September in Zadar averages a daily high of 24.9°C with nights around 17.1°C. Expect roughly 8.3 wet days totalling 121.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Zadar is May–July.
Based on ZADAR, HR (2.2km), 1995–2024. 29 years of September data.