In September, Harrisonburg typically sees daytime highs of 25.7°C and overnight lows around 12.3°C. Compared to the annual average high of 18.4°C, September runs +7.2°C.
September in Harrisonburg averages a daytime high of 25.7°C and an overnight low of 12.3°C.
September runs +7.2°C compared to Harrisonburg's annual average high of 18.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.7°C and cooler evenings around 12.3°C.