In September, Troyes typically sees daytime highs of 20.8°C and overnight lows around 9.6°C. Compared to the annual average high of 14.8°C, September runs +6.0°C.
September in Troyes averages a daytime high of 20.8°C and an overnight low of 9.6°C.
September runs +6.0°C compared to Troyes's annual average high of 14.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 20.8°C and cooler evenings around 9.6°C.