Click on a day for an hourly weather forecast
The temperatures in Danville in September are comfortable with low of 17°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Danville 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 Danville in September 2025.
If you’re planning to visit Danville in the near future, we highly recommend that you review the 14 day weather forecast for Danville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / -1° | 6 | 21 | 4 | 132 mm | Bad | Danville in January |
| February | 10° / 1° | 7 | 17 | 4 | 140 mm | Awful | Danville in February |
| March | 15° / 5° | 8 | 21 | 2 | 126 mm | Bad | Danville in March |
| April | 21° / 9° | 7 | 23 | 0 | 122 mm | Ok | Danville in April |
| May | 26° / 14° | 8 | 24 | 0 | 149 mm | Good | Danville in May |
| June | 30° / 18° | 5 | 25 | 0 | 104 mm | Good | Danville in June |
| July | 33° / 20° | 6 | 25 | 0 | 120 mm | Good | Danville in July |
| August | 32° / 19° | 6 | 25 | 0 | 113 mm | Good | Danville in August |
| September | 28° / 17° | 5 | 25 | 0 | 121 mm | Perfect | Danville in September |
| October | 22° / 11° | 4 | 27 | 0 | 98 mm | Good | Danville in October |
| November | 14° / 5° | 5 | 25 | 0 | 116 mm | Good | Danville in November |
| December | 10° / 2° | 6 | 23 | 2 | 130 mm | Bad | Danville in December |