Click on a day for an hourly weather forecast
The temperatures in Quebec in September are comfortable with low of 12°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Quebec 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 Quebec in September 2025.
If you’re planning to visit Quebec in the near future, we highly recommend that you review the 14 day weather forecast for Quebec before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -6° / -13° | 4 | 5 | 21 | 122 mm | Awful | Quebec in January |
| February | -5° / -12° | 5 | 3 | 21 | 128 mm | Awful | Quebec in February |
| March | 1° / -6° | 8 | 8 | 16 | 120 mm | Awful | Quebec in March |
| April | 10° / 2° | 10 | 15 | 6 | 159 mm | Awful | Quebec in April |
| May | 19° / 9° | 10 | 21 | 0 | 172 mm | Ok | Quebec in May |
| June | 23° / 13° | 8 | 22 | 0 | 183 mm | Good | Quebec in June |
| July | 26° / 16° | 8 | 23 | 0 | 157 mm | Good | Quebec in July |
| August | 25° / 16° | 7 | 24 | 0 | 157 mm | Good | Quebec in August |
| September | 21° / 12° | 6 | 24 | 0 | 127 mm | Good | Quebec in September |
| October | 13° / 6° | 9 | 21 | 1 | 167 mm | Bad | Quebec in October |
| November | 5° / 0° | 8 | 15 | 7 | 113 mm | Awful | Quebec in November |
| December | -2° / -7° | 7 | 8 | 16 | 139 mm | Awful | Quebec in December |
For a more accurate weather forecast please select a city