Click on a day for an hourly weather forecast
The temperatures in Friedrichshafen 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 Friedrichshafen 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 Friedrichshafen in September 2026.
If you’re planning to visit Friedrichshafen in the near future, we highly recommend that you review the 14 day weather forecast for Friedrichshafen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 9 | 8 | 14 | 162 mm | Awful | Friedrichshafen in January |
| February | 4° / -2° | 7 | 8 | 14 | 113 mm | Awful | Friedrichshafen in February |
| March | 9° / 1° | 7 | 15 | 9 | 122 mm | Awful | Friedrichshafen in March |
| April | 14° / 4° | 7 | 19 | 4 | 103 mm | Bad | Friedrichshafen in April |
| May | 17° / 8° | 11 | 19 | 1 | 213 mm | Ok | Friedrichshafen in May |
| June | 21° / 11° | 12 | 18 | 0 | 246 mm | Ok | Friedrichshafen in June |
| July | 23° / 13° | 12 | 19 | 0 | 230 mm | Good | Friedrichshafen in July |
| August | 23° / 13° | 9 | 22 | 0 | 217 mm | Good | Friedrichshafen in August |
| September | 19° / 10° | 6 | 24 | 0 | 134 mm | Good | Friedrichshafen in September |
| October | 15° / 6° | 6 | 23 | 2 | 139 mm | Ok | Friedrichshafen in October |
| November | 9° / 3° | 7 | 16 | 7 | 120 mm | Awful | Friedrichshafen in November |
| December | 5° / -1° | 7 | 11 | 13 | 159 mm | Awful | Friedrichshafen in December |