In September, Adelaide Hills typically sees daytime highs of 17.6°C and overnight lows around 8.2°C. Compared to the annual average high of 21.1°C, September runs -3.5°C.
September in Adelaide Hills averages a daytime high of 17.6°C and an overnight low of 8.2°C.
September runs -3.5°C compared to Adelaide Hills's annual average high of 21.1°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 17.6°C and cooler evenings around 8.2°C.