Sea Temperature in Poros in September

© Alison Beckett

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

Poros Climate and Swimming Opportunities in September

Poros lies within the Cephalonia in Greece. The average daytime temperature in Poros in September is 27°C (81°F), while the nighttime average is 18°C (64°F). There are typically six rainy days during the month, with a total precipitation of 50 mm (2.0 inches). The daylight duration in September in Poros is 12 hours, with an average of 9 hours of sunshine per day. The average wind speed in September is 10 km/h (6 mph), and the humidity level is around 66%.

The water temperature in Poros 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 25°C (77°F) by mid-September and reaching 24°C (75°F) in the last ten days. Overall, the average sea temperature in Poros 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 Poros