Kefalos
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kefalos, Greece

Stunning view of the inviting Kastri Isle in Kefalos Village, Greece
Stunning view of the inviting Kastri Isle in Kefalos Village, Greece
September, the first month of the autumn, in Kefalos, is also a moderately hot month, with average temperature fluctuating between 20°C (68°F) and 28°C (82.4°F).

Temperature

In September, the average high-temperature slightly decreases, from a tropical 31°C (87.8°F) in August, to a warm 28°C (82.4°F). In Kefalos, in September, the average low-temperature is 20°C (68°F).

Rainfall

In Kefalos, during 4 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Kefalos, there are 87 rainfall days, and 719mm (28.31") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 23°C (73.4°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23°C (73.4°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

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

Sunshine

The average sunshine in September is 11h.

UV index

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Kefalos?

In Kefalos, Greece, in September, the average high-temperature is 28°C (82.4°F), and the average low-temperature is 20°C (68°F).

How many days does it rain in September in Kefalos?

In Kefalos, Greece, in September, it is raining for 4 days, with typically 15mm (0.59") of accumulated precipitation.

What is the sea temperature in September in Kefalos?

In September, the average sea temperature in Kefalos is 23°C (73.4°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23°C (73.4°F) water may be enjoyable.

How many hours of daylight does Kefalos have in September?

In September, the average length of the day in Kefalos is 12.4h.

How many hours of sunshine does Kefalos have in September?

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

What is the UV index intensity in September in Kefalos?

The average daily maximum UV index in September in Kefalos, Greece, is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in September - Kefalos, Greece
  • Average high temperature in September: 28°C

Warmest months (with the highest average high temperature) are July and August (31°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in September: 20°C

Months with the highest average low temperature are July and August (22°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in September - Kefalos, Greece
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is January (164mm).
The driest month (with the lowest rainfall) is July (0mm).

Average rainfall days in September - Kefalos, Greece
  • Average rainfall days in September: 4 days

The month with the highest number of rainy days is December (14 days).
The month with the lowest number of rainy days is June (3 days).

Average sea temperature in September - Kefalos, Greece
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (16°C).

Average daylight in September / Average sunshine in September - Kefalos, Greece
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 11h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in September - Kefalos, Greece
  • Average UV index in September: 7

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).