Dover Weather in September

What's the weather like in Dover (Delaware) in September 2024?

The climate in Dover during September can be summarized as warm, humid and damp.

September is in the fall / autumn in Dover and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 14°C (58°F) is normal.

Dover weather averages (imperial / metric)
Daytime temperature 26.6°C 79.8°F
Nightly temperature 14.3°C 57.7°F
Average temperature 20.4°C 68.7°F
Daily sunshine 8.1 hrs
Avg rainfall 102 mm 4 ins
Rainy days 8 days
Sea temperature 21.3°C 70.3°F
Humidity 74%
Windspeed 13.3kph 8 mph

On average September is the 3rd wettest month of the year in Dover with around 102mm 4 inches of rain making it a 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 8.1 hours of sunshine per day.

September temperatures in Dover

Dover average temperature in September

September rainfall

Dover average rain in September

September hourly sunshine

Dover 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 Dover in September 2024.