Barrow weather in September 2025

Expect daytime maximum temperatures of 1°C in Barrow, Alaska in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall, which might fall as snow.

  • 1°C maximum daytime temperature in September in Barrow1
    1°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in September in Barrow12
    12 days with some rainfall
  • -3°C minimum night-time temperature in September in Barrow-3
    -3°C min night temperature
  • 13 hours of daylight per day in September in Barrow13
    13 hours of daylight per day
  • No heat & humidity in September in Barrow0
    No heat & humidity
  • 16 mm monthly rainfall in September in Barrow16
    16 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Barrow1
    1 (Low) UV index
  • 1°C sea temperature in September in Barrow1
    1°C sea temperature

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The September weather guide for Alaska (Barrow) 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 Barrow in September?

Daytime temperatures usually reach 1°C in Barrow in September, falling to -3°C at night.

How sunny is it in Barrow in September?

There are normally 4 hours of bright sunshine each day in Barrow in September - that's 30% of daylight hours.

Is the sea cold around Barrow in September?

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

Does it rain in Barrow in September?

There are usually 12 days with some rain in Barrow in September and the average monthly rainfall is 16mm. Rain may fall as snow in this month.

Barrow September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:37 21:14
Monday, 15th September 2025 06:39 20:03
Tuesday, 30th September 2025 07:43 18:49

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