Deadhorse weather in September 2025

Expect 5°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Deadhorse in September. Check more long-term weather averages for Deadhorse in September before you book your next holiday to Alaska in 2025/2026.

  • 5°C maximum daytime temperature in September in Deadhorse5
    5°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in September in Deadhorse9
    9 days with some rainfall
  • -2°C minimum night-time temperature in September in Deadhorse-2
    -2°C min night temperature
  • 13 hours of daylight per day in September in Deadhorse13
    13 hours of daylight per day
  • No heat & humidity in September in Deadhorse0
    No heat & humidity
  • 19 mm monthly rainfall in September in Deadhorse19
    19 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Deadhorse1
    1 (Low) UV index
  • 1°C sea temperature in September in Deadhorse1
    1°C sea temperature

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The September weather guide for Alaska (Deadhorse) 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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More about the USA

How cold is it in Deadhorse in September?

Daytime temperatures usually reach 5°C in Deadhorse in September, falling to -2°C at night.

How sunny is it in Deadhorse in September?

There are normally 5 hours of bright sunshine each day in Deadhorse in September - that's 34% of daylight hours.

Is the sea cold around Deadhorse in September?

The average sea temperature around Deadhorse in September is 1°C.

Does it rain in Deadhorse in September?

There are usually 9 days with some rain in Deadhorse in September and the average monthly rainfall is 19mm. Rain may fall as snow in this month.

Deadhorse September sunrise & sunset times

Browse the sunrise and sunset times for Deadhorse in September 2025. Select a month to view Deadhorse sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:10 20:34
Monday, 15th September 2025 06:08 19:27
Tuesday, 30th September 2025 07:08 18:17

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