Spokane Valley Weather in September

What's the weather like in Spokane Valley (Washington) in September 2024?

The climate in Spokane Valley during September can be summarized as mild and dry.

September is in the fall / autumn in Spokane Valley and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 7°C (45°F) is normal.

Spokane Valley weather averages (imperial / metric)
Daytime temperature 22.7°C 72.8°F
Nightly temperature 7.2°C 44.9°F
Average temperature 14.9°C 58.8°F
Daily sunshine 9.5 hrs
Avg rainfall 24 mm 1 ins
Rainy days 6 days
Sea temperature 12.8°C 55.1°F
Humidity 56%
Windspeed 12.6kph 8 mph

On average September is the 2nd driest month of the year in Spokane Valley with around 24mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.5 hours of sunshine per day.

September temperatures in Spokane Valley

Spokane Valley average temperature in September

September rainfall

Spokane Valley average rain in September

September hourly sunshine

Spokane Valley average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Spokane Valley in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Spokane Valley weather stats

Spokane Valley weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: July 20mm 0.8ins
Sunniest month: July 13.2hrs
Coldest month: January 0.7°C 33.3°F
Wettest month: December 76mm 3ins
Map showing location of Spokane Valley (47.67323, -117.23937) Spokane Valley map pin © Google

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