September in Ilidža averages a daily high of 22.5°C with nights around 10.4°C. Expect roughly 10.8 wet days totalling 92.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ilidža is May–October.
Based on SARAJEVO, BK (10.1km), 1995–2024. 30 years of September data.