Click on a day for an hourly weather forecast
The temperatures in Elmshorn 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 Elmshorn 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 Elmshorn in September 2026.
If you’re planning to visit Elmshorn in the near future, we highly recommend that you review the 14 day weather forecast for Elmshorn before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 9 | 14 | 9 | 77 mm | Awful | Elmshorn in January |
| February | 4° / 0° | 8 | 12 | 9 | 65 mm | Awful | Elmshorn in February |
| March | 9° / 2° | 6 | 22 | 4 | 61 mm | Bad | Elmshorn in March |
| April | 13° / 4° | 4 | 25 | 1 | 46 mm | Ok | Elmshorn in April |
| May | 16° / 7° | 6 | 25 | 0 | 96 mm | Good | Elmshorn in May |
| June | 20° / 11° | 6 | 24 | 0 | 111 mm | Good | Elmshorn in June |
| July | 22° / 13° | 6 | 25 | 0 | 111 mm | Good | Elmshorn in July |
| August | 22° / 14° | 6 | 25 | 0 | 106 mm | Good | Elmshorn in August |
| September | 19° / 11° | 5 | 25 | 0 | 75 mm | Good | Elmshorn in September |
| October | 13° / 8° | 7 | 24 | 0 | 90 mm | Bad | Elmshorn in October |
| November | 8° / 4° | 7 | 22 | 1 | 80 mm | Bad | Elmshorn in November |
| December | 5° / 1° | 9 | 16 | 6 | 84 mm | Awful | Elmshorn in December |