Sea Temperature in Terschelling in September

© Olav de Leeuw

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

Terschelling Climate and Swimming Opportunities in September

Terschelling lies within the Friesland in Netherlands. The average daytime temperature in Terschelling in September is 19°C (65°F), while the nighttime average is 11°C (52°F). There are typically 13 rainy days during the month, with a total precipitation of 86 mm (3.4 inches). The daylight duration in September in Terschelling is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 15 km/h (9 mph), and the humidity level is around 83%.

The water temperature in Terschelling in September ranges from 16°C to 18°C (61°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 17°C (63°F) in the last ten days. Overall, the average sea temperature in Terschelling 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 Terschelling