September weather forecast
Marmaris, Turkey

In September, Marmaris experiences a gentle drop in temperature as autumn starts to set in. Sea temperatures remain relatively high, enticing visitors to enjoy the coast before winter. Although daylight hours are on the decrease, sunshine hours remain reasonably ample. The city witnesses a slight increase in rainfall, although it's still relatively dry compared to the start of the year. Rainfall measures roughly 25mm (0.98") this month, an increase from the 8mm (0.31") recorded in August.

Temperature

September is characterized by a slight reduction in average high-temperature, easing from a tropical 34.3°C (93.7°F) in August to a still hot 30.8°C (87.4°F). Marmaris, during the month of September, experiences an average low-temperature of 20°C (68°F).

Rainfall

In Marmaris, Turkey, in September, during 2.1 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 83 rainfall days, and 1233mm (48.54") of precipitation is accumulated.

Sea temperature

In Marmaris, the average seawater temperature in September is 26.4°C (79.5°F).
Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 06:38 and sunset at 19:35. On the last day of the month, sunrise is at 07:01 and sunset at 18:51 +03.

Sunshine

In September, the average sunshine is 9.1h.

UV index

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 during September translates into the following guidance:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be wary! Reflections from sand and water make UV radiation more intense.