Click on a day for an hourly weather forecast
The temperatures in Bend in September are quite cold with temperatures between 9°C and 21°C, warm clothes are a must.
The wather in Bend 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 Bend in September 2025.
If you’re planning to visit Bend in the near future, we highly recommend that you review the 14 day weather forecast for Bend before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 8 | 12 | 12 | 77 mm | Awful | Bend in January |
| February | 3° / -3° | 7 | 10 | 13 | 76 mm | Awful | Bend in February |
| March | 5° / -1° | 9 | 10 | 13 | 80 mm | Awful | Bend in March |
| April | 9° / 1° | 7 | 16 | 7 | 64 mm | Awful | Bend in April |
| May | 14° / 5° | 7 | 22 | 3 | 72 mm | Bad | Bend in May |
| June | 19° / 9° | 5 | 25 | 0 | 63 mm | Good | Bend in June |
| July | 25° / 12° | 2 | 29 | 0 | 22 mm | Perfect | Bend in July |
| August | 25° / 13° | 2 | 29 | 0 | 28 mm | Perfect | Bend in August |
| September | 21° / 9° | 2 | 28 | 0 | 38 mm | Good | Bend in September |
| October | 13° / 4° | 4 | 25 | 2 | 53 mm | Bad | Bend in October |
| November | 5° / -1° | 5 | 17 | 8 | 58 mm | Awful | Bend in November |
| December | 1° / -4° | 8 | 10 | 14 | 73 mm | Awful | Bend in December |