Click on a day for an hourly weather forecast
The temperatures in Kempten in September are quite cold with temperatures between 8°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Kempten. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Kempten in September 2026.
If you’re planning to visit Kempten in the near future, we highly recommend that you review the 14 day weather forecast for Kempten before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -5° | 8 | 6 | 17 | 203 mm | Awful | Kempten in January |
| February | 2° / -5° | 7 | 6 | 17 | 145 mm | Awful | Kempten in February |
| March | 7° / -2° | 8 | 11 | 12 | 153 mm | Awful | Kempten in March |
| April | 12° / 2° | 9 | 15 | 6 | 134 mm | Awful | Kempten in April |
| May | 16° / 6° | 16 | 14 | 1 | 295 mm | Ok | Kempten in May |
| June | 20° / 10° | 15 | 15 | 0 | 302 mm | Ok | Kempten in June |
| July | 21° / 11° | 13 | 18 | 0 | 260 mm | Ok | Kempten in July |
| August | 21° / 11° | 12 | 19 | 0 | 275 mm | Ok | Kempten in August |
| September | 18° / 8° | 9 | 21 | 0 | 170 mm | Ok | Kempten in September |
| October | 13° / 4° | 7 | 22 | 2 | 158 mm | Awful | Kempten in October |
| November | 8° / 0° | 6 | 16 | 8 | 127 mm | Bad | Kempten in November |
| December | 3° / -3° | 9 | 8 | 15 | 173 mm | Awful | Kempten in December |