Calcasieu Parish (Lake Charles)
September
Weather in Calcasieu Parish, Louisiana for September 2025
Your guide to Calcasieu Parish weather in September - trends and predictions
In general, the average temperature in Calcasieu Parish at the beginning of September is 28.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 31 °F by the end of September.
Calcasieu Parish in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 233.4 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
13
Dry days
17
Rainy days
0
Snow days
30°/22°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Calcasieu Parish Weather September
Move between months or click on a day
Temperatures trend during September in Calcasieu Parish
See the weather trend as well as the moving average line
September weather in Calcasieu Parish day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 28° /22° | 15.6 mm | 6 | |
| Sept. 2 |  Patchy rain possible | 32° /21° | 0.3 mm | 7 | |
| Sept. 3 |  Cloudy | 32° /24° | 0 mm | 7 | |
| Sept. 4 | Moderate or heavy rain shower | 27° /23° | 19 mm | 6 | |
| Sept. 5 | Moderate or heavy rain shower | 25° /23° | 25 mm | 6 | |
| Sept. 6 | Moderate or heavy rain shower | 26° /22° | 14.5 mm | 6 | |
| Sept. 7 |  Partly cloudy | 28° /20° | 0 mm | 7 | |
| Sept. 8 | Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 9 |  Sunny | 29° /17° | 0 mm | 7 | |
| Sept. 10 | Moderate rain at times | 28° /21° | 25.7 mm | 6 | |
| Sept. 11 | Moderate or heavy rain shower | 23° /22° | 122.2 mm | 5 | |
| Sept. 12 | Patchy rain possible | 27° /20° | 0.6 mm | 6 | |
| Sept. 13 | Sunny | 30° /19° | 0 mm | 8 | |
| Sept. 14 | Patchy rain possible | 32° /22° | 0.6 mm | 7 | |
| Sept. 15 | Patchy rain possible | 30° /22° | 0.2 mm | 7 | |
| Sept. 16 | Patchy rain possible | 31° /22° | 0.7 mm | 7 | |
| Sept. 17 | Patchy rain possible | 31° /23° | 0.1 mm | 7 | |
| Sept. 18 | Moderate rain at times | 31° /23° | 1.1 mm | 7 | |
| Sept. 19 |  Overcast | 31° /24° | 0 mm | 7 | |
| Sept. 20 | Moderate rain at times | 31° /24° | 1.2 mm | 7 | |
| Sept. 21 | Moderate rain at times | 31° /24° | 1.5 mm | 7 | |
| Sept. 22 | Patchy rain possible | 31° /22° | 0.5 mm | 7 | |
| Sept. 23 | Patchy rain possible | 31° /21° | 0.6 mm | 7 | |
| Sept. 24 | Moderate rain at times | 30° /24° | 0.9 mm | 7 | |
| Sept. 25 | Moderate or heavy rain shower | 31° /24° | 3.1 mm | 7 | |
| Sept. 26 | Cloudy | 30° /21° | 0 mm | 7 | |
| Sept. 27 | Sunny | 29° /18° | 0 mm | 7 | |
| Sept. 28 | Sunny | 32° /19° | 0 mm | 8 | |
| Sept. 29 | Sunny | 32° /19° | 0 mm | 8 | |
| Sept. 30 | Sunny | 33° /20° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Calcasieu Parish 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 Calcasieu Parish forecast closer to your planned date for the most up-to-date weather information.
Change Month
Calcasieu Parish in September - FAQ
What are the expected maximum and minimum temperatures in Calcasieu Parish 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 Calcasieu Parish during September?
Significant rainfall exceeding 233.4 mm is expected in Calcasieu Parish during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Calcasieu Parish during September?
The average wind speed in Calcasieu Parish during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Calcasieu Parish
Explore the daily rainfall trends and prepare for Calcasieu Parishs September weather 💧
UV exposure in Calcasieu Parish during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Calcasieu Parish
Select a location for an accurate weather forecast
More Locations Quick links
More Calcasieu Parish weather pages
You are here
Where is Calcasieu Parish?Get accurate weather forecasts for Calcasieu Parish, located at latitude 30.213 and longitude -93.204. Stay updated with localized weather information tailored for Calcasieu Parish.
Found a mistake?
We appreciate your attention to details. Tell us here.