Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 7° | 6 | 25 | 0 | 147 mm | Good | Lake Charles in January |
| February | 17° / 9° | 7 | 21 | 0 | 129 mm | Ok | Lake Charles in February |
| March | 22° / 13° | 7 | 25 | 0 | 132 mm | Ok | Lake Charles in March |
| April | 25° / 16° | 6 | 24 | 0 | 133 mm | Perfect | Lake Charles in April |
| May | 30° / 20° | 7 | 24 | 0 | 144 mm | Ok | Lake Charles in May |
| June | 32° / 23° | 10 | 20 | 0 | 181 mm | Ok | Lake Charles in June |
| July | 33° / 24° | 13 | 18 | 0 | 206 mm | Ok | Lake Charles in July |
| August | 33° / 24° | 14 | 17 | 0 | 268 mm | Ok | Lake Charles in August |
| September | 31° / 22° | 10 | 20 | 0 | 180 mm | Ok | Lake Charles in September |
| October | 27° / 17° | 6 | 25 | 0 | 171 mm | Perfect | Lake Charles in October |
| November | 21° / 12° | 5 | 25 | 0 | 112 mm | Good | Lake Charles in November |
| December | 17° / 9° | 7 | 24 | 0 | 159 mm | Ok | Lake Charles in December |