Galissas
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Galissas, Greece

The first month of the autumn, Septiembre, is still a warm month in Galissas, Greece, with average temperature ranging between max 25°C (77°F) and min 19°C (66.2°F).

Temperature

In Septiembre, the average high-temperature is relatively the same as in Agosto - a still moderately hot 25°C (77°F). The average low-temperature, in Galissas, is 19°C (66.2°F).

Rainfall

In Galissas, during Septiembre, the rain falls for 1 days and regularly aggregates up to 12mm (0.47") of precipitation. In Galissas, during the entire year, the rain falls for 63 days and collects up to 474mm (18.66") of precipitation.

Sea temperature

In Galissas, the average water temperature is 24.3°C (75.7°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.3°C (75.7°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 Galissas is 12.4h.

Sunshine

In Galissas, the average sunshine is 10h.

UV index

The average daily maximum UV index in Galissas is 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 interpret into the following advice:
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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in Septiembre in Galissas?

In Galissas, in Septiembre, the average high-temperature is 25°C (77°F), and the average low-temperature is 19°C (66.2°F).

How many days does it rain in Septiembre in Galissas?

In Galissas, in Septiembre, it is raining for 1 days, with typically 12mm (0.47") of accumulated precipitation.

What is the sea temperature in Septiembre in Galissas?

In Septiembre, the average sea temperature is 24.3°C (75.7°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 24.3°C (75.7°F).

How many hours of daylight does Galissas have in Septiembre?

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

How long on average sun shines in Septiembre in Galissas?

In Septiembre, the average sunshine in Galissas is 10h.

What is the UV index reading in Septiembre in Galissas?

In Galissas, Greece, the average daily maximum UV index in Septiembre is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Galissas, 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 (13°C).

  • Average low temperature in September: 19°C

The month with the highest average low temperature is July (22°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in September - Galissas, Greece
  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is December (91mm).
Driest months (with the lowest rainfall) are July and August (2mm).

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

The month with the highest number of rainy days is December (11 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

Average sea temperature in September - Galissas, Greece
  • Average sea temperature in September: 24.3°C

The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).

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

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 10h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 4).

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

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).