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Coeur d'Alene weather in September 2025
Expect daytime maximum temperatures of 23°C in Coeur d'Alene, Idaho in September based on long-term weather averages. There are 9 hours of sunshine per day on average.
- 23°C max day temperature
23 - 9 hours of sunshine per day
- 7 days with some rainfall
7 - 6°C min night temperature
6 - 13 hours of daylight per day
13 - No heat & humidity
0 - 32 mm of monthly rainfall
32 - 5 (Moderate) UV index
5
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Recommended for Idaho
The September weather guide for Idaho (Coeur d'Alene) 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 Coeur d'Alene in September?
Daytime temperatures usually reach 23°C in Coeur d'Alene in September, falling to 6°C at night.
How sunny is it in Coeur d'Alene in September?
There are normally 9 hours of bright sunshine each day in Coeur d'Alene in September - that's 68% of daylight hours.
Does it rain in Coeur d'Alene in September?
There are usually 7 days with some rain in Coeur d'Alene in September and the average monthly rainfall is 32mm.
Coeur d'Alene September sunrise & sunset times
Browse the sunrise and sunset times for Coeur d'Alene in September 2025. Select a month to view Coeur d'Alene sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:06 | 18:27 |
| Monday, 15th September 2025 | 05:25 | 17:58 |
| Tuesday, 30th September 2025 | 05:45 | 17:28 |
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