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The Dalles weather in September 2025
Expect 75°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in The Dalles in September. Check more long-term weather averages for The Dalles in September before you book your next holiday to Oregon in 2025/2026.
- 7575°F max day temperature
- 9 hours of sunshine per day
- 55 days with some rainfall
- 4343°F min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 0.70.7 inches of monthly rainfall
- 55 (Moderate) UV index
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The Dalles by month
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Recommended for Oregon
Expires at 23:59 on Wednesday 4th Dec 2024 · View all Radisson Hotels offers
The September weather guide for Oregon (The Dalles) 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)
More about the USA
How hot is it in The Dalles in September?
Daytime temperatures usually reach 75°F in The Dalles in September, falling to 43°F at night.
How sunny is it in The Dalles in September?
There are normally 9 hours of bright sunshine each day in The Dalles in September - that's 68% of daylight hours.
Does it rain in The Dalles in September?
There are usually 5 days with some rain in The Dalles in September and the average monthly rainfall is 0.7 inches.
The Dalles September sunrise & sunset times
Browse the sunrise and sunset times for The Dalles in September 2025. Select a month to view The Dalles sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:26 | 18:42 |
Monday, 15th September 2025 | 05:44 | 18:15 |
Tuesday, 30th September 2025 | 06:02 | 17:46 |
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