September weather forecastFethiye, Turkey

September
Weather in September
The advent of September brings a slight downturn in temperatures. From August to September, there is a small uptick in rainfall, marking the onset of the wet season. However, the weather remains predominantly sunny, making it an excellent time for witnessing the breathtaking sunsets over the bays of Fethiye. The resumption of rains rejuvenates the countryside, carpeting it in vibrant hues.Temperature
The arrival of September in Fethiye corresponds with a temperature reduction, down from August's sweltering 39.2°C (102.6°F) to a tropical 31.3°C (88.3°F). Fethiye documents a striking divergence from daytime highs, with an average nighttime temperature of 16.9°C (62.4°F) in September.Rainfall
In September, the rain falls for 2.5 days. Throughout September, 18mm (0.71") of precipitation is accumulated. In Fethiye, during the entire year, the rain falls for 78.6 days and collects up to 835mm (32.87") of precipitation.Sea temperature
In Fethiye, the average seawater temperature in September is 27.3°C (81.1°F).Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.
Daylight
The average length of the day in September in Fethiye is 12h and 25min.On the first day of September, sunrise is at 06:35 and sunset at 19:31. On the last day of the month, sunrise is at 06:58 and sunset at 18:48 +03.
Sunshine
In Fethiye, the average sunshine in September is 9.8h.UV index
In Fethiye, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fethiye, Turkey
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is August (39.2°C).
The month with the lowest average high temperature is January (16°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is December (-8.1°C).
Average rainfall in September
Fethiye, Turkey
- Average rainfall in September: 17.6mm
The wettest month (with the highest rainfall) is December (174.1mm).
The driest month (with the least rainfall) is August (2.6mm).
Average rainfall days in September
Fethiye, Turkey
- Average rainfall days in September: 2.5 days
The months with the highest number of rainy days are January and December (12.1 days).
The month with the least rainy days is July (1.4 days).
Average sea temperature in September
Fethiye, Turkey
- Average sea temperature in September: 27.3°C
The best month for swimming (with the highest average sea temperature) is August (28.3°C).
The coldest month (with the lowest average sea temperature) is February (16.6°C).
Average daylight in September /
Average sunshine in September
Fethiye, Turkey
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average UV index in September
Fethiye, Turkey
- Average UV index in September: 7
The month with the highest UV index is July (UV index 11).
The months with the lowest UV index are January and December (UV index 2).





