The weather in Lake Charles in September is hot. The average temperatures are between 22°C and 31°C.
You can expect rain for roughly half of the month of September in Lake Charles. 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 Lake Charles in September 2025.
If you’re planning to visit Lake Charles in the near future, we highly recommend that you review the 14 day weather forecast for Lake Charles before you arrive.
Temperatures
31° / 22°
Rainy Days
10
Snowy Days
0
Dry Days
20
Rainfall
180
mm
Sun Hours
8.1
Hrs
