In September, Grahamstown typically sees daytime highs of 22.1°C and overnight lows around 9.3°C. Compared to the annual average high of 23.8°C, September runs -1.8°C.
September in Grahamstown averages a daytime high of 22.1°C and an overnight low of 9.3°C.
September runs -1.8°C compared to Grahamstown's annual average high of 23.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 9.3°C.