Click on a day for an hourly weather forecast
The temperatures in Rottweil in September are quite cold with temperatures between 9°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Rottweil 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 Rottweil in September 2026.
If you’re planning to visit Rottweil in the near future, we highly recommend that you review the 14 day weather forecast for Rottweil before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -4° | 7 | 5 | 20 | 109 mm | Awful | Rottweil in January |
| February | 4° / -3° | 5 | 7 | 17 | 81 mm | Awful | Rottweil in February |
| March | 8° / 0° | 6 | 13 | 12 | 75 mm | Bad | Rottweil in March |
| April | 13° / 3° | 7 | 17 | 6 | 88 mm | Awful | Rottweil in April |
| May | 16° / 6° | 12 | 17 | 1 | 170 mm | Ok | Rottweil in May |
| June | 21° / 11° | 12 | 19 | 0 | 188 mm | Ok | Rottweil in June |
| July | 23° / 12° | 11 | 20 | 0 | 201 mm | Good | Rottweil in July |
| August | 23° / 12° | 10 | 21 | 0 | 173 mm | Good | Rottweil in August |
| September | 18° / 9° | 6 | 24 | 0 | 91 mm | Good | Rottweil in September |
| October | 13° / 5° | 6 | 21 | 3 | 87 mm | Bad | Rottweil in October |
| November | 7° / 1° | 7 | 14 | 10 | 101 mm | Awful | Rottweil in November |
| December | 3° / -2° | 7 | 9 | 16 | 120 mm | Awful | Rottweil in December |