Click on a day for an hourly weather forecast
The temperatures in Medicine Hat in September are comfortable with low of 11°C and and high up to 21°C.
The wather in Medicine Hat 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 Medicine Hat in September 2025.
If you’re planning to visit Medicine Hat in the near future, we highly recommend that you review the 14 day weather forecast for Medicine Hat before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -10° | 3 | 14 | 14 | 29 mm | Awful | Medicine Hat in January |
| February | -4° / -11° | 3 | 12 | 14 | 27 mm | Awful | Medicine Hat in February |
| March | 4° / -4° | 4 | 15 | 11 | 32 mm | Awful | Medicine Hat in March |
| April | 11° / 2° | 4 | 19 | 7 | 55 mm | Bad | Medicine Hat in April |
| May | 17° / 8° | 6 | 24 | 1 | 72 mm | Good | Medicine Hat in May |
| June | 22° / 12° | 7 | 23 | 0 | 95 mm | Ok | Medicine Hat in June |
| July | 27° / 15° | 3 | 28 | 0 | 58 mm | Perfect | Medicine Hat in July |
| August | 26° / 15° | 3 | 28 | 0 | 42 mm | Perfect | Medicine Hat in August |
| September | 21° / 11° | 2 | 27 | 0 | 34 mm | Good | Medicine Hat in September |
| October | 12° / 4° | 3 | 23 | 5 | 43 mm | Bad | Medicine Hat in October |
| November | 3° / -4° | 3 | 17 | 10 | 38 mm | Awful | Medicine Hat in November |
| December | -4° / -10° | 2 | 14 | 15 | 30 mm | Awful | Medicine Hat in December |