In September, Eastleigh typically sees daytime highs of 18.1°C and overnight lows around 10.7°C. Compared to the annual average high of 13.4°C, September runs +4.6°C.
September in Eastleigh averages a daytime high of 18.1°C and an overnight low of 10.7°C.
September runs +4.6°C compared to Eastleigh's annual average high of 13.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 10.7°C.