Bainbridge Island Weather in September

What's the weather like in Bainbridge Island (Washington) in September 2024?

The climate in Bainbridge Island during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Bainbridge Island and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (51°F) is normal.

Bainbridge Island weather averages (imperial / metric)
Daytime temperature 20.7°C 69.3°F
Nightly temperature 10.3°C 50.5°F
Average temperature 15.5°C 59.9°F
Daily sunshine 7.8 hrs
Avg rainfall 51 mm 2 ins
Rainy days 9 days
Sea temperature 12.8°C 55.1°F
Humidity 76%
Windspeed 11.2kph 7 mph

On average September is the 5th driest month of the year in Bainbridge Island with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

September temperatures in Bainbridge Island

Bainbridge Island average temperature in September

September rainfall

Bainbridge Island average rain in September

September hourly sunshine

Bainbridge Island 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 Bainbridge Island 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

Bainbridge Island weather stats

Bainbridge Island weather statistics
Hottest month: August 23.4°C 74.1°F
Driest month: July 21mm 0.8ins
Sunniest month: July 10.8hrs
Coldest month: January 7.3°C 45.1°F
Wettest month: December 193mm 7.6ins
Map showing location of Bainbridge Island (47.62621, -122.52124) Bainbridge Island map pin © Google

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