In September, Littlehampton typically sees daytime highs of 17.8°C and overnight lows around 10.9°C. Compared to the annual average high of 13.2°C, September runs +4.6°C.
September in Littlehampton averages a daytime high of 17.8°C and an overnight low of 10.9°C.
September runs +4.6°C compared to Littlehampton's annual average high of 13.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 10.9°C.