Click on a day for an hourly weather forecast
The temperatures in Goslar in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in Goslar 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 Goslar in September 2026.
If you’re planning to visit Goslar in the near future, we highly recommend that you review the 14 day weather forecast for Goslar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -2° | 8 | 8 | 15 | 90 mm | Awful | Goslar in January |
| February | 4° / -1° | 8 | 9 | 12 | 65 mm | Awful | Goslar in February |
| March | 8° / 1° | 8 | 16 | 7 | 65 mm | Awful | Goslar in March |
| April | 14° / 4° | 6 | 21 | 3 | 49 mm | Ok | Goslar in April |
| May | 17° / 7° | 7 | 24 | 0 | 95 mm | Ok | Goslar in May |
| June | 21° / 11° | 7 | 23 | 0 | 112 mm | Ok | Goslar in June |
| July | 23° / 13° | 7 | 24 | 0 | 117 mm | Good | Goslar in July |
| August | 23° / 14° | 5 | 26 | 0 | 88 mm | Perfect | Goslar in August |
| September | 19° / 11° | 4 | 26 | 0 | 60 mm | Good | Goslar in September |
| October | 13° / 7° | 6 | 25 | 0 | 63 mm | Ok | Goslar in October |
| November | 8° / 4° | 7 | 20 | 3 | 58 mm | Awful | Goslar in November |
| December | 4° / 0° | 8 | 13 | 10 | 81 mm | Awful | Goslar in December |