Weather in September
September signals the end of peak season in
Trogir but the city remains warm, capturing the essence of a late summer. Although the sea temperature regresses slightly to 23.8°C (74.8°F), it remains warm enough for swimming. A mild decrease in temperature and daylight hours hint at the arrival of autumn, yet the weather stays largely enjoyable. With the departure of the peak-season crowds, the city transitions into a peaceful haven with a mellow charm.
Temperature
As
August transitions into September, Trogir sees a gentle drop in the average high-temperature, transitioning from a warm 29°C (84.2°F) to a still moderately hot 25°C (77°F). Trogir usually reports an average low-temperature of 15°C (59°F) during the month of September.
Sea temperature
In Trogir, the average seawater temperature in September is 23.8°C (74.8°F).
Note: If someone is sensitive to cold, the enjoyment of swimming in 23.8°C (74.8°F) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day in Trogir is 12h and 30min.
On the first day of September, sunrise is at 06:19 and sunset at 19:30. On the last day of the month, sunrise is at 06:51 and sunset at 18:37 CEST.