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 maximum daytime temperature in September in Coeur d'Alene23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Coeur d'Alene7
    7 days with some rainfall
  • 6°C minimum night-time temperature in September in Coeur d'Alene6
    6°C min night temperature
  • 13 hours of daylight per day in September in Coeur d'Alene13
    13 hours of daylight per day
  • No heat & humidity in September in Coeur d'Alene0
    No heat & humidity
  • 32 mm monthly rainfall in September in Coeur d'Alene32
    32 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Coeur d'Alene5
    5 (Moderate) UV index

More about Coeur d'Alene

Coeur d'Alene by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

Travelsphere: up to £800 off tours per a couple

  • Save up to £800 on tours with Travelsphere
  • Book breaks to Italy, Japan, the USA & more
  • Travel before 31st December 2027 (inclusive)
Go to Travelsphere deal >>

Expires at 23:59 on Monday 31st Mar 2025 · View all Travelsphere offers

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)

Back to top

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^