Click on a day for an hourly weather forecast
The temperatures in Alberta in September are quite cold with temperatures between 7°C and 19°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Alberta 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.
Please note that Alberta can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Alberta in September 2025.
If you’re planning to visit Alberta in the near future, we highly recommend that you review the 14 day weather forecast for Alberta before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -11° | 4 | 13 | 15 | 21 mm | Awful | Alberta in January |
| February | -4° / -12° | 3 | 8 | 17 | 24 mm | Awful | Alberta in February |
| March | 2° / -6° | 4 | 12 | 15 | 31 mm | Awful | Alberta in March |
| April | 8° / -1° | 5 | 13 | 13 | 57 mm | Bad | Alberta in April |
| May | 15° / 5° | 7 | 21 | 3 | 80 mm | Bad | Alberta in May |
| June | 20° / 9° | 11 | 19 | 0 | 128 mm | Ok | Alberta in June |
| July | 23° / 11° | 8 | 23 | 0 | 93 mm | Good | Alberta in July |
| August | 23° / 10° | 5 | 26 | 0 | 66 mm | Perfect | Alberta in August |
| September | 19° / 7° | 3 | 25 | 2 | 38 mm | Ok | Alberta in September |
| October | 10° / 1° | 3 | 21 | 7 | 28 mm | Bad | Alberta in October |
| November | 1° / -6° | 2 | 15 | 12 | 23 mm | Awful | Alberta in November |
| December | -5° / -11° | 3 | 13 | 15 | 28 mm | Awful | Alberta in December |
For a more accurate weather forecast please select a city