September weather forecast
Kioni, Greece

September, the first month of the autumn in Kioni, is also a moderately hot month, with an average temperature varying between 27°C (80.6°F) and 16°C (60.8°F).
The ideal sea water temperature of 25°C (77°F) and only 4 rainfall days, with 47mm (1.85") of accumulated rainfall, makes September the best time for swimming and other water activities.

Temperature

In Kioni, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's hot 30°C (86°F) to a warm 27°C (80.6°F). Kioni records an average low-temperature of 16°C (60.8°F) throughout the month of September.

Rainfall

In Kioni, during September, the rain falls for 4 days and regularly aggregates up to 47mm (1.85") of precipitation. Throughout the year, there are 108 rainfall days, and 1030mm (40.55") of precipitation is accumulated.

Sea temperature

In Kioni, Greece, in September, the average water temperature is 25°C (77°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

In Kioni, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 07:07 and sunset at 20:07. On the last day of September, in Kioni, sunrise is at 07:32 and sunset at 19:21 EEST.

Sunshine

In Kioni, Greece, the average sunshine in September is 9h.

UV index

In Kioni, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 during September translates into the following guidance:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.