Click on a day for an hourly weather forecast
The temperatures in Riviere Du Loup in September are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Riviere Du Loup 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 Riviere Du Loup in September 2025.
If you’re planning to visit Riviere Du Loup in the near future, we highly recommend that you review the 14 day weather forecast for Riviere Du Loup before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -9° / -15° | 5 | 5 | 22 | 89 mm | Awful | Riviere Du Loup in January |
| February | -8° / -14° | 6 | 3 | 21 | 85 mm | Awful | Riviere Du Loup in February |
| March | -3° / -9° | 9 | 4 | 20 | 108 mm | Awful | Riviere Du Loup in March |
| April | 3° / -2° | 10 | 8 | 12 | 139 mm | Awful | Riviere Du Loup in April |
| May | 12° / 5° | 9 | 22 | 1 | 116 mm | Bad | Riviere Du Loup in May |
| June | 17° / 10° | 7 | 23 | 0 | 116 mm | Ok | Riviere Du Loup in June |
| July | 21° / 13° | 6 | 25 | 0 | 115 mm | Good | Riviere Du Loup in July |
| August | 20° / 13° | 6 | 25 | 0 | 110 mm | Good | Riviere Du Loup in August |
| September | 16° / 9° | 6 | 24 | 0 | 121 mm | Good | Riviere Du Loup in September |
| October | 9° / 4° | 9 | 20 | 2 | 151 mm | Awful | Riviere Du Loup in October |
| November | 2° / -2° | 7 | 12 | 11 | 101 mm | Awful | Riviere Du Loup in November |
| December | -5° / -9° | 6 | 7 | 19 | 116 mm | Awful | Riviere Du Loup in December |