Stonington Weather in September

What's the weather like in Stonington (Maine) in September 2024?

The climate in Stonington during September can be summarized as mild and damp.

September is in the fall / autumn in Stonington and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (50°F) is normal.

Stonington weather averages (imperial / metric)
Daytime temperature 20.6°C 69°F
Nightly temperature 10°C 49.9°F
Average temperature 15.3°C 59.5°F
Daily sunshine 7.1 hrs
Avg rainfall 101 mm 4 ins
Rainy days 10 days
Sea temperature 13.3°C 55.9°F
Humidity 79%
Windspeed 13kph 8 mph

On average September is the 6th driest month of the year in Stonington with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 hours of sunshine per day.

September temperatures in Stonington

Stonington average temperature in September

September rainfall

Stonington average rain in September

September hourly sunshine

Stonington 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 Stonington 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

Stonington weather stats

Stonington weather statistics
Hottest month: July 25.5°C 77.9°F
Driest month: August 76mm 3ins
Sunniest month: August 8.2hrs
Coldest month: January -1.4°C 29.5°F
Wettest month: November 135mm 5.3ins
Map showing location of Stonington (44.15619, -68.66669) Stonington map pin © Google

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