Tacoma weather in September 2025

Expect daytime maximum temperatures of 70°F in Tacoma, Washington State in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

  • 70°F maximum daytime temperature in September in Tacoma70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Tacoma9
    9 days with some rainfall
  • 48°F minimum night-time temperature in September in Tacoma48
    48°F min night temperature
  • 13 hours of daylight per day in September in Tacoma13
    13 hours of daylight per day
  • No heat & humidity in September in Tacoma0
    No heat & humidity
  • 1.9 inches monthly rainfall in September in Tacoma1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Tacoma5
    5 (Moderate) UV index

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

Daytime temperatures usually reach 70°F in Tacoma in September, falling to 48°F at night.

How sunny is it in Tacoma in September?

There are normally 7 hours of bright sunshine each day in Tacoma in September - that's 58% of daylight hours.

Does it rain in Tacoma in September?

There are usually 9 days with some rain in Tacoma in September and the average monthly rainfall is 1.9 inches.

Tacoma September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:29 18:49
Monday, 15th September 2025 05:48 18:21
Tuesday, 30th September 2025 06:08 17:50

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