Winnsboro Weather in September

What's the weather like in Winnsboro (South Carolina) in September 2025?

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

September is in the fall / autumn in Winnsboro and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 17°C (62°F) is normal.

Winnsboro weather averages (imperial / metric)
Daytime temperature 28.5°C 83.3°F
Nightly temperature 16.5°C 61.7°F
Average temperature 22.5°C 72.5°F
Daily sunshine 8.5 hrs
Avg rainfall 93 mm 3.7 ins
Rainy days 7 days
Sea temperature 25.9°C 78.6°F
Humidity 75%
Windspeed 10.8kph 7 mph

On average September is the 6th driest month of the year in Winnsboro with around 93mm 3.7 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 8.5 hours of sunshine per day.

September temperatures in Winnsboro

Winnsboro average temperature in September

September rainfall

Winnsboro average rain in September

September hourly sunshine

Winnsboro 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 Winnsboro 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

Winnsboro weather stats

Winnsboro weather statistics
Hottest month: July 32°C 89.6°F
Driest month: November 73mm 2.9ins
Sunniest month: April 9.5hrs
Coldest month: January 11.1°C 52°F
Wettest month: March 120mm 4.7ins
Map showing location of Winnsboro (34.3807, -81.08648) Winnsboro map pin © Google

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