Click on a day for an hourly weather forecast
The temperatures in Manitoba in September are usually low and can range between 10°C and 20°C.
You can expect about 3 to 8 days of rain in Manitoba 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 Manitoba in September 2025.
If you’re planning to visit Manitoba in the near future, we highly recommend that you review the 14 day weather forecast for Manitoba before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -12° / -19° | 2 | 10 | 20 | 28 mm | Awful | Manitoba in January |
| February | -11° / -19° | 1 | 9 | 17 | 23 mm | Awful | Manitoba in February |
| March | -2° / -9° | 4 | 12 | 15 | 39 mm | Awful | Manitoba in March |
| April | 7° / -1° | 4 | 16 | 10 | 58 mm | Bad | Manitoba in April |
| May | 17° / 7° | 7 | 22 | 1 | 116 mm | Ok | Manitoba in May |
| June | 22° / 13° | 8 | 22 | 0 | 144 mm | Ok | Manitoba in June |
| July | 26° / 15° | 5 | 26 | 0 | 96 mm | Perfect | Manitoba in July |
| August | 26° / 14° | 5 | 26 | 0 | 88 mm | Perfect | Manitoba in August |
| September | 20° / 10° | 4 | 26 | 0 | 75 mm | Good | Manitoba in September |
| October | 10° / 4° | 5 | 21 | 6 | 60 mm | Bad | Manitoba in October |
| November | 0° / -6° | 2 | 14 | 14 | 31 mm | Awful | Manitoba in November |
| December | -10° / -15° | 2 | 12 | 18 | 28 mm | Awful | Manitoba in December |