Rowlett Weather in September

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

The climate in Rowlett during September can be summarized as hot and a little damp.

September is in the fall / autumn in Rowlett and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 31°C (87°F), whilst at night 19°C (67°F) is normal.

Rowlett weather averages (imperial / metric)
Daytime temperature 30.8°C 87.4°F
Nightly temperature 19.4°C 66.9°F
Average temperature 25.1°C 77.2°F
Daily sunshine 8.7 hrs
Avg rainfall 93 mm 3.6 ins
Rainy days 7 days
Sea temperature 25.5°C 77.9°F
Humidity 68%
Windspeed 14.8kph 9 mph

On average September is the 4th wettest month of the year in Rowlett with around 93mm 3.6 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 8.7 hours of sunshine per day.

September temperatures in Rowlett

Rowlett average temperature in September

September rainfall

Rowlett average rain in September

September hourly sunshine

Rowlett 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 Rowlett 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

Rowlett weather stats

Rowlett weather statistics
Hottest month: July 34.8°C 94.6°F
Driest month: January 51mm 2ins
Sunniest month: July 11.4hrs
Coldest month: January 11.7°C 53.1°F
Wettest month: May 134mm 5.3ins
Map showing location of Rowlett (32.9029, -96.56388) Rowlett map pin © Google

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