September weather forecast and climate
Corfu, Greece

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

Temperature

In Corfu, the average high-temperature in September marginally drops, from a hot 31.3°C (88.3°F) in August, to a moderately hot 27.6°C (81.7°F). In Corfu, Greece, in September, the average low-temperature is 16.5°C (61.7°F).

Heat index

The average heat index is appraised at 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and pregnancy affect individual temperature impact. 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 especially crucial for babies and toddlers. 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 September is 70.4%.

Rainfall

In Corfu, 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 September, the average sea temperature in Corfu 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

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

Sunshine

In Corfu, the average sunshine is 8.6h.

UV index

In Corfu, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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 reflection of water and sand dramatically increases exposure to the UV rays.