Rock Hall Weather in September

What's the weather like in Rock Hall (Maryland) in September 2025?

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

September is in the fall / autumn in Rock Hall and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 15°C (59°F) is normal.

Rock Hall weather averages (imperial / metric)
Daytime temperature 26.4°C 79.4°F
Nightly temperature 15.1°C 59.1°F
Average temperature 20.7°C 69.3°F
Daily sunshine 8.1 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 8 days
Sea temperature 21.1°C 70°F
Humidity 72%
Windspeed 13kph 8 mph

On average September is the 6th driest month of the year in Rock Hall with around 91mm 3.6 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 8.1 hours of sunshine per day.

September temperatures in Rock Hall

Rock Hall average temperature in September

September rainfall

Rock Hall average rain in September

September hourly sunshine

Rock Hall 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 Rock Hall in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Rock Hall weather stats

Rock Hall weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: October 77mm 3ins
Sunniest month: July 10hrs
Coldest month: January 4.7°C 40.5°F
Wettest month: August 106mm 4.2ins
Map showing location of Rock Hall (39.13817, -76.23495) Rock Hall map pin © Google

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