Tacoma weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Tacoma in September. Check more long-term weather averages for Tacoma in September before you book your next holiday to Washington State in 2025/2026.

  • 21°C maximum daytime temperature in September in Tacoma21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Tacoma9
    9 days with some rainfall
  • 9°C minimum night-time temperature in September in Tacoma9
    9°C 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
  • 48 mm monthly rainfall in September in Tacoma48
    48 mm 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Tacoma in September?

Daytime temperatures usually reach 21°C in Tacoma in September, falling to 9°C 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 48mm.

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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