Chalki
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Chalki, Greece

The first month of the autumn, Septiembre, is also a moderately hot month in Chalki, Greece, with temperature in the range of an average low of 19°C (66.2°F) and an average high of 28°C (82.4°F).
The perfect water temperature of 26°C (78.8°F) with 11mm (0.43") of accumulated rainfall and only 2 rainfall días, makes Septiembre a great period for swimming and other water activities.

Temperature

In Chalki, the average high-temperature in Septiembre is almost the same as in Agosto - a moderately hot 28°C (82.4°F). In Chalki, the average low-temperature is 19°C (66.2°F).

Rainfall

In Chalki, it is raining for 2 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, there are 80 rainfall days, and 725mm (28.54") of precipitation is accumulated.

Sea temperature

In Chalki, Greece, the average seawater temperature is 26°C (78.8°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

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

Sunshine

The average sunshine in Chalki, Greece, is 11h.

UV index

In Chalki, Greece, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In Septiembre, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in Septiembre in Chalki?

In Chalki, in Septiembre, the average high-temperature is 28°C (82.4°F), and the average low-temperature is 19°C (66.2°F).

How much does it rain in Chalki in Septiembre?

In Chalki, in Septiembre, it is raining for 2 days, with typically 11mm (0.43") of accumulated precipitation.

How warm is the water in Septiembre in Chalki?

In Chalki, in Septiembre, the average water temperature is 26°C (78.8°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.

How many hours of daylight does Chalki have in Septiembre?

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

How many hours of sunshine does Chalki have in Septiembre?

The average sunshine in Septiembre is 11h.

What is the UV index intensity in Septiembre in Chalki?

The average daily maximum UV index in Septiembre in Chalki is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Chalki, Greece
  • Average high temperature in September: 28°C

Warmest months (with the highest average high temperature) are July and August (30°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in September: 19°C

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

Average rainfall in September - Chalki, Greece
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is January (158mm).
The driest month (with the lowest rainfall) is July (1mm).

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

Months with the highest number of rainy days are January and December (13 days).
Months with the lowest number of rainy days are June and September (2 days).

Average sea temperature in September - Chalki, Greece
  • Average sea temperature in September: 26°C

The best month for swimming (with the highest average sea temperature) is August (26.4°C).
The coldest month (with the lowest average sea temperature) is February (17.1°C).

Average daylight in September / Average sunshine in September - Chalki, 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: 11h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in September - Chalki, 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).