Perissa
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Perissa, Greece

September, the first month of the autumn, in Perissa, is still a warm month, with average temperature ranging between min 20°C (68°F) and max 25°C (77°F).

Temperature

In Perissa, the average high-temperature is essentially the same as in August - a still warm 25°C (77°F). The average low-temperature, in Perissa, is 20°C (68°F).

Rainfall

In Perissa, during 1 rainfall days, 13mm (0.5") of precipitation is typically accumulated. Throughout the year, there are 65 rainfall days, and 554mm (21.8") of precipitation is accumulated.

Sea temperature

In Perissa, the average seawater temperature 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

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

Sunshine

In Perissa, Greece, the average sunshine in September is 10h.

UV index

In September, the average daily maximum UV index in Perissa is 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
In September, the average maximum UV index of 7 translate into the following recommendations:
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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Perissa?

In September, in Perissa, the average high-temperature is 25°C (77°F), and the average low-temperature is 20°C (68°F).

How many days does it rain in September in Perissa?

In September, the rain falls for 1 days. Throughout September, 13mm (0.5") of precipitation is accumulated.

What is the water temperature in September in Perissa?

In September, the average sea temperature in Perissa 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.

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

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

How many hours of sunshine does Perissa have in September?

In Perissa, the average sunshine in September is 10h.

What is the UV index intensity in September in Perissa?

In September, the average daily maximum UV index in Perissa is 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Perissa, Greece
  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is July (28°C).
Months with the lowest average high temperature are January and February (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 (9°C).

Average rainfall in September - Perissa, Greece
  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is January (114mm).
Driest months (with the lowest rainfall) are July and August (1mm).

Average rainfall days in September - Perissa, Greece
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

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

The best month for swimming (with the highest average sea temperature) is August (24°C).
Coldest months (with the lowest average sea temperature) are February and March (15°C).

Average daylight in September / Average sunshine in September - Perissa, 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: 10h

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

Average UV index in September - Perissa, 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).