In September, Preston typically sees daytime highs of 15.7°C and overnight lows around 9.4°C. Compared to the annual average high of 11.5°C, September runs +4.2°C.
September in Preston averages a daytime high of 15.7°C and an overnight low of 9.4°C.
September runs +4.2°C compared to Preston's annual average high of 11.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 15.7°C and cooler evenings around 9.4°C.