Sea Temperature in Island of Sylt in September

© Norbert Friedemann

Complete information on the sea temperature range in the North Sea in Island of Sylt in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Island of Sylt. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Island of Sylt Climate and Swimming Opportunities in September

Island of Sylt lies within the Schleswig-Holstein in Germany. The average daytime temperature in Island of Sylt in September is 18°C (64°F), while the nighttime average is 12°C (53°F). There are typically 12 rainy days during the month, with a total precipitation of 85 mm (3.3 inches). The daylight duration in September in Island of Sylt is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 24 km/h (15 mph), and the humidity level is around 84%.

The water temperature in Island of Sylt in September ranges from 15°C to 18°C (59°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 17°C (63°F) by mid-September and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Island of Sylt for September is 17°C (63°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in September in Island of Sylt