Click on a day for an hourly weather forecast
The temperatures in Heiligenhafen in September are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Heiligenhafen 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 Heiligenhafen in September 2026.
If you’re planning to visit Heiligenhafen in the near future, we highly recommend that you review the 14 day weather forecast for Heiligenhafen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 7 | 16 | 8 | 68 mm | Awful | Heiligenhafen in January |
| February | 4° / 0° | 7 | 12 | 10 | 60 mm | Awful | Heiligenhafen in February |
| March | 7° / 2° | 5 | 22 | 3 | 44 mm | Bad | Heiligenhafen in March |
| April | 11° / 5° | 4 | 24 | 2 | 42 mm | Bad | Heiligenhafen in April |
| May | 15° / 8° | 6 | 25 | 0 | 78 mm | Good | Heiligenhafen in May |
| June | 19° / 12° | 5 | 25 | 0 | 84 mm | Good | Heiligenhafen in June |
| July | 21° / 14° | 6 | 25 | 0 | 100 mm | Good | Heiligenhafen in July |
| August | 22° / 15° | 5 | 26 | 0 | 87 mm | Good | Heiligenhafen in August |
| September | 18° / 12° | 5 | 25 | 0 | 67 mm | Good | Heiligenhafen in September |
| October | 13° / 8° | 6 | 25 | 0 | 72 mm | Ok | Heiligenhafen in October |
| November | 8° / 5° | 7 | 21 | 2 | 70 mm | Awful | Heiligenhafen in November |
| December | 4° / 1° | 7 | 18 | 6 | 71 mm | Awful | Heiligenhafen in December |