with clear-sky nights occasionally dipping lower; any increase in low-level moisture or wind speed tonight would suppress further cooling and favor the middle probabilities. Updated model runs and local observations tomorrow morning will refine the exact minimum before resolution.
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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