Birmingham Weather in September

What's the weather like in Birmingham (Alabama) in September 2025?

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

September is in the fall / autumn in Birmingham and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 16°C (61°F) is normal.

Birmingham weather averages (imperial / metric)
Daytime temperature 28.8°C 83.8°F
Nightly temperature 16.3°C 61.3°F
Average temperature 22.5°C 72.5°F
Daily sunshine 7.9 hrs
Avg rainfall 103 mm 4.1 ins
Rainy days 8 days
Sea temperature 26.1°C 79.1°F
Humidity 74%
Windspeed 10.4kph 7 mph

On average September is the 4th driest month of the year in Birmingham with around 103mm 4.1 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 7.9 hours of sunshine per day.

September temperatures in Birmingham

Birmingham average temperature in September

September rainfall

Birmingham average rain in September

September hourly sunshine

Birmingham 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 Birmingham 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

Birmingham weather stats

Birmingham weather statistics
Hottest month: July 31.8°C 89.2°F
Driest month: October 71mm 2.8ins
Sunniest month: October 8hrs
Coldest month: January 10.5°C 50.9°F
Wettest month: March 153mm 6ins
Map showing location of Birmingham (33.52066, -86.80249) Birmingham map pin © Google

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