The temperatures in Sylt 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 Sylt. 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 Sylt in September 2025.
If you’re planning to visit Sylt in the near future, we highly recommend that you review the 14 day weather forecast for Sylt before you arrive.
Temperatures
16° / 14°
Rainy Days
9
Snowy Days
0
Dry Days
21
Rainfall
154
mm
Sun Hours
8.9
Hrs
