Sea Temperature in Portonovo in September

© Gianluca Cintioli

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

Portonovo Climate and Swimming Opportunities in September

Portonovo lies within the Marche in Italy. The average daytime temperature in Portonovo in September is 24°C (75°F), while the nighttime average is 16°C (61°F). There are typically nine rainy days during the month, with a total precipitation of 74 mm (2.9 inches). The daylight duration in September in Portonovo is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 9 km/h (6 mph), and the humidity level is around 73%.

The water temperature in Portonovo 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 26°C (79°F), shifting to 25°C (77°F) by mid-September and reaching 23°C (73°F) in the last ten days. Overall, the average sea temperature in Portonovo for September is 24°C (75°F). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.

Frequently Asked Questions About Water Temperatures in September in Portonovo