In September, Ajaccio typically sees daytime highs of 24.7°C and overnight lows around 16.8°C. Compared to the annual average high of 19.5°C, September runs +5.2°C.
September in Ajaccio averages a daytime high of 24.7°C and an overnight low of 16.8°C.
September runs +5.2°C compared to Ajaccio's annual average high of 19.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 24.7°C and cooler evenings around 16.8°C.