Click on a day for an hourly weather forecast
The temperatures in Roanoke in September are comfortable with low of 14°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Roanoke 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 Roanoke in September 2025.
If you’re planning to visit Roanoke in the near future, we highly recommend that you review the 14 day weather forecast for Roanoke before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -4° | 7 | 18 | 6 | 67 mm | Awful | Roanoke in January |
| February | 8° / -2° | 7 | 15 | 7 | 71 mm | Awful | Roanoke in February |
| March | 12° / 2° | 7 | 21 | 4 | 75 mm | Awful | Roanoke in March |
| April | 18° / 7° | 6 | 23 | 1 | 86 mm | Good | Roanoke in April |
| May | 24° / 11° | 7 | 24 | 0 | 116 mm | Good | Roanoke in May |
| June | 28° / 15° | 5 | 25 | 0 | 80 mm | Perfect | Roanoke in June |
| July | 31° / 17° | 4 | 27 | 0 | 75 mm | Good | Roanoke in July |
| August | 30° / 16° | 4 | 27 | 0 | 80 mm | Good | Roanoke in August |
| September | 26° / 14° | 4 | 26 | 0 | 77 mm | Perfect | Roanoke in September |
| October | 20° / 8° | 3 | 28 | 0 | 68 mm | Good | Roanoke in October |
| November | 13° / 2° | 4 | 25 | 1 | 55 mm | Ok | Roanoke in November |
| December | 8° / 0° | 6 | 22 | 3 | 73 mm | Bad | Roanoke in December |