Kallithea
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kallithea, Greece

The first month of the autumn, September, is also a moderately hot month in Kallithea, Greece, with average temperature fluctuating between 20°C (68°F) and 28°C (82.4°F).
An excellent water temperature of 25°C (77°F) and only 2 rainfall days, with 10mm (0.39") of accumulated rainfall, makes September a prime for swimming and other water activities.

Temperature

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

Rainfall

In Kallithea, during September, the rain falls for 2 days and regularly aggregates up to 10mm (0.39") of precipitation. In Kallithea, Greece, during the entire year, the rain falls for 81 days and collects up to 780mm (30.71") of precipitation.

Sea temperature

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

Daylight

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

Sunshine

In September, the average sunshine in Kallithea, Greece, is 11h.

UV index

In Kallithea, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Kallithea?

In September, in Kallithea, Greece, 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 Kallithea in September?

In Kallithea, Greece, during September, the rain falls for 2 days and regularly aggregates up to 10mm (0.39") of precipitation.

What months are the sea warmest in Kallithea?

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

What is the sea water temperature in September in Kallithea?

In Kallithea, Greece, the average seawater temperature in September 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.

How many hours of daylight does Kallithea have in September?

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

How many hours of sunshine does Kallithea have in September?

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

What is the UV index intensity in September in Kallithea?

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Kallithea, 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 - Kallithea, Greece
  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is December (168mm).
The driest month (with the lowest rainfall) is July (1mm).

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

The month with the highest number of rainy days is December (14 days).
Months with the lowest number of rainy days are June and September (2 days).

Average sea temperature in September - Kallithea, 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 - Kallithea, Greece
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • 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 - Kallithea, 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).