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Bangor weather in September 2025
Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Bangor in September. Check more long-term weather averages for Bangor in September before you book your next holiday to Maine in 2025/2026.
- 2020°C max day temperature
- 6 hours of sunshine per day
- 1010 days with some rainfall
- 99°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 9090 mm of monthly rainfall
- 55 (Moderate) UV index
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Recommended for Maine
The September weather guide for Maine (Bangor) 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 Bangor in September?
Daytime temperatures usually reach 20°C in Bangor in September, falling to 9°C at night.
How sunny is it in Bangor in September?
There are normally 6 hours of bright sunshine each day in Bangor in September - that's 50% of daylight hours.
Does it rain in Bangor in September?
There are usually 10 days with some rain in Bangor in September and the average monthly rainfall is 90mm.
What is the chance of a hurricane in Bangor in September?
On average less than 1 day in September in Bangor is likely to be affected by the passage of one or more tropical storms.
Bangor September sunrise & sunset times
Browse the sunrise and sunset times for Bangor in September 2025. Select a month to view Bangor sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 04:58 | 18:11 |
Monday, 15th September 2025 | 05:14 | 17:45 |
Tuesday, 30th September 2025 | 05:32 | 17:17 |
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