In September, Richmond typically sees daytime highs of 27.4°C and overnight lows around 15.3°C. Compared to the annual average high of 20.5°C, September runs +6.9°C.
September in Richmond averages a daytime high of 27.4°C and an overnight low of 15.3°C.
September runs +6.9°C compared to Richmond's annual average high of 20.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.4°C and cooler evenings around 15.3°C.