September weather forecast
Corfu, Greece

The arrival of September in Corfu witnesses a gradual cooling trend, with the temperatures falling from 31.3°C (88.3°F) to 27.6°C (81.7°F). Despite this, the city still holds onto the summer's vibrancy, complemented by the warmth of early autumn. The landscapes start to morph, displaying a rich canvas of golden hues against a crisp blue sky. The unhurried pace of fall, coupled with the lingering warmth of summer, creates a pleasant climate to venture outdoors and soak in the seasonal transformations.

Temperature

In Corfu, the average high-temperature in September slightly decreases from a hot 31.3°C (88.3°F) in August to a warm 27.6°C (81.7°F). During September, Corfu records a consistent average nighttime temperature of 16.5°C (61.7°F).

Heat index

During September, the heat index is calculated to be a tropical 30°C (86°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

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

Rainfall

In September, in Corfu, the rain falls for 7 days. Throughout September, 81mm (3.19") of precipitation is accumulated. In Corfu, during the entire year, the rain falls for 128.7 days and collects up to 1097mm (43.19") of precipitation.

Sea temperature

In Corfu, the average seawater temperature in September is 25.3°C (77.5°F).
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

In Corfu, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 07:08 and sunset at 20:11. On the last day of September, sunrise is at 07:35 and sunset at 19:24 EEST.

Sunshine

The average sunshine in September in Corfu is 8.6h.

UV index

In Corfu, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, an average UV index of 6 transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.