German North Sea Coast

German North Sea Coast weather in September

Averages for 3 places on the German North Sea coast in September, from 30 years of weather data.

15

Holiday weather in September

Poor

Best time to visit: May, July – August

Day17°C17–18 °C by place
Night13°C13–14 °C by place
Sea temperature17°C17–17 °C by place
Sunshine5h5–5 h by place
Rainy days12in the month

Places on the German North Sea coast in September

Sorted by holiday weather score. Each place links to its own page for September.

PlaceScoreDayNightSeaSunRain days
Norderney1718°13°17°5 h12
St. Peter-Ording1517°13°17°5 h12
Westerland, Sylt1417°14°17°5 h13

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score31156
Day20°17°13°
Night15°13°9°
Sea19°17°13°
Sun7 h5 h3 h
Rain days141215

German North Sea Coast in September: quick answers

Is it warm on the German North Sea coast in September?

It is mild. Daytime highs average 17 °C (17–18 °C by place) and nights 13 °C.

Can you swim on the German North Sea coast in September?

Only if you like it fresh: the sea is 17 °C, 17 °C on average.

Where is it warmest on the German North Sea coast in September?

The warmest are Norderney (18 °C), St. Peter-Ording (17 °C) and Westerland, Sylt (17 °C).

Does it rain much on the German North Sea coast in September?

Quite often: 12 rainy days on average. Plus 5 hours of sunshine a day.

Is September a good time to visit the German North Sea coast?

September scores 15 out of 100 (Poor). The best time to visit is May, July – August.

German North Sea Coast month by month

More islands & regions

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)