In September, Caltanissetta typically sees daytime highs of 26.4°C and overnight lows around 17.3°C. Compared to the annual average high of 20.0°C, September runs +6.4°C.
September in Caltanissetta averages a daytime high of 26.4°C and an overnight low of 17.3°C.
September runs +6.4°C compared to Caltanissetta's annual average high of 20.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.4°C and cooler evenings around 17.3°C.