In September, Corby typically sees daytime highs of 17.8°C and overnight lows around 9.6°C. Compared to the annual average high of 12.9°C, September runs +4.9°C.
September in Corby averages a daytime high of 17.8°C and an overnight low of 9.6°C.
September runs +4.9°C compared to Corby's annual average high of 12.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 9.6°C.