September weather forecast
Sozopol, Bulgaria

September signals the onset of autumn in Sozopol, with temperatures showing a gradual decline compared to August. Pleasant day temperatures make it a favorable time for outdoor recreational activities and sightseeing. The sunlight remains generous, but shortened daylight hours hint at the impending winter. Despite the dipping temperatures, the sea stays warm, encouraging water activities till late September. This month is when the townsfolk prepare for the changing season.

Temperature

The commencement of September in Sozopol indicates a gentle shift in the average high-temperature, receding from August's warm 27°C (80.6°F) to a still moderately hot 24°C (75.2°F). Throughout the month of September, Sozopol expects an average low of 14°C (57.2°F).

Rainfall

In Sozopol, in September, it is raining for 4 days, with typically 35mm (1.38") of accumulated precipitation. In Sozopol, Bulgaria, during the entire year, the rain falls for 81 days and collects up to 568mm (22.36") of precipitation.

Sea temperature

In Sozopol, Bulgaria, the average seawater temperature in September is 22.8°C (73°F).
Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 22.8°C (73°F) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Sozopol, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:43. On the last day of September, sunrise is at 07:05 and sunset at 18:52 EEST.

Sunshine

In Sozopol, the average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index in Sozopol is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during September translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.