Click on a day for an hourly weather forecast
The temperatures in Huntsville in September are comfortable with low of 17°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Huntsville during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Huntsville in September 2025.
If you’re planning to visit Huntsville in the near future, we highly recommend that you review the 14 day weather forecast for Huntsville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 1° | 8 | 21 | 3 | 173 mm | Awful | Huntsville in January |
| February | 11° / 3° | 9 | 16 | 3 | 189 mm | Awful | Huntsville in February |
| March | 16° / 7° | 9 | 21 | 1 | 184 mm | Ok | Huntsville in March |
| April | 21° / 10° | 8 | 22 | 0 | 200 mm | Ok | Huntsville in April |
| May | 25° / 15° | 9 | 22 | 0 | 172 mm | Good | Huntsville in May |
| June | 29° / 19° | 10 | 20 | 0 | 163 mm | Ok | Huntsville in June |
| July | 31° / 21° | 10 | 21 | 0 | 197 mm | Ok | Huntsville in July |
| August | 30° / 20° | 9 | 22 | 0 | 177 mm | Ok | Huntsville in August |
| September | 27° / 17° | 6 | 24 | 0 | 167 mm | Perfect | Huntsville in September |
| October | 22° / 11° | 6 | 25 | 0 | 134 mm | Good | Huntsville in October |
| November | 15° / 6° | 5 | 24 | 1 | 122 mm | Good | Huntsville in November |
| December | 11° / 4° | 8 | 21 | 2 | 196 mm | Awful | Huntsville in December |