In September, Castellammare di Stabia typically sees daytime highs of 26.4°C and overnight lows around 18.2°C. Compared to the annual average high of 20.8°C, September runs +5.6°C.
September in Castellammare di Stabia averages a daytime high of 26.4°C and an overnight low of 18.2°C.
September runs +5.6°C compared to Castellammare di Stabia's annual average high of 20.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 26.4°C and cooler evenings around 18.2°C.