September weather forecast
Güllük, Turkey

The first month of the autumn, September, is still a tropical month in Güllük, Turkey, with an average temperature fluctuating between 17°C (62.6°F) and 30°C (86°F).

Temperature

In Güllük, the average high-temperature in September slightly decreases from a tropical 33°C (91.4°F) in August to a still hot 30°C (86°F). In September, the average low-temperature is 17°C (62.6°F).

Rainfall

In Güllük, Turkey, in September, during 5 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, in Güllük, there are 101 rainfall days, and 773mm (30.43") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 23°C (73.4°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23°C (73.4°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

The average length of the day in September is 12h and 25min.
On the first day of September in Güllük, sunrise is at 06:39 and sunset at 19:39. On the last day of the month, sunrise is at 07:03 and sunset at 18:55 +03.

Sunshine

The average sunshine in September is 11h.

UV index

In Güllük, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in September 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.