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Ketchikan weather in September 2025
Expect 14°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ketchikan in September. Check more long-term weather averages for Ketchikan in September before you book your next holiday to Alaska in 2025/2026.
- 1414°C max day temperature
- 3 hours of sunshine per day
- 1818 days with some rainfall
- 77°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 279279 mm of monthly rainfall
- 33 (Moderate) UV index
- 1212°C sea temperature
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Recommended for Alaska
The September weather guide for Alaska (Ketchikan) 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 Ketchikan in September?
Daytime temperatures usually reach 14°C in Ketchikan in September, falling to 7°C at night.
How sunny is it in Ketchikan in September?
There are normally 3 hours of bright sunshine each day in Ketchikan in September - that's 27% of daylight hours.
How warm is the sea around Ketchikan in September?
The average sea temperature around Ketchikan in September is 12°C.
Does it rain in Ketchikan in September?
There are usually 18 days with some rain in Ketchikan in September and the average monthly rainfall is 279mm.
Ketchikan September sunrise & sunset times
Browse the sunrise and sunset times for Ketchikan in September 2025. Select a month to view Ketchikan sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 04:53 | 18:38 |
Monday, 15th September 2025 | 05:20 | 18:02 |
Tuesday, 30th September 2025 | 05:48 | 17:23 |
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