Vassilias
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Vassilias, Greece

September, the first month of the autumn, in Vassilias, is still a warm month, with average temperature ranging between min 15°C (59°F) and max 26°C (78.8°F).

Temperature

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

Rainfall

In Vassilias, it is raining for 3 days, with typically 38mm (1.5") of accumulated precipitation. In Vassilias, Greece, during the entire year, the rain falls for 86 days and collects up to 629mm (24.8") of precipitation.

Sea temperature

In Vassilias, Greece, the average seawater temperature in September 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. (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 September is 12.4h.

Sunshine

In Vassilias, the average sunshine is 9h.

UV index

The average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Vassilias?

The average high-temperature, in September, in Vassilias, is 26°C (78.8°F), while the average low-temperature is 15°C (59°F).

How much does it rain in Vassilias in September?

In Vassilias, in September, it is raining for 3 days, with typically 38mm (1.5") of accumulated precipitation.

What is the sea temperature in September in Vassilias?

In Vassilias, Greece, the average seawater temperature in September 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).

How many hours of daylight does Vassilias have in September?

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

How many hours of sunshine does Vassilias have in September?

In Vassilias, Greece, the average sunshine in September is 9h.

What is the UV index reading in September in Vassilias?

The average daily maximum UV index in September in Vassilias is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Vassilias, 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 (10°C).

  • Average low temperature in September: 15°C

Months with the highest average low temperature are July and August (18°C).
Coldest months (with the lowest average low temperature) are January and February (3°C).

Average rainfall in September - Vassilias, Greece
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is December (97mm).
The driest month (with the lowest rainfall) is July (19mm).

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

Months with the highest number of rainy days are November and December (10 days).
Months with the lowest number of rainy days are August and September (3 days).

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

Best months for swimming (with the highest average sea temperature) are July and August (24°C).
Coldest months (with the lowest average sea temperature) are January, February and March (14°C).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 9h

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

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

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