Annapolis Weather in September

What's the weather like in Annapolis (Maryland) in September 2024?

The climate in Annapolis during September can be summarized as warm, humid and a little damp.

September is in the fall / autumn in Annapolis and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 15°C (59°F) is normal.

Annapolis weather averages (imperial / metric)
Daytime temperature 26.4°C 79.5°F
Nightly temperature 15°C 59°F
Average temperature 20.7°C 69.3°F
Daily sunshine 8.1 hrs
Avg rainfall 93 mm 3.6 ins
Rainy days 7 days
Sea temperature 21.7°C 71.1°F
Humidity 72%
Windspeed 13kph 8 mph

On average September is the 5th wettest month of the year in Annapolis with around 93mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 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 Annapolis

Annapolis average temperature in September

September rainfall

Annapolis average rain in September

September hourly sunshine

Annapolis 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 Annapolis in September 2024.