In September, Nice typically sees daytime highs of 23.7°C and overnight lows around 17.6°C. Compared to the annual average high of 18.5°C, September runs +5.2°C.
September in Nice averages a daytime high of 23.7°C and an overnight low of 17.6°C.
September runs +5.2°C compared to Nice's annual average high of 18.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 23.7°C and cooler evenings around 17.6°C.