Sherman Weather in September

What's the weather like in Sherman (Texas) in September 2025?

The climate in Sherman during September can be summarized as hot and wet.

September is in the fall / autumn in Sherman and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (85°F), whilst at night 18°C (65°F) is normal.

Sherman weather averages (imperial / metric)
Daytime temperature 29.6°C 85.3°F
Nightly temperature 18.4°C 65.1°F
Average temperature 24°C 75.2°F
Daily sunshine 8.8 hrs
Avg rainfall 122 mm 4.8 ins
Rainy days 7 days
Sea temperature 24.2°C 75.6°F
Humidity 69%
Windspeed 15.1kph 9 mph

On average September is the 2nd wettest month of the year in Sherman with around 122mm 4.8 inches of rain making it a wet 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 8.8 hours of sunshine per day.

September temperatures in Sherman

Sherman average temperature in September

September rainfall

Sherman average rain in September

September hourly sunshine

Sherman 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 Sherman 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

Sherman weather stats

Sherman weather statistics
Hottest month: July 34.1°C 93.4°F
Driest month: January 49mm 1.9ins
Sunniest month: July 11.5hrs
Coldest month: January 10.6°C 51.1°F
Wettest month: May 134mm 5.3ins
Map showing location of Sherman (33.63566, -96.60888) Sherman map pin © Google

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