Click on a day for an hourly weather forecast
The weather in Yukon in September is very cold with temperatures between -1°C and 11°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Yukon 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 Yukon can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Yukon in September 2025.
If you’re planning to visit Yukon in the near future, we highly recommend that you review the 14 day weather forecast for Yukon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -11° / -20° | 5 | 5 | 21 | 41 mm | Awful | Yukon in January |
| February | -8° / -20° | 5 | 7 | 17 | 26 mm | Awful | Yukon in February |
| March | -4° / -17° | 9 | 4 | 22 | 29 mm | Awful | Yukon in March |
| April | 3° / -8° | 8 | 7 | 17 | 28 mm | Awful | Yukon in April |
| May | 13° / 0° | 4 | 24 | 3 | 34 mm | Bad | Yukon in May |
| June | 17° / 3° | 7 | 23 | 0 | 60 mm | Ok | Yukon in June |
| July | 19° / 4° | 7 | 24 | 0 | 67 mm | Ok | Yukon in July |
| August | 17° / 3° | 7 | 24 | 0 | 79 mm | Ok | Yukon in August |
| September | 11° / -1° | 4 | 24 | 2 | 49 mm | Bad | Yukon in September |
| October | 3° / -6° | 7 | 11 | 13 | 44 mm | Awful | Yukon in October |
| November | -7° / -16° | 6 | 3 | 23 | 40 mm | Awful | Yukon in November |
| December | -11° / -20° | 6 | 5 | 21 | 30 mm | Awful | Yukon in December |