The weather in League City in September is very hot. The average temperatures are between 24°C and 30°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in League City. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in League City in September 2025.
If you’re planning to visit League City in the near future, we highly recommend that you review the 14 day weather forecast for League City before you arrive.
Temperatures
30° / 24°
Rainy Days
14
Snowy Days
0
Dry Days
16
Rainfall
181
mm
Sun Hours
5.9
Hrs