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Colebrook weather in September 2025
Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Colebrook in September. Check more long-term weather averages for Colebrook in September before you book your next holiday to New Hampshire in 2025/2026.
- 1818°C max day temperature
- 5 hours of sunshine per day
- 1111 days with some rainfall
- 66°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 9999 mm of monthly rainfall
- 55 (Moderate) UV index
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Recommended for New Hampshire
The September weather guide for New Hampshire (Colebrook) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Colebrook in September?
Daytime temperatures usually reach 18°C in Colebrook in September, falling to 6°C at night.
How sunny is it in Colebrook in September?
There are normally 5 hours of bright sunshine each day in Colebrook in September - that's 43% of daylight hours.
Does it rain in Colebrook in September?
There are usually 11 days with some rain in Colebrook in September and the average monthly rainfall is 99mm.
What is the chance of a hurricane in Colebrook in September?
On average less than 1 day in September in Colebrook is likely to be affected by the passage of one or more tropical storms.
Colebrook September sunrise & sunset times
Browse the sunrise and sunset times for Colebrook in September 2025. Select a month to view Colebrook sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:08 | 18:22 |
Monday, 15th September 2025 | 05:25 | 17:56 |
Tuesday, 30th September 2025 | 05:43 | 17:28 |
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