Lake Charles (LA)
September
Weather in Lake Charles, Louisiana for September 2026
Your guide to Lake Charles weather in September - trends and predictions
So far, September 2026 in Lake Charles is slightly warmer than the historical average by 2 °F.
The forecast for the coming days of September 2026 predicts a temperature of 35.2 °F , which is warmer than usual.
In general, the average temperature in Lake Charles at the beginning of September is 30.6 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 33.1 °F by the end of September.
The climate of Lake Charles in September is notably wet, with an average of 12 rainy days, and a total of 174.5 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
30°/22°
Temperatures
15 km/h
Avg max wind
74 %
Avg humidity
Lake Charles Weather September
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Temperatures trend during September in Lake Charles
See the weather trend as well as the moving average line
September weather in Lake Charles day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 28° /23° | 66.5 mm | 5 | |
| Sept. 2 |  Patchy rain possible | 31° /23° | 115.3 mm | 5 | |
| Sept. 3 |  Cloudy | 32° /24° | 69 mm | 5 | |
| Sept. 4 | Moderate or heavy rain shower | 32° /23° | 6.5 mm | 8 | |
| Sept. 5 | Moderate or heavy rain shower | 29° /23° | 8.4 mm | 5 | |
| Sept. 6 | Moderate or heavy rain shower | 31° /22° | 4.8 mm | 8 | |
| Sept. 7 |  Partly cloudy | 31° /22° | 0 mm | 8 | |
| Sept. 8 |  Sunny | 31° /20° | 1.8 mm | 8 | |
| Sept. 9 | Sunny | 31° /19° | 0.6 mm | 7 | |
| Sept. 10 | Moderate rain at times | 32° /21° | 9.4 mm | 7 | |
| Sept. 11 | Moderate or heavy rain shower | 29° /22° | 42.7 mm | 7 | |
| Sept. 12 | Patchy rain possible | 31° /22° | 9.1 mm | 7 | |
| Sept. 13 | Sunny | 32° /21° | 2.3 mm | 8 | |
| Sept. 14 | Sunny | 36° /25° | 0.2 mm | 9.3 | |
| Sept. 15 | Sunny | 35° /24° | 0.1 mm | 9.3 | |
| Sept. 16 |  Overcast | 35° /25° | 0 mm | 9.1 | |
| Sept. 17 | Sunny | 36° /23° | 0 mm | 9 | |
| Sept. 18 | Sunny | 37° /23° | 0 mm | 9 | |
| Sept. 19 | Sunny | 37° /24° | 0 mm | 9 | |
| Sept. 20 | Sunny | 37° /24° | 0 mm | 9 | |
| Sept. 21 | Sunny | 36° /24° | 0 mm | 8 | |
| Sept. 22 | Sunny | 34° /21° | 0 mm | 8 | |
| Sept. 23 | Sunny | 34° /17° | 0 mm | 8 | |
| Sept. 24 | Sunny | 34° /19° | 0 mm | 8 | |
| Sept. 25 | Sunny | 34° /18° | 0 mm | 8 | |
| Sept. 26 | Sunny | 34° /19° | 0 mm | 8 | |
| Sept. 27 | Overcast | 34° /21° | 0 mm | 8 | |
| Sept. 28 | Sunny | 32° /19° | 0 mm | 8 | |
| Sept. 29 | Sunny | 32° /20° | 0 mm | 8 | |
| Sept. 30 | Sunny | 32° /21° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Lake Charles in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lake Charles forecast closer to your planned date for the most up-to-date weather information.
Change Month
Lake Charles in September - FAQ
What are the expected maximum and minimum temperatures in Lake Charles during September?
During September, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lake Charles during September?
Significant rainfall exceeding 174.5 mm is expected in Lake Charles during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lake Charles during September?
The average wind speed in Lake Charles during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Lake Charles
Explore the daily rainfall trends and prepare for Lake Charless September weather 💧
Typically, Lake Charles has 12 rainy days in September with a total of 174.5 mm of rainfall.
UV exposure in Lake Charles during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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