Kalimnos
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kalimnos, Greece

September, the first month of the autumn, in Kalimnos, is also a moderately hot month, 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).

Temperature

In Kalimnos, the average high-temperature slightly decreases, from a hot 31°C (87.8°F) in August, to a warm 28°C (82.4°F). In Kalimnos, the average low-temperature is 19°C (66.2°F).

Rainfall

In Kalimnos, Greece, during September, the rain falls for 4 days and regularly aggregates up to 16mm (0.6") of precipitation. Throughout the year, there are 87 rainfall days, and 737mm (29") of precipitation is accumulated.

Sea temperature

In Kalimnos, the average seawater temperature in September is 24.5°C (76.1°F).
Note: 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 24.5°C (76.1°F).

Daylight

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

Sunshine

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

UV index

In Kalimnos, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays 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. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Kalimnos?

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

How many days does it rain in September in Kalimnos?

In September, the rain falls for 4 days. Throughout September, 16mm (0.6") of precipitation is accumulated.

What is the sea temperature in September in Kalimnos?

In September, the average sea temperature in Kalimnos is 24.5°C (76.1°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 24.5°C (76.1°F).

How many hours of daylight does Kalimnos have in September?

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

How many hours of sunshine does Kalimnos have in September?

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

How high is the UV index in September in Kalimnos?

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

The warmest month (with the highest average high temperature) is July (32°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in September: 19°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 (8°C).

Average rainfall in September - Kalimnos, Greece
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is January (166mm).
The driest month (with the lowest rainfall) is July (1mm).

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

The month with the highest number of rainy days is December (14 days).
The month with the lowest number of rainy days is June (3 days).

Average sea temperature in September - Kalimnos, Greece
  • Average sea temperature in September: 24.5°C

The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is March (16.8°C).

Average daylight in September / Average sunshine in September - Kalimnos, 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: 9.7h).

  • 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 - Kalimnos, 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).