September is a popular month to ask about Cuxhaven Duhnen because conditions can shift week to week along this coast. Expect the water near 17,0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the North Sea.
Cuxhaven Duhnen sea temperature in September — averages 17,0°C
The sea at Cuxhaven Duhnen in Germany averages 17,0°C during September, based on long-run climatology for the North Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · September
17,0°C
mild · Fair
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 17.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Cuxhaven Duhnen
Can you swim at Cuxhaven Duhnen in July? — 18,0°C water18,0°CCan you swim at Cuxhaven Duhnen in August? — 19,0°C water19,0°CCan you swim at Cuxhaven Duhnen in September? — 17,0°C water17,0°CCan you swim at Cuxhaven Duhnen in October? — 13,0°C water13,0°CCan you swim at Cuxhaven Duhnen in November? — 9,0°C water9,0°CCan you swim at Cuxhaven Duhnen in December? — 6,0°C water6,0°C
Frequently asked questions
What is the average sea temperature at Cuxhaven Duhnen in September?
Cuxhaven Duhnen averages 17,0°C in September, based on long-run climatology for the North Sea.
Is the sea warm enough to swim at Cuxhaven Duhnen in September?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Cuxhaven Duhnen in September?
A 2 mm shorty is comfortable for sessions over 30 minutes.