Huntsville (AL)
September
Weather in Huntsville, Alabama for September 2026
Your guide to Huntsville weather in September - trends and predictions
Until now, September 2026 in Huntsville has been significantly warmer than historical averages.
Expect cooler weather in the next days in Huntsville with the forecast suggesting a temperature of 28.5 °F, lower than the historical average.
In general, the average temperature in Huntsville at the beginning of September is 30.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.6 °F by the end of September.
The climate of Huntsville in September is notably wet, with an average of 15 rainy days, and a total of 226.1 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
28°/18°
Temperatures
14 km/h
Avg max wind
69 %
Avg humidity
Huntsville Weather September
Move between months or click on a day
Temperatures trend during September in Huntsville
See the weather trend as well as the moving average line
September weather in Huntsville day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 29° /19° | 0.1 mm | 7 | |
| Sept. 2 |  Cloudy | 31° /19° | 0.2 mm | 8 | |
| Sept. 3 |  Sunny | 31° /19° | 28.7 mm | 7 | |
| Sept. 4 |  Partly cloudy | 33° /20° | 2.4 mm | 7 | |
| Sept. 5 | Cloudy | 32° /21° | 2.9 mm | 8 | |
| Sept. 6 |  Fog | 30° /18° | 1.4 mm | 5 | |
| Sept. 7 | Overcast | 29° /16° | 0.1 mm | 6 | |
| Sept. 8 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 9 |  Thundery outbreaks possible | 29° /17° | 0.1 mm | 7 | |
| Sept. 10 | Mist | 30° /16° | 0 mm | 7 | |
| Sept. 11 | Overcast | 33° /23° | 2.4 mm | 8.1 | |
| Sept. 12 |  Light rain shower | 30° /21° | 12.7 mm | 8 | |
| Sept. 13 | Sunny | 33° /21° | 1.1 mm | 8.2 | |
| Sept. 14 | Sunny | 34° /23° | 0.2 mm | 8.1 | |
| Sept. 15 | Sunny | 35° /24° | 0 mm | 8 | |
| Sept. 16 | Sunny | 33° /24° | 0 mm | 8 | |
| Sept. 17 | Sunny | 32° /23° | 12.8 mm | 8 | |
| Sept. 18 | Patchy rain possible | 29° /21° | 0.8 mm | 7 | |
| Sept. 19 | Patchy rain possible | 27° /20° | 4.9 mm | 6 | |
| Sept. 20 | Light rain shower | 22° /18° | 7.1 mm | 5 | |
| Sept. 21 | Overcast | 19° /17° | 5.2 mm | 4 | |
| Sept. 22 | Patchy rain possible | 23° /17° | 4.7 mm | 5 | |
| Sept. 23 | Patchy rain possible | 21° /18° | 1 mm | 6 | |
| Sept. 24 | Overcast | 30° /18° | 2.2 mm | 7 | |
| Sept. 25 | Cloudy | 27° /19° | 13.8 mm | 6 | |
| Sept. 26 | Fog | 24° /17° | 24.2 mm | 6 | |
| Sept. 27 | Patchy rain possible | 25° /17° | 89.8 mm | 5 | |
| Sept. 28 | Partly cloudy | 25° /15° | 10.8 mm | 6 | |
| Sept. 29 | Partly cloudy | 27° /17° | 0.3 mm | 7 | |
| Sept. 30 | Partly cloudy | 28° /18° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Huntsville 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 Huntsville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Huntsville in September - FAQ
What are the expected maximum and minimum temperatures in Huntsville during September?
During September, expect a variety of temperatures with highs around 28° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Huntsville during September?
Significant rainfall exceeding 226.1 mm is expected in Huntsville during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Huntsville during September?
The average wind speed in Huntsville during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Huntsville
Explore the daily rainfall trends and prepare for Huntsvilles September weather 💧
Typically, Huntsville has 15 rainy days in September with a total of 226.1 mm of rainfall.
UV exposure in Huntsville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Huntsville weather pages
You are here
Where is Huntsville?Get accurate weather forecasts for Huntsville, located at latitude 34.73 and longitude -86.586. Stay updated with localized weather information tailored for Huntsville.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.