Keratsini
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Keratsini, Greece

An excellent water temperature of 25°C (77°F) makes September in Keratsini, Greece, a prime for swimming and other water activities.

Sea temperature

In Keratsini, the average seawater temperature is 25°C (77°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in September is 12.4h.

How warm is the water in September in Keratsini?

In Keratsini, Greece, in September, the average water temperature is 25°C (77°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Keratsini?

In Keratsini, Greece, the average length of the day in September is 12.4h.
Average sea temperature in September - Keratsini, Greece
  • Average sea temperature in September: 25°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

Average daylight in September - Keratsini, Greece
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).