Sea Temperature in Naples in September

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

Naples Climate and Swimming Opportunities in September

Naples lies within the Campania in Italy. The average daytime temperature in Naples in September is 25°C (78°F), while the nighttime average is 16°C (61°F). There are typically eight rainy days during the month, with a total precipitation of 88 mm (3.5 inches). The daylight duration in September in Naples 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 72%.

The water temperature in Naples in September ranges from 23°C to 27°C (73°F to 81°F). At the beginning of the month, the average temperature is around 27°C (81°F), shifting to 26°C (79°F) by mid-September and reaching 24°C (75°F) in the last ten days. Overall, the average sea temperature in Naples for September is 25°C (77°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 Naples