In September, Le Mans typically sees daytime highs of 21.0°C and overnight lows around 10.6°C. Compared to the annual average high of 15.3°C, September runs +5.7°C.
September in Le Mans averages a daytime high of 21.0°C and an overnight low of 10.6°C.
September runs +5.7°C compared to Le Mans's annual average high of 15.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 21.0°C and cooler evenings around 10.6°C.