Click on a day for an hourly weather forecast
The temperatures in Herrenberg 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 Herrenberg 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 Herrenberg in September 2026.
If you’re planning to visit Herrenberg in the near future, we highly recommend that you review the 14 day weather forecast for Herrenberg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 8 | 10 | 13 | 109 mm | Awful | Herrenberg in January |
| February | 3° / -3° | 8 | 11 | 11 | 88 mm | Awful | Herrenberg in February |
| March | 8° / 1° | 7 | 18 | 6 | 80 mm | Awful | Herrenberg in March |
| April | 13° / 4° | 6 | 22 | 2 | 79 mm | Bad | Herrenberg in April |
| May | 16° / 7° | 10 | 21 | 0 | 149 mm | Ok | Herrenberg in May |
| June | 20° / 11° | 8 | 22 | 0 | 142 mm | Ok | Herrenberg in June |
| July | 22° / 13° | 7 | 24 | 0 | 144 mm | Ok | Herrenberg in July |
| August | 23° / 13° | 6 | 25 | 0 | 98 mm | Perfect | Herrenberg in August |
| September | 18° / 9° | 4 | 26 | 0 | 66 mm | Good | Herrenberg in September |
| October | 13° / 6° | 6 | 25 | 0 | 83 mm | Ok | Herrenberg in October |
| November | 8° / 3° | 6 | 21 | 3 | 91 mm | Bad | Herrenberg in November |
| December | 4° / -1° | 10 | 13 | 9 | 121 mm | Awful | Herrenberg in December |