Click on a day for an hourly weather forecast
The temperatures in Edmonton in September are quite cold with temperatures between 7°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Edmonton 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 Edmonton can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Edmonton in September 2025.
If you’re planning to visit Edmonton in the near future, we highly recommend that you review the 14 day weather forecast for Edmonton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -14° | 2 | 12 | 16 | 26 mm | Awful | Edmonton in January |
| February | -7° / -15° | 2 | 9 | 17 | 21 mm | Awful | Edmonton in February |
| March | -2° / -8° | 4 | 9 | 18 | 31 mm | Awful | Edmonton in March |
| April | 7° / -1° | 4 | 14 | 12 | 55 mm | Bad | Edmonton in April |
| May | 16° / 6° | 6 | 23 | 2 | 91 mm | Ok | Edmonton in May |
| June | 20° / 10° | 10 | 20 | 0 | 141 mm | Ok | Edmonton in June |
| July | 23° / 12° | 9 | 22 | 0 | 127 mm | Good | Edmonton in July |
| August | 23° / 11° | 5 | 26 | 0 | 69 mm | Perfect | Edmonton in August |
| September | 17° / 7° | 3 | 25 | 1 | 49 mm | Good | Edmonton in September |
| October | 9° / 1° | 4 | 21 | 6 | 32 mm | Bad | Edmonton in October |
| November | -1° / -7° | 4 | 12 | 14 | 29 mm | Awful | Edmonton in November |
| December | -8° / -13° | 2 | 14 | 16 | 22 mm | Awful | Edmonton in December |