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Yakima weather in September 2025
Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Yakima in September. Check more long-term weather averages for Yakima in September before you book your next holiday to Washington State in 2025/2026.
- 2424°C max day temperature
- 8 hours of sunshine per day
- 44 days with some rainfall
- 77°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 1010 mm of monthly rainfall
- 55 (Moderate) UV index
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Recommended for Washington State
The September weather guide for Washington State (Yakima) 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 Yakima in September?
Daytime temperatures usually reach 24°C in Yakima in September, falling to 7°C at night.
How sunny is it in Yakima in September?
There are normally 8 hours of bright sunshine each day in Yakima in September - that's 64% of daylight hours.
Does it rain in Yakima in September?
There are usually 4 days with some rain in Yakima in September and the average monthly rainfall is 10mm.
Yakima September sunrise & sunset times
Browse the sunrise and sunset times for Yakima in September 2025. Select a month to view Yakima sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:23 | 18:40 |
Monday, 15th September 2025 | 05:40 | 18:13 |
Tuesday, 30th September 2025 | 06:00 | 17:43 |
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