September in Ajaccio averages a daily high of 26.3°C with nights around 15.6°C. Expect roughly 6.6 wet days totalling 54.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ajaccio is May–October.
Based on AJACCIO, FR (4.5km), 1995–2024. 30 years of September data.