September weather forecast and climate
Kalathos, Greece

The first month of the autumn, September, is also a warm month in Kalathos, Greece, with average temperature ranging between min. 20°C (68°F) and max. 28°C (82.4°F).

Temperature

The average high-temperature, is 28°C (82.4°F), while the average low-temperature is 20°C (68°F).

Rainfall

In Kalathos, it is raining for 2 days, with typically 10mm (0.4") of accumulated precipitation. Throughout the year, in Kalathos, there are 78 rainfall days, and 726mm (28.6") of precipitation is accumulated.

Sea temperature

Months with the warmest seawater in Kalathos are August and September, with an average sea temperature of 25°C (77°F). 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

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

Sunshine

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

UV index

In September, the average daily maximum UV index in Kalathos, Greece, is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
The average daily UV index of 7 in September transform into the following instructions:
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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Kalathos?

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

How much does it rain in Kalathos in September?

In Kalathos, during September, the rain falls for 2 days and regularly aggregates up to 10mm (0.4") of precipitation.

What months are the sea warmest in Kalathos?

August and September, with an average sea temperature of 25°C (77°F), are months with the warmest seawater. 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.

What is the water temperature in September in Kalathos?

In September, the average sea temperature in Kalathos is 25°C (77°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Kalathos have in September?

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

How long on average sun shines in September in Kalathos?

The average sunshine in September in Kalathos, Greece, is 11h.

How high is the UV index in September in Kalathos?

The average daily maximum UV index in September in Kalathos, Greece, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Kalathos, Greece
  • Average high temperature in September: 28°C

The warmest month (with the highest average high temperature) is August (31°C).
Months with the lowest average high temperature are January and February (15°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 - Kalathos, Greece
  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is January (158mm).
Driest months (with the lowest rainfall) are July and August (1mm).

Average rainfall days in September - Kalathos, Greece
  • Average rainfall days in September: 2 days

Months with the highest number of rainy days are January and December (13 days).
Months with the lowest number of rainy days are June and September (2 days).

Average sea temperature in September - Kalathos, Greece
  • Average sea temperature in September: 25°C

Best months for swimming (with the highest average sea temperature) are August and September (25°C).
Coldest months (with the lowest average sea temperature) are February and March (16°C).

Average daylight in September / Average sunshine in September - Kalathos, 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 - Kalathos, 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).

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