Sea Temperature in Kallvik in September

© Nynke Sloot

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

Kallvik Climate and Swimming Opportunities in September

Kallvik lies within the Södermanland in Sweden. The average daytime temperature in Kallvik in September is 16°C (60°F), while the nighttime average is 9°C (48°F). There are typically 10 rainy days during the month, with a total precipitation of 51 mm (2.0 inches). The daylight duration in September in Kallvik 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 79%.

The water temperature in Kallvik in September ranges from 13°C to 16°C (55°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 15°C (59°F) by mid-September and reaching 14°C (57°F) in the last ten days. Overall, the average sea temperature in Kallvik for September is 15°C (59°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 Kallvik