September weather forecast and climate
Corfu, Greece

Beautiful white sandy beaches and clear waters in a village in Corfu Island, Greece
Beautiful white sandy beaches and clear waters in a village in Corfu Island, Greece

Weather in September

September, the first month of the autumn, in Corfu, is still a warm month, with average temperature ranging between max 27.6°C (81.7°F) and min 16.5°C (61.7°F).

Temperature

In September, the average high-temperature slightly decreases, from a tropical 31.3°C (88.3°F) in August, to a moderately hot 27.6°C (81.7°F). The average low-temperature, in September, is 16.5°C (61.7°F).

Heat index

In September, the average heat index is calculated to 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Corfu is 70.4%.

Rainfall

In Corfu, in September, it is raining for 7 days, with typically 81.3mm (3.2") of accumulated precipitation. In Corfu, Greece, during the entire year, the rain falls for 128.7 days and collects up to 1097.3mm (43.2") of precipitation.

Sea temperature

In Corfu, the average seawater temperature is 25.3°C (77.5°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

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

Sunshine

In Corfu, the average sunshine in September is 8.6h.

UV index

In Corfu, Greece, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. 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.
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FAQ

What is the temperature in September in Corfu?

In September, in Corfu, Greece, the average high-temperature is 27.6°C (81.7°F), and the average low-temperature is 16.5°C (61.7°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, in September is appraised at 30°C (86°F).

What is the average humidity in September in Corfu?

The average relative humidity in September in Corfu, Greece, is 70.4%.

How many days does it rain in September in Corfu?

In September, in Corfu, Greece, the rain falls for 7 days. Throughout September, 81.3mm (3.2") of precipitation is accumulated.

What is the sea water temperature in September in Corfu?

In September, the average sea temperature in Corfu, Greece, is 25.3°C (77.5°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.

What is the average length of the day in September in Corfu?

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

How many hours of sunshine does Corfu have in September?

The average sunshine in September in Corfu is 8.6h.

What is the UV index intensity in September in Corfu?

The average daily maximum UV index in September in Corfu is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.

Average temperature in September
Corfu, Greece

Average temperature in September - Corfu, Greece
  • Average high temperature in September: 27.6°C

The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (13.9°C).

  • Average low temperature in September: 16.5°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (5.1°C).

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Average humidity in September
Corfu, Greece

Average humidity in September - Corfu, Greece
  • Average humidity in September: 70.4%

The month with the highest relative humidity is November (77.5%).
The month with the lowest relative humidity is July (60%).

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Average rainfall in September
Corfu, Greece

Average rainfall in September - Corfu, Greece
  • Average rainfall in September: 81.3mm

The wettest month (with the highest rainfall) is November (187.4mm).
The driest month (with the least rainfall) is July (9.2mm).

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Average rainfall days in September
Corfu, Greece

Average rainfall days in September - Corfu, Greece
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is December (17.5 days).
The month with the least rainy days is July (2.3 days).

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Average sea temperature in September
Corfu, Greece

Average sea temperature in September - Corfu, Greece
  • Average sea temperature in September: 25.3°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (15.2°C).

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Average daylight in September /
Average sunshine in September
Corfu, Greece

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

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 3.6h).

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Average UV index in September
Corfu, Greece

Average UV index in September - Corfu, Greece
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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