September in Arsuz averages a daily high of 31°C with nights around 24.5°C. Expect roughly 7.2 wet days totalling 62.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Arsuz is April–June.
Based on ISKENDERUN, TU (29.5km), 1995–2024. 21 years of September data.