Greenville Weather in September

What's the weather like in Greenville (North Carolina) in September 2025?

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

September is in the fall / autumn in Greenville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 16°C (60°F) is normal.

Greenville weather averages (imperial / metric)
Daytime temperature 28.5°C 83.2°F
Nightly temperature 15.8°C 60.4°F
Average temperature 22.1°C 71.8°F
Daily sunshine 8.2 hrs
Avg rainfall 112 mm 4.4 ins
Rainy days 8 days
Sea temperature 25.9°C 78.6°F
Humidity 78%
Windspeed 13.7kph 9 mph

On average September is the 4th wettest month of the year in Greenville with around 112mm 4.4 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 8.2 hours of sunshine per day.

September temperatures in Greenville

Greenville average temperature in September

September rainfall

Greenville average rain in September

September hourly sunshine

Greenville 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 Greenville 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

Greenville weather stats

Greenville weather statistics
Hottest month: July 31.6°C 88.9°F
Driest month: November 73mm 2.9ins
Sunniest month: April 9.4hrs
Coldest month: January 10.5°C 50.9°F
Wettest month: August 144mm 5.7ins
Map showing location of Greenville (35.61266, -77.36635) Greenville map pin © Google

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