Anacortes weather in September 2025

Expect 66°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Anacortes in September. Check more long-term weather averages for Anacortes in September before you book your next holiday to Washington State in 2025/2026.

  • 66°F maximum daytime temperature in September in Anacortes66
    66°F max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Anacortes9
    9 days with some rainfall
  • 48°F minimum night-time temperature in September in Anacortes48
    48°F min night temperature
  • 13 hours of daylight per day in September in Anacortes13
    13 hours of daylight per day
  • No heat & humidity in September in Anacortes0
    No heat & humidity
  • 1.7 inches monthly rainfall in September in Anacortes1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Anacortes5
    5 (Moderate) UV index
  • 54°F sea temperature in September in Anacortes54
    54°F sea temperature

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The September weather guide for Washington State (Anacortes) 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 hot is it in Anacortes in September?

Daytime temperatures usually reach 66°F in Anacortes in September, falling to 48°F at night.

How sunny is it in Anacortes in September?

There are normally 7 hours of bright sunshine each day in Anacortes in September - that's 53% of daylight hours.

How warm is the sea around Anacortes in September?

The average sea temperature around Anacortes in September is 54°F.

Does it rain in Anacortes in September?

There are usually 9 days with some rain in Anacortes in September and the average monthly rainfall is 1.7 inches.

Anacortes September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:28 18:51
Monday, 15th September 2025 05:48 18:22
Tuesday, 30th September 2025 06:09 17:51

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