The climate in Edgartown during September can be summarized as mild and a little damp.
September is in the fall / autumn in Edgartown and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 14°C (57°F) is normal.
|Daytime temperature||21.8°C 71.2°F|
|Nightly temperature||13.9°C 56.9°F|
|Average temperature||17.8°C 64°F|
|Daily sunshine||8.2 hrs|
|Avg rainfall||88 mm 3.5 ins|
|Rainy days||8 days|
|Sea temperature||18.4°C 65.2°F|
|Windspeed||15.5kph 10 mph|
On average September is the 4th driest month of the year in Edgartown with around 88mm 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.
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 Edgartown in September 2022.
|Hottest month:||July||25.5°C 77.9°F|
|Driest month:||June||68mm 2.7ins|
|Coldest month:||January||2.7°C 36.9°F|
|Wettest month:||December||117mm 4.6ins|