In September, Chesapeake typically sees daytime highs of 27.1°C and overnight lows around 17.2°C. Compared to the annual average high of 20.6°C, September runs +6.6°C.
September in Chesapeake averages a daytime high of 27.1°C and an overnight low of 17.2°C.
September runs +6.6°C compared to Chesapeake's annual average high of 20.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.1°C and cooler evenings around 17.2°C.