Sea Temperature in Ston in September

© Jan Bresky

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

Ston Climate and Swimming Opportunities in September

Ston lies within the Dubrovnik-Neretva County in Croatia. The average daytime temperature in Ston in September is 26°C (79°F), while the nighttime average is 16°C (61°F). There are typically eight rainy days during the month, with a total precipitation of 84 mm (3.3 inches). The daylight duration in September in Ston is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 11 km/h (7 mph), and the humidity level is around 66%.

The water temperature in Ston in September ranges from 23°C to 25°C (73°F to 77°F). At the beginning of the month, the average temperature is around 25°C (77°F), shifting to 25°C (77°F) by mid-September and reaching 24°C (75°F) in the last ten days. Overall, the average sea temperature in Ston for September is 24°C (75°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in September in Ston