Sea Temperature in Porto Istana in September

© Charles Andoh

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

Porto Istana Climate and Swimming Opportunities in September

Porto Istana lies within the Sardinia in Italy. The average daytime temperature in Porto Istana in September is 26°C (79°F), while the nighttime average is 18°C (65°F). There are typically six rainy days during the month, with a total precipitation of 33 mm (1.3 inches). The daylight duration in September in Porto Istana is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 15 km/h (9 mph), and the humidity level is around 68%.

The water temperature in Porto Istana in September ranges from 21°C to 26°C (70°F to 79°F). At the beginning of the month, the average temperature is around 26°C (79°F), shifting to 24°C (75°F) by mid-September and reaching 22°C (72°F) in the last ten days. Overall, the average sea temperature in Porto Istana 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 Porto Istana