Click on a day for an hourly weather forecast
The temperatures in Granville in September are comfortable with low of 12°C and and high up to 22°C.
The wather in Granville in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Granville in September 2025.
If you’re planning to visit Granville in the near future, we highly recommend that you review the 14 day weather forecast for Granville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 19° | 4 | 27 | 0 | 105 mm | Good | Granville in January |
| February | 28° / 19° | 5 | 23 | 0 | 129 mm | Perfect | Granville in February |
| March | 26° / 18° | 4 | 27 | 0 | 133 mm | Perfect | Granville in March |
| April | 23° / 15° | 3 | 27 | 0 | 83 mm | Perfect | Granville in April |
| May | 20° / 12° | 3 | 29 | 0 | 50 mm | Good | Granville in May |
| June | 17° / 10° | 4 | 26 | 0 | 97 mm | Good | Granville in June |
| July | 17° / 9° | 2 | 29 | 0 | 40 mm | Good | Granville in July |
| August | 19° / 9° | 2 | 29 | 0 | 58 mm | Good | Granville in August |
| September | 22° / 12° | 2 | 28 | 0 | 55 mm | Good | Granville in September |
| October | 24° / 13° | 4 | 27 | 0 | 92 mm | Perfect | Granville in October |
| November | 26° / 16° | 5 | 25 | 0 | 105 mm | Perfect | Granville in November |
| December | 28° / 17° | 5 | 26 | 0 | 81 mm | Perfect | Granville in December |