September weather forecast
Fri, Greece

The first month of the autumn, September, is also a moderately hot month in Fri, Greece, with an average temperature fluctuating between 18°C (64.4°F) and 26°C (78.8°F).
The ideal sea water temperature of 25.3°C (77.5°F) and only 1 rainfall days, with 13mm (0.51") of accumulated rainfall, makes September the best time for swimming and other water activities.

Temperature

Fri observes an average high-temperature of a still warm 26°C (78.8°F) in September, barely different from 28°C (82.4°F) in August. Fri's temperature drops to an average low of 18°C (64.4°F) during the nights of September.

Rainfall

In September, in Fri, the rain falls for 1 days. Throughout September, 13mm (0.51") of precipitation is accumulated. In Fri, during the entire year, the rain falls for 63 days and collects up to 709mm (27.91") of precipitation.

Sea temperature

In Fri, in September, the average water temperature is 25.3°C (77.5°F).
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

The average length of the day in September in Fri, Greece, is 12h and 24min.
On the first day of the month, sunrise is at 06:44 and sunset at 19:39. On the last day of September, sunrise is at 07:06 and sunset at 18:57 EEST.

Sunshine

In Fri, the average sunshine in September is 11h.

UV index

In September, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 8 during September translates into the following directions:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Watch out! Reflections from sand and water can surge UV radiation exposure.