Jefferson County (Beaumont)
September
Weather in Jefferson County for September 2025
Your guide to Jefferson County weather in September - trends and predictions
In general, the average temperature in Jefferson County at the beginning of September is 28.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 31.7 °F by the end of September.
Jefferson County in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 150.4 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
14
Dry days
16
Rainy days
0
Snow days
31°/22°
Temperatures
14 km/h
Avg max wind
74 %
Avg humidity
Jefferson County Weather September
Move between months or click on a day
Temperatures trend during September in Jefferson County
See the weather trend as well as the moving average line
September weather in Jefferson County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 28° /23° | 17.8 mm | 6 | |
| Sept. 2 | Moderate or heavy rain shower | 32° /22° | 9.5 mm | 7 | |
| Sept. 3 |  Overcast | 33° /23° | 0 mm | 7 | |
| Sept. 4 | Moderate or heavy rain shower | 27° /23° | 18.8 mm | 6 | |
| Sept. 5 | Moderate or heavy rain shower | 26° /23° | 18.9 mm | 6 | |
| Sept. 6 | Moderate or heavy rain shower | 27° /22° | 13 mm | 6 | |
| Sept. 7 |  Sunny | 29° /20° | 0 mm | 7 | |
| Sept. 8 |  Partly cloudy | 29° /19° | 0 mm | 7 | |
| Sept. 9 | Sunny | 30° /17° | 0 mm | 8 | |
| Sept. 10 |  Patchy rain possible | 29° /20° | 5.2 mm | 6 | |
| Sept. 11 | Moderate or heavy rain shower | 25° /22° | 53.9 mm | 6 | |
| Sept. 12 | Patchy rain possible | 27° /20° | 0.7 mm | 6 | |
| Sept. 13 | Sunny | 31° /19° | 0 mm | 8 | |
| Sept. 14 | Moderate rain at times | 33° /22° | 0.7 mm | 7 | |
| Sept. 15 | Patchy rain possible | 32° /22° | 2 mm | 7 | |
| Sept. 16 | Patchy rain possible | 33° /22° | 0.6 mm | 7 | |
| Sept. 17 | Patchy rain possible | 32° /23° | 0.2 mm | 7 | |
| Sept. 18 | Patchy rain possible | 32° /24° | 0.3 mm | 7 | |
| Sept. 19 | Overcast | 33° /24° | 0 mm | 7 | |
| Sept. 20 | Patchy rain possible | 33° /24° | 0.1 mm | 7 | |
| Sept. 21 | Patchy rain possible | 32° /24° | 0.3 mm | 7 | |
| Sept. 22 | Patchy rain possible | 31° /23° | 0.2 mm | 7 | |
| Sept. 23 | Patchy rain possible | 30° /24° | 0.5 mm | 7 | |
| Sept. 24 | Patchy rain possible | 31° /24° | 0.5 mm | 7 | |
| Sept. 25 | Moderate or heavy rain shower | 31° /24° | 7.2 mm | 7 | |
| Sept. 26 | Partly cloudy | 31° /21° | 0 mm | 8 | |
| Sept. 27 | Sunny | 31° /18° | 0 mm | 8 | |
| Sept. 28 | Sunny | 33° /19° | 0 mm | 8 | |
| Sept. 29 |  Cloudy | 33° /18° | 0 mm | 7 | |
| Sept. 30 | Cloudy | 32° /21° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Jefferson County 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Jefferson County in September - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during September?
During September, expect a variety of temperatures with highs around 31° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jefferson County during September?
Significant rainfall exceeding 150.4 mm is expected in Jefferson County during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jefferson County during September?
The average wind speed in Jefferson County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys September weather 💧
UV exposure in Jefferson County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Jefferson County
Select a location for an accurate weather forecast
More Locations Quick links
More Jefferson County weather pages
You are here
Where is Jefferson County?Get accurate weather forecasts for Jefferson County, located at latitude 30.086 and longitude -94.102. Stay updated with localized weather information tailored for Jefferson County.
Found a mistake?
We appreciate your attention to details. Tell us here.