Sea Temperature in Otok Mljet in September

© VSP VIDEO - Zvonimir BAŠICA

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

Otok Mljet Climate and Swimming Opportunities in September

Otok Mljet lies within the Dubrovnik-Neretva County in Croatia. The average daytime temperature in Otok Mljet in September is 25°C (78°F), while the nighttime average is 18°C (65°F). There are typically eight rainy days during the month, with a total precipitation of 75 mm (3.0 inches). The daylight duration in September in Otok Mljet 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 Otok Mljet in September ranges from 22°C to 26°C (72°F to 79°F). At the beginning of the month, the average temperature is around 25°C (77°F), shifting to 24°C (75°F) by mid-September and reaching 23°C (73°F) in the last ten days. Overall, the average sea temperature in Otok Mljet 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 Otok Mljet