Sylvania Weather in September

What's the weather like in Sylvania (Georgia) in September 2025?

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

September is in the fall / autumn in Sylvania and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 18°C (64°F) is normal.

Sylvania weather averages (imperial / metric)
Daytime temperature 30.3°C 86.5°F
Nightly temperature 17.9°C 64.2°F
Average temperature 24.1°C 75.4°F
Daily sunshine 7.8 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 8 days
Sea temperature 27.4°C 81.3°F
Humidity 77%
Windspeed 10.8kph 7 mph

On average September is the 5th driest month of the year in Sylvania 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 7.8 hours of sunshine per day.

September temperatures in Sylvania

Sylvania average temperature in September

September rainfall

Sylvania average rain in September

September hourly sunshine

Sylvania 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 Sylvania 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

Sylvania weather stats

Sylvania weather statistics
Hottest month: July 33°C 91.4°F
Driest month: November 61mm 2.4ins
Sunniest month: April 9.3hrs
Coldest month: January 14.6°C 58.3°F
Wettest month: August 140mm 5.5ins
Map showing location of Sylvania (32.75044, -81.63678) Sylvania map pin © Google

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