In September, Ipswich typically sees daytime highs of 18.4°C and overnight lows around 9.9°C. Compared to the annual average high of 13.3°C, September runs +5.1°C.
September in Ipswich averages a daytime high of 18.4°C and an overnight low of 9.9°C.
September runs +5.1°C compared to Ipswich's annual average high of 13.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.4°C and cooler evenings around 9.9°C.