Bethel weather in September 2026

Expect daytime maximum temperatures of 11°C in Bethel, Alaska in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 56 mm of rainfall in the month.

  • 11°C maximum daytime temperature in September in Bethel11
    11°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in September in Bethel16
    16 days with some rainfall
  • 4°C minimum night-time temperature in September in Bethel4
    4°C min night temperature
  • 13 hours of daylight per day in September in Bethel13
    13 hours of daylight per day
  • No heat & humidity in September in Bethel0
    No heat & humidity
  • 56 mm monthly rainfall in September in Bethel56
    56 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in September in Bethel2
    2 (Low) UV index

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The September weather guide for Alaska (Bethel) 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)

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How warm is it in Bethel in September?

Daytime temperatures usually reach 13°C in Bethel in September, falling to 5°C at night.

How sunny is it in Bethel in September?

There are normally 5 hours of bright sunshine each day in Bethel in September - that's 41% of daylight hours.

How warm is the sea around Bethel in September?

The average sea temperature around Bethel in September is 12°C.

Does it rain in Bethel in September?

There are usually 14 days with some rain in Bethel in September and the average monthly rainfall is 68mm.

Bethel September sunrise & sunset times

Browse the sunrise and sunset times for Bethel in September 2026. Select a month to view Bethel sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:41 20:51
Tuesday, 15th September 2026 07:15 20:08
Wednesday, 30th September 2026 07:52 19:21

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