September in Arad averages a daily high of 24°C with nights around 11.4°C. Expect roughly 8.5 wet days totalling 54.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Arad is April–June.
Based on ARAD, RO (6.1km), 1995–2024. 30 years of September data.