Click on a day for an hourly weather forecast
The temperatures in Leavenworth in September are comfortable with low of 16°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Leavenworth 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 Leavenworth in September 2025.
If you’re planning to visit Leavenworth in the near future, we highly recommend that you review the 14 day weather forecast for Leavenworth before you arrive.
Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
---|---|---|---|---|---|---|---|
January | 3° / -5° | 4 | 24 | 3 | 36 mm | Awful | Leavenworth in January |
February | 5° / -4° | 6 | 19 | 3 | 46 mm | Awful | Leavenworth in February |
March | 13° / 3° | 7 | 23 | 1 | 103 mm | Bad | Leavenworth in March |
April | 18° / 7° | 8 | 22 | 0 | 126 mm | Ok | Leavenworth in April |
May | 23° / 13° | 10 | 21 | 0 | 182 mm | Good | Leavenworth in May |
June | 29° / 19° | 8 | 22 | 0 | 133 mm | Ok | Leavenworth in June |
July | 31° / 21° | 8 | 23 | 0 | 120 mm | Ok | Leavenworth in July |
August | 30° / 20° | 8 | 23 | 0 | 129 mm | Ok | Leavenworth in August |
September | 27° / 16° | 7 | 24 | 0 | 85 mm | Good | Leavenworth in September |
October | 19° / 9° | 6 | 25 | 0 | 94 mm | Good | Leavenworth in October |
November | 12° / 3° | 4 | 25 | 1 | 64 mm | Ok | Leavenworth in November |
December | 6° / -3° | 4 | 25 | 2 | 47 mm | Awful | Leavenworth in December |