Falmouth Weather in September

What's the weather like in Falmouth (Saint Paul) in September 2021?

The climate in Falmouth during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Falmouth and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 25°C (76°F) is normal.

Falmouth weather averages (imperial / metric)
Daytime temperature 30.7°C 87.2°F
Nightly temperature 24.6°C 76.2°F
Average temperature 27.6°C 81.7°F
Daily sunshine 7.9 hrs
Avg rainfall 140 mm 5.5 ins
Rainy days 16 days
Sea temperature 28.8°C 83.9°F
Humidity 80%
Windspeed 18.4kph 11 mph

On average September is the wettest month of the year in Falmouth with around 140mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Falmouth

Falmouth average temperature in September

September rainfall

Falmouth average rain in September

September hourly sunshine

Falmouth 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 Falmouth in September 2021.

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Falmouth weather stats

Falmouth weather statistics
Hottest month: July 30.8°C 87.4°F
Driest month: February 37mm 1.5ins
Sunniest month: January 8hrs
Coldest month: January 28°C 82.4°F
Wettest month: September 140mm 5.5ins
Map showing location of Falmouth (17.02741, -61.78136)

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