Wylie Weather in September

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

The climate in Wylie during September can be summarized as hot and damp.

September is in the fall / autumn in Wylie and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 31°C (87°F), whilst at night 19°C (66°F) is normal.

Wylie weather averages (imperial / metric)
Daytime temperature 30.6°C 87.1°F
Nightly temperature 19°C 66.2°F
Average temperature 24.8°C 76.6°F
Daily sunshine 8.8 hrs
Avg rainfall 101 mm 4 ins
Rainy days 7 days
Sea temperature 24.2°C 75.6°F
Humidity 68%
Windspeed 14.8kph 9 mph

On average September is the 3rd wettest month of the year in Wylie with around 101mm 4 inches of rain making it a 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 8.8 hours of sunshine per day.

September temperatures in Wylie

Wylie average temperature in September

September rainfall

Wylie average rain in September

September hourly sunshine

Wylie 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 Wylie 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

Wylie weather stats

Wylie weather statistics
Hottest month: July 34.6°C 94.3°F
Driest month: January 51mm 2ins
Sunniest month: July 11.4hrs
Coldest month: January 11.4°C 52.5°F
Wettest month: May 135mm 5.3ins
Map showing location of Wylie (33.01512, -96.53888) Wylie map pin © Google

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