Mikonos
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Mikonos, Greece

A clear view of the cityscape and seascape of Mikonos City in Greece, with the view of a windmill
A clear view of the cityscape and seascape of Mikonos City in Greece, with the view of a windmill
The first month of the autumn, September, is still a warm month in Mikonos, Greece, with average temperature varying between 18°C (64.4°F) and 24°C (75.2°F).

Temperature

In Mikonos, the average high-temperature marginally drops, from a moderately hot 27°C (80.6°F) in August, to a still warm 24°C (75.2°F). In Mikonos, Greece, in September, the average low-temperature is 18°C (64.4°F).

Rainfall

In September, the rain falls for 2 days. Throughout September, 14mm (0.6") of precipitation is accumulated. In Mikonos, during the entire year, the rain falls for 68 days and collects up to 526mm (20.7") of precipitation.

Sea temperature

In September, the average sea temperature is 23.7°C (74.7°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°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

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

Sunshine

The average sunshine in September is 11h.

UV index

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye 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. 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 Mikonos?

The average high-temperature, in September, in Mikonos, Greece, is 24°C (75.2°F), while the average low-temperature is 18°C (64.4°F).

How much does it rain in Mikonos in September?

In September, in Mikonos, the rain falls for 2 days. Throughout September, 14mm (0.6") of precipitation is accumulated.

What is the water temperature in September in Mikonos?

In September, the average sea temperature in Mikonos is 23.7°C (74.7°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.7°C (74.7°F) water.

How many hours of daylight does Mikonos have in September?

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

How many hours of sunshine does Mikonos have in September?

The average sunshine in September is 11h.

How high is the UV index in September in Mikonos?

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Mikonos, Greece
  • Average high temperature in September: 24°C

Warmest months (with the highest average high temperature) are July and August (27°C).
The month with the lowest average high temperature is January (12°C).

  • Average low temperature in September: 18°C

Months with the highest average low temperature are July and August (21°C).
Coldest months (with the lowest average low temperature) are January and February (7°C).

Average rainfall in September - Mikonos, Greece
  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is December (102mm).
The driest month (with the lowest rainfall) is August (3mm).

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

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

Average sea temperature in September - Mikonos, Greece
  • Average sea temperature in September: 23.7°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (15.9°C).

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

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

Average UV index in September - Mikonos, 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).