Davenport Weather in September

What's the weather like in Davenport (Washington) in September 2025?

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

September is in the fall / autumn in Davenport and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 6°C (43°F) is normal.

Davenport weather averages (imperial / metric)
Daytime temperature 22.5°C 72.5°F
Nightly temperature 6.1°C 43°F
Average temperature 14.3°C 57.7°F
Daily sunshine 9.1 hrs
Avg rainfall 17 mm 0.7 ins
Rainy days 6 days
Sea temperature 12.7°C 54.9°F
Humidity 55%
Windspeed 12.6kph 8 mph

On average September is the 3rd driest month of the year in Davenport with around 17mm 0.7 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 9.1 hours of sunshine per day.

September temperatures in Davenport

Davenport average temperature in September

September rainfall

Davenport average rain in September

September hourly sunshine

Davenport 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 Davenport in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Davenport weather stats

Davenport weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: August 15mm 0.6ins
Sunniest month: July 12.5hrs
Coldest month: January -0.7°C 30.7°F
Wettest month: December 51mm 2ins
Map showing location of Davenport (47.65405, -118.14997) Davenport map pin © Google

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