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Dutch Harbor weather in September 2025
Expect 11°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Dutch Harbor in September. Check more long-term weather averages for Dutch Harbor in September before you book your next holiday to Alaska in 2025/2026.
- 1111°C max day temperature
- 6 hours of sunshine per day
- 2121 days with some rainfall
- 66°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 100100 mm of monthly rainfall
- 33 (Moderate) UV index
- 99°C sea temperature
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Dutch Harbor by month
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Recommended for Alaska
The September weather guide for Alaska (Dutch Harbor) 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 warm is it in Dutch Harbor in September?
Daytime temperatures usually reach 11°C in Dutch Harbor in September, falling to 6°C at night.
How sunny is it in Dutch Harbor in September?
There are normally 6 hours of bright sunshine each day in Dutch Harbor in September - that's 51% of daylight hours.
Is the sea cold around Dutch Harbor in September?
The average sea temperature around Dutch Harbor in September is 9°C.
Does it rain in Dutch Harbor in September?
There are usually 21 days with some rain in Dutch Harbor in September and the average monthly rainfall is 100mm.
Dutch Harbor September sunrise & sunset times
Browse the sunrise and sunset times for Dutch Harbor in September 2025. Select a month to view Dutch Harbor sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 07:16 | 20:55 |
Monday, 15th September 2025 | 07:40 | 20:21 |
Tuesday, 30th September 2025 | 08:07 | 19:44 |
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