In September, Aix-en-Provence typically sees daytime highs of 25.0°C and overnight lows around 12.5°C. Compared to the annual average high of 18.8°C, September runs +6.2°C.
September in Aix-en-Provence averages a daytime high of 25.0°C and an overnight low of 12.5°C.
September runs +6.2°C compared to Aix-en-Provence's annual average high of 18.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.0°C and cooler evenings around 12.5°C.