Osterville Weather in September

What's the weather like in Osterville (Massachusetts) in September 2022?

The climate in Osterville during September can be summarized as mild and a little damp.

September is in the fall / autumn in Osterville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 13°C (56°F) is normal.

Osterville weather averages (imperial / metric)
Daytime temperature 21.4°C 70.4°F
Nightly temperature 13.3°C 55.9°F
Average temperature 17.3°C 63.1°F
Daily sunshine 8.2 hrs
Avg rainfall 89 mm 3.5 ins
Rainy days 8 days
Sea temperature 18.4°C 65.2°F
Humidity 75%
Windspeed 15.5kph 10 mph

On average September is the 4th driest month of the year in Osterville with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

September temperatures in Osterville

Osterville average temperature in September

September rainfall

Osterville average rain in September

September hourly sunshine

Osterville 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 Osterville in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Osterville weather stats

Osterville weather statistics
Hottest month: July 25.2°C 77.4°F
Driest month: June 65mm 2.6ins
Sunniest month: October 7.4hrs
Coldest month: January 2.4°C 36.3°F
Wettest month: November 119mm 4.7ins
Map showing location of Osterville (41.62844, -70.38697)

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