In September, Richmond typically sees daytime highs of 18.6°C and overnight lows around 10.6°C. Compared to the annual average high of 13.6°C, September runs +5.0°C.
September in Richmond averages a daytime high of 18.6°C and an overnight low of 10.6°C.
September runs +5.0°C compared to Richmond's annual average high of 13.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.6°C and cooler evenings around 10.6°C.