Chios
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Chios, Greece

September, the first month of the autumn, in Chios, is also a moderately hot month, with temperature in the range of an average low of 16°C (60.8°F) and an average high of 25°C (77°F).

Temperature

In Chios, the average high-temperature slightly decreases, from a moderately hot 28°C (82.4°F) in August, to a still warm 25°C (77°F). In September, the average low-temperature is 16°C (60.8°F).

Rainfall

January through July, September through December are months with rainfall in Chios. September is the first month it rains. Throughout September, in the average 4 rainfall days, it receives 8mm (0.31") of precipitation. In Chios, Greece, during the entire year, the rain falls for 86 days and collects up to 520mm (20.47") of precipitation.

Sea temperature

In Chios, the average seawater temperature is 23°C (73.4°F).
Note: 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 Chios is 12.4h.

Sunshine

In September, the average sunshine in Chios is 11h.

UV index

In Chios, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
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 September in Chios?

The average high-temperature, in September, in Chios, is 25°C (77°F), while the average low-temperature is 16°C (60.8°F).

When does it start to rain in Chios?

September is the first month it rains. Throughout September, in the average 4 rainfall days, it receives 8mm (0.31") of precipitation.

How warm is the water in September in Chios?

In Chios, the average seawater temperature in September is 23°C (73.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water.

How many hours of daylight does Chios have in September?

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

How many hours of sunshine does Chios have in September?

In September, the average sunshine in Chios, Greece, is 11h.

What is the UV index intensity in September in Chios?

The average daily maximum UV index in September in Chios is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Chios, Greece
  • Average high temperature in September: 25°C

Warmest months (with the highest average high temperature) are July and August (28°C).
Months with the lowest average high temperature are January and February (11°C).

  • Average low temperature in September: 16°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 (5°C).

Average rainfall in September - Chios, Greece
  • Average rainfall in September: 8mm

The wettest month (with the highest rainfall) is December (122mm).
The driest month (with the lowest rainfall) is August (0mm).

Average rainfall days in September - Chios, Greece
  • Average rainfall days in September: 4 days

Months with the highest number of rainy days are January and December (12 days).
The month with the lowest number of rainy days is June (3 days).

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

The best month for swimming (with the highest average sea temperature) is August (24.6°C).
The coldest month (with the lowest average sea temperature) is March (15.9°C).

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

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).

  • 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 - Chios, 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).