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.
|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|
|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.
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.
|Hottest month:||July||25.2°C 77.4°F|
|Driest month:||June||65mm 2.6ins|
|Coldest month:||January||2.4°C 36.3°F|
|Wettest month:||November||119mm 4.7ins|