Sisi
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sisi, Greece

September, the first month of the autumn, in Sisi, is still a warm month, with average temperature ranging between min 17°C (62.6°F) and max 24°C (75.2°F).

Temperature

In Sisi, Greece, the average high-temperature in September is almost the same as in August - a still moderately hot 24°C (75.2°F). The average low-temperature, in September, is 17°C (62.6°F).

Rainfall

In Sisi, it is raining for 2 days, with typically 23mm (0.9") of accumulated precipitation. In Sisi, during the entire year, the rain falls for 75 days and collects up to 847mm (33.3") of precipitation.

Sea temperature

In Sisi, the average water temperature is 24°C (75.2°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24°C (75.2°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

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

Sunshine

In Sisi, the average sunshine is 10h.

UV index

The average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
In September, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Protection against sun 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. 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 Sisi?

The average high-temperature, in September, is 24°C (75.2°F), while the average low-temperature is 17°C (62.6°F).

How many days does it rain in September in Sisi?

In Sisi, in September, during 2 rainfall days, 23mm (0.9") of precipitation is typically accumulated.

What is the water temperature in September in Sisi?

In Sisi, Greece, in September, the average water temperature is 24°C (75.2°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24°C (75.2°F) water may be enjoyable.

How many hours of daylight does Sisi have in September?

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

How many hours of sunshine does Sisi have in September?

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

What is the UV index reading in September in Sisi?

The average daily maximum UV index in September in Sisi is 8. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Sisi, Greece
  • Average high temperature in September: 24°C

Warmest months (with the highest average high temperature) are July and August (26°C).
Months with the lowest average high temperature are January and February (12°C).

  • Average low temperature in September: 17°C

Months with the highest average low temperature are July and August (19°C).
Coldest months (with the lowest average low temperature) are January and February (6°C).

Average rainfall in September - Sisi, Greece
  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the lowest rainfall) is August (3mm).

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

The month with the highest number of rainy days is December (13 days).
Months with the lowest number of rainy days are July and August (1 days).

Average sea temperature in September - Sisi, Greece
  • Average sea temperature in September: 24°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 (15°C).

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

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 10h

Months with most sunshine are June, July and August (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in September - Sisi, Greece
  • Average UV index in September: 8

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).