Spokane Valley Weather in September

Spokane Valley in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 8°C (46°F). Low rainfall is typical, with around 19 mm (0.7 in) for the month.

Rainfall in Spokane Valley in September

Climate statistics over the past 30 years suggest around 7 days of rain, with 19 mm (0.7 in) average for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Spokane Valley in September

Spokane Valley in September has excellent weather. Days reach 24°C (75°F) and nights cool to 8°C (46°F). Experience the summer season in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Spokane Valley in September

The city usually sees around 272 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If your ideal day consists of dry skies and pleasant temperatures, May, June and September typically offer the best circumstances for Spokane Valley.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Spokane Valley's climate page.

Spokane Valley Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 23%  

Precipitation 19 mm (0.7 in)  

Rainy days 7 days  

Humidity 54% *  

Sunshine 272 hours *  

Percentage Sunshine 72% *  

* Data from: Spokane, the United States of America (14 KM, 8 Miles).

What to Wear in Spokane Valley in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Spokane Valley in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Spokane Valley's climate page.

More climate data for Spokane Valley

Temperature Rainfall Sunshine Humidity

See the full Spokane Valley climate overview or explore weather in the United States of America.