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Spokane weather in September 2025
Expect 23°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Spokane in September. Check more long-term weather averages for Spokane in September before you book your next holiday to Washington State in 2025/2026.
- 2323°C max day temperature
- 9 hours of sunshine per day
- 66 days with some rainfall
- 88°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 2121 mm of monthly rainfall
- 55 (Moderate) UV index
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The September weather guide for Washington State (Spokane) 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)
More about the USA
How hot is it in Spokane in September?
Daytime temperatures usually reach 23°C in Spokane in September, falling to 8°C at night.
How sunny is it in Spokane in September?
There are normally 9 hours of bright sunshine each day in Spokane in September - that's 69% of daylight hours.
Does it rain in Spokane in September?
There are usually 6 days with some rain in Spokane in September and the average monthly rainfall is 21mm.
Spokane September sunrise & sunset times
Browse the sunrise and sunset times for Spokane in September 2025. Select a month to view Spokane sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:09 | 18:29 |
Monday, 15th September 2025 | 05:27 | 18:01 |
Tuesday, 30th September 2025 | 05:48 | 17:30 |
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