Sea Temperature in Holtenau in September

© Kjell Canale

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

Holtenau Climate and Swimming Opportunities in September

Holtenau lies within the Schleswig-Holstein in Germany. The average daytime temperature in Holtenau in September is 18°C (64°F), while the nighttime average is 10°C (49°F). There are typically 12 rainy days during the month, with a total precipitation of 67 mm (2.6 inches). The daylight duration in September in Holtenau is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 17 km/h (11 mph), and the humidity level is around 82%.

The water temperature in Holtenau in September ranges from 14°C to 18°C (57°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 15°C (59°F) in the last ten days. Overall, the average sea temperature in Holtenau 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 Holtenau