Deadhorse weather in September 2025

Expect 41°F 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.

  • 41°F maximum daytime temperature in September in Deadhorse41
    41°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in September in Deadhorse9
    9 days with some rainfall
  • 28°F minimum night-time temperature in September in Deadhorse28
    28°F 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
  • 0.7 inches monthly rainfall in September in Deadhorse0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Deadhorse1
    1 (Low) UV index
  • 34°F sea temperature in September in Deadhorse34
    34°F sea temperature

More about Deadhorse

Deadhorse by month

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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)  |  Imperial (°F)

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More about the USA

How cold is it in Deadhorse in September?

Daytime temperatures usually reach 41°F in Deadhorse in September, falling to 28°F 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.

How warm is the sea around Deadhorse in September?

The average sea temperature around Deadhorse in September is 34°F.

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 0.7 inches. 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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