In September, Geelong typically sees daytime highs of 15.9°C and overnight lows around 7.3°C. Compared to the annual average high of 18.7°C, September runs -2.8°C.
September in Geelong averages a daytime high of 15.9°C and an overnight low of 7.3°C.
September runs -2.8°C compared to Geelong's annual average high of 18.7°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 15.9°C and cooler evenings around 7.3°C.