In September, Milton typically sees daytime highs of 20.8°C and overnight lows around 9.2°C. Compared to the annual average high of 12.0°C, September runs +8.8°C.
September in Milton averages a daytime high of 20.8°C and an overnight low of 9.2°C.
September runs +8.8°C compared to Milton's annual average high of 12.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 20.8°C and cooler evenings around 9.2°C.