Click on a day for an hourly weather forecast
The temperatures in Deggendorf in September are usually low and can range between 10°C and 19°C.
You can expect about 3 to 8 days of rain in Deggendorf 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 Deggendorf in September 2026.
If you’re planning to visit Deggendorf in the near future, we highly recommend that you review the 14 day weather forecast for Deggendorf before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -3° | 9 | 7 | 15 | 119 mm | Awful | Deggendorf in January |
| February | 3° / -3° | 8 | 10 | 11 | 88 mm | Awful | Deggendorf in February |
| March | 9° / 1° | 8 | 17 | 6 | 89 mm | Awful | Deggendorf in March |
| April | 14° / 4° | 6 | 22 | 2 | 69 mm | Ok | Deggendorf in April |
| May | 17° / 8° | 10 | 21 | 0 | 157 mm | Ok | Deggendorf in May |
| June | 22° / 12° | 9 | 21 | 0 | 163 mm | Ok | Deggendorf in June |
| July | 23° / 13° | 8 | 23 | 0 | 150 mm | Good | Deggendorf in July |
| August | 23° / 13° | 7 | 24 | 0 | 134 mm | Good | Deggendorf in August |
| September | 19° / 10° | 5 | 25 | 0 | 89 mm | Good | Deggendorf in September |
| October | 13° / 5° | 7 | 23 | 1 | 89 mm | Bad | Deggendorf in October |
| November | 8° / 2° | 7 | 19 | 4 | 79 mm | Awful | Deggendorf in November |
| December | 3° / -1° | 11 | 10 | 11 | 113 mm | Awful | Deggendorf in December |