In September, Carlisle typically sees daytime highs of 15.8°C and overnight lows around 8.4°C. Compared to the annual average high of 11.7°C, September runs +4.1°C.
September in Carlisle averages a daytime high of 15.8°C and an overnight low of 8.4°C.
September runs +4.1°C compared to Carlisle's annual average high of 11.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 15.8°C and cooler evenings around 8.4°C.