Argostolion
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Argostolion, Greece

The first month of the autumn, September, is still a warm month in Argostolion, Greece, with average temperature fluctuating between 19.1°C (66.4°F) and 26.9°C (80.4°F).
An excellent water temperature of 25.7°C (78.3°F) and only 3 rainfall days, with 31.3mm (1.23") of accumulated rainfall, makes September a prime for swimming and other water activities.

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 29.9°C (85.8°F) in August, to a still warm 26.9°C (80.4°F). In Argostolion, in September, the average low-temperature is 19.1°C (66.4°F).

Rainfall

In Argostolion, Greece, in September, during 3 rainfall days, 31.3mm (1.23") of precipitation is typically accumulated. In Argostolion, during the entire year, the rain falls for 70 days and collects up to 779.1mm (30.67") of precipitation.

Sea temperature

In Argostolion, the average water temperature is 25.7°C (78.3°F).
Note: 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.

Daylight

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

Sunshine

In September, the average sunshine is 9h.

UV index

In Argostolion, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 7 transform into the following instructions:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Argostolion?

In September, the average high-temperature is 26.9°C (80.4°F), and the average low-temperature is 19.1°C (66.4°F).

How many days does it rain in September in Argostolion?

In September, in Argostolion, the rain falls for 3 days. Throughout September, 31.3mm (1.23") of precipitation is accumulated.

How warm is the water in September in Argostolion?

In September, the average sea temperature in Argostolion is 25.7°C (78.3°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.

What is the average length of the day in September in Argostolion?

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

How long on average sun shines in September in Argostolion?

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

What is the UV index intensity in September in Argostolion?

In September, the average daily maximum UV index in Argostolion, Greece, is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Argostolion, Greece
  • Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is February (14.1°C).

  • Average low temperature in September: 19.1°C

The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is February (8°C).

Average rainfall in September - Argostolion, Greece
  • Average rainfall in September: 31.3mm

The wettest month (with the highest rainfall) is November (155.9mm).
The driest month (with the lowest rainfall) is July (1.3mm).

Average rainfall days in September - Argostolion, Greece
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is December (12 days).
The month with the lowest number of rainy days is July (0 days).

Average sea temperature in September - Argostolion, Greece
  • Average sea temperature in September: 25.7°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (15.4°C).

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

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 9h

The month with most sunshine is July (Average sunshine: 13h).
The month with least sunshine is December (Average sunshine: 4h).

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

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January and December (UV index 2).