In September, Orleans typically sees daytime highs of 21.4°C and overnight lows around 10.0°C. Compared to the annual average high of 15.3°C, September runs +6.1°C.
September in Orleans averages a daytime high of 21.4°C and an overnight low of 10.0°C.
September runs +6.1°C compared to Orleans's annual average high of 15.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 21.4°C and cooler evenings around 10.0°C.