Sea Temperature in Posillipo in September

© Vittorio Salvati

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

Posillipo Climate and Swimming Opportunities in September

Posillipo lies within the Campania in Italy. The average daytime temperature in Posillipo 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 Posillipo 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 Posillipo in September ranges from 22°C to 27°C (72°F to 81°F). At the beginning of the month, the average temperature is around 27°C (81°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 Posillipo 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 Posillipo