**Forecast uncertainty for Wellington's overnight minimum on September 13 centers on clear, calm conditions that favor radiative cooling versus light winds that could limit the drop.** Multiple models show highs near 14–16°C under mostly sunny skies, but projected lows range from 4°C in some guidance to 8–9°C in others, aligning with the market's near-even split between sub-5°C and 14°C+ outcomes. September climatology places average lows around 9–10°C, so traders weigh how quickly a high-pressure ridge allows surface temperatures to fall after sunset. Upcoming MetService and NHC-style updates will clarify wind speeds and cloud cover that differentiate these scenarios.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Wellington on September 13?
4°C or below 78%
14°C or higher 78%
6°C 40%
11°C 40%
4°C or below
78%
5°C
9%
6°C
40%
7°C
22%
8°C
27%
9°C
22%
10°C
22%
11°C
40%
12°C
18%
13°C
5%
14°C or higher
78%
4°C or below 78%
14°C or higher 78%
6°C 40%
11°C 40%
4°C or below
78%
5°C
9%
6°C
40%
7°C
22%
8°C
27%
9°C
22%
10°C
22%
11°C
40%
12°C
18%
13°C
5%
14°C or higher
78%
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=nzwn
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, 12:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=nzwnResolver
0x69c47De9D...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=nzwn
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=nzwnResolver
0x69c47De9D...**Forecast uncertainty for Wellington's overnight minimum on September 13 centers on clear, calm conditions that favor radiative cooling versus light winds that could limit the drop.** Multiple models show highs near 14–16°C under mostly sunny skies, but projected lows range from 4°C in some guidance to 8–9°C in others, aligning with the market's near-even split between sub-5°C and 14°C+ outcomes. September climatology places average lows around 9–10°C, so traders weigh how quickly a high-pressure ridge allows surface temperatures to fall after sunset. Upcoming MetService and NHC-style updates will clarify wind speeds and cloud cover that differentiate these scenarios.
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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