Clarksville Weather in September

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

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

September is in the fall / autumn in Clarksville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 17°C (63°F) is normal.

Clarksville weather averages (imperial / metric)
Daytime temperature 30.3°C 86.5°F
Nightly temperature 17.1°C 62.8°F
Average temperature 23.7°C 74.7°F
Daily sunshine 8.7 hrs
Avg rainfall 100 mm 3.9 ins
Rainy days 8 days
Sea temperature 24.4°C 75.9°F
Humidity 71%
Windspeed 13kph 8 mph

On average September is the 6th wettest month of the year in Clarksville with around 100mm 3.9 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 8.7 hours of sunshine per day.

September temperatures in Clarksville

Clarksville average temperature in September

September rainfall

Clarksville average rain in September

September hourly sunshine

Clarksville 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 Clarksville 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

Clarksville weather stats

Clarksville weather statistics
Hottest month: July 33.8°C 92.8°F
Driest month: August 57mm 2.2ins
Sunniest month: July 11.3hrs
Coldest month: January 11°C 51.8°F
Wettest month: May 141mm 5.6ins
Map showing location of Clarksville (33.61066, -95.05272) Clarksville map pin © Google

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