Click on a day for an hourly weather forecast
The temperatures in Westerland in September are usually low and can range between 14°C and 16°C.
You can expect rain for roughly half of the month of September in Westerland. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Westerland in September 2026.
If you’re planning to visit Westerland in the near future, we highly recommend that you review the 14 day weather forecast for Westerland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 2° | 11 | 14 | 6 | 100 mm | Awful | Westerland in January |
| February | 4° / 2° | 8 | 13 | 7 | 74 mm | Awful | Westerland in February |
| March | 5° / 3° | 6 | 23 | 2 | 61 mm | Awful | Westerland in March |
| April | 8° / 6° | 5 | 24 | 1 | 47 mm | Ok | Westerland in April |
| May | 12° / 9° | 6 | 25 | 0 | 73 mm | Ok | Westerland in May |
| June | 15° / 13° | 5 | 25 | 0 | 88 mm | Good | Westerland in June |
| July | 18° / 15° | 8 | 23 | 0 | 121 mm | Ok | Westerland in July |
| August | 18° / 16° | 9 | 22 | 0 | 181 mm | Ok | Westerland in August |
| September | 16° / 14° | 9 | 21 | 0 | 154 mm | Ok | Westerland in September |
| October | 13° / 11° | 9 | 22 | 0 | 155 mm | Bad | Westerland in October |
| November | 9° / 8° | 9 | 20 | 1 | 129 mm | Bad | Westerland in November |
| December | 6° / 5° | 10 | 18 | 3 | 121 mm | Awful | Westerland in December |