Polychrono
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Polychrono, Greece

The first month of the autumn, September, is still a warm month in Polychrono, Greece, with temperature in the range of an average low of 15°C (59°F) and an average high of 26°C (78.8°F).

Temperature

In Polychrono, the average high-temperature marginally drops, from a moderately hot 29°C (84.2°F) in August, to a still warm 26°C (78.8°F). The average low-temperature, in September, is 15°C (59°F).

Rainfall

In Polychrono, Greece, during September, the rain falls for 4 days and regularly aggregates up to 34mm (1.3") of precipitation. Throughout the year, in Polychrono, there are 84 rainfall days, and 562mm (22.1") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 23°C (73.4°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23°C (73.4°F).

Daylight

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

Sunshine

In September, the average sunshine in Polychrono is 9h.

UV index

In Polychrono, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for average individuals.
The average daily UV index of 6 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. 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 Polychrono?

In Polychrono, Greece, in September, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 15°C (59°F).

How much does it rain in Polychrono in September?

In Polychrono, in September, during 4 rainfall days, 34mm (1.3") of precipitation is typically accumulated.

What is the water temperature in September in Polychrono?

In September, the average sea temperature is 23°C (73.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water.

How many hours of daylight does Polychrono have in September?

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

How long on average sun shines in September in Polychrono?

The average sunshine in September is 9h.

What is the UV index reading in September in Polychrono?

In September, the average daily maximum UV index in Polychrono is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Polychrono, Greece
  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in September: 15°C

Months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average rainfall in September - Polychrono, Greece
  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the lowest rainfall) is August (26mm).

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

Months with the highest number of rainy days are January, November and December (9 days).
Months with the lowest number of rainy days are July, August and September (4 days).

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

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are February and March (13°C).

Average daylight in September / Average sunshine in September - Polychrono, 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: 9h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, February, November and December (Average sunshine: 4).

Average UV index in September - Polychrono, Greece
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).