In September, Parsippany typically sees daytime highs of 24.2°C and overnight lows around 11.7°C. Compared to the annual average high of 16.1°C, September runs +8.1°C.
September in Parsippany averages a daytime high of 24.2°C and an overnight low of 11.7°C.
September runs +8.1°C compared to Parsippany's annual average high of 16.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 24.2°C and cooler evenings around 11.7°C.