Guntersville Weather in September

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

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

September is in the fall / autumn in Guntersville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 15°C (59°F) is normal.

Guntersville weather averages (imperial / metric)
Daytime temperature 28.6°C 83.5°F
Nightly temperature 14.8°C 58.6°F
Average temperature 21.7°C 71.1°F
Daily sunshine 8 hrs
Avg rainfall 114 mm 4.5 ins
Rainy days 8 days
Sea temperature 25.4°C 77.7°F
Humidity 75%
Windspeed 10.4kph 7 mph

On average September is the 4th driest month of the year in Guntersville with around 114mm 4.5 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 hours of sunshine per day.

September temperatures in Guntersville

Guntersville average temperature in September

September rainfall

Guntersville average rain in September

September hourly sunshine

Guntersville 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 Guntersville 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

Guntersville weather stats

Guntersville weather statistics
Hottest month: July 31.5°C 88.7°F
Driest month: October 79mm 3.1ins
Sunniest month: October 7.8hrs
Coldest month: January 9.2°C 48.6°F
Wettest month: March 168mm 6.6ins
Map showing location of Guntersville (34.35815, -86.2947) Guntersville map pin © Google

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