Click on a day for an hourly weather forecast
The temperatures in Gaspe in September are usually low and can range between 10°C and 16°C.
You can expect about 3 to 8 days of rain in Gaspe 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 Gaspe in September 2025.
If you’re planning to visit Gaspe in the near future, we highly recommend that you review the 14 day weather forecast for Gaspe before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -6° / -12° | 5 | 4 | 22 | 108 mm | Awful | Gaspe in January |
| February | -6° / -13° | 3 | 5 | 20 | 91 mm | Awful | Gaspe in February |
| March | -3° / -8° | 7 | 4 | 21 | 115 mm | Awful | Gaspe in March |
| April | 3° / -2° | 10 | 7 | 13 | 140 mm | Awful | Gaspe in April |
| May | 10° / 3° | 8 | 22 | 1 | 127 mm | Bad | Gaspe in May |
| June | 16° / 9° | 7 | 23 | 0 | 132 mm | Ok | Gaspe in June |
| July | 20° / 13° | 8 | 23 | 0 | 142 mm | Ok | Gaspe in July |
| August | 21° / 14° | 7 | 24 | 0 | 121 mm | Ok | Gaspe in August |
| September | 16° / 10° | 7 | 23 | 0 | 121 mm | Ok | Gaspe in September |
| October | 10° / 5° | 8 | 20 | 2 | 134 mm | Awful | Gaspe in October |
| November | 3° / -1° | 7 | 13 | 10 | 132 mm | Awful | Gaspe in November |
| December | -2° / -7° | 6 | 7 | 18 | 133 mm | Awful | Gaspe in December |