Click on a day for an hourly weather forecast
The temperatures in Rostock 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 Rostock 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 Rostock in September 2025.
If you’re planning to visit Rostock in the near future, we highly recommend that you review the 14 day weather forecast for Rostock before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 9 | 11 | 11 | 79 mm | Awful | Rostock in January |
| February | 4° / -1° | 8 | 10 | 11 | 61 mm | Awful | Rostock in February |
| March | 7° / 1° | 6 | 21 | 4 | 57 mm | Bad | Rostock in March |
| April | 12° / 4° | 4 | 24 | 2 | 43 mm | Bad | Rostock in April |
| May | 16° / 8° | 5 | 26 | 0 | 82 mm | Good | Rostock in May |
| June | 20° / 12° | 5 | 25 | 0 | 88 mm | Good | Rostock in June |
| July | 22° / 14° | 7 | 24 | 0 | 120 mm | Ok | Rostock in July |
| August | 22° / 15° | 5 | 26 | 0 | 104 mm | Good | Rostock in August |
| September | 18° / 12° | 4 | 26 | 0 | 70 mm | Good | Rostock in September |
| October | 13° / 8° | 7 | 24 | 0 | 79 mm | Bad | Rostock in October |
| November | 8° / 5° | 7 | 21 | 2 | 72 mm | Awful | Rostock in November |
| December | 4° / 1° | 9 | 14 | 8 | 81 mm | Awful | Rostock in December |