In September, Brantford typically sees daytime highs of 21.9°C and overnight lows around 9.6°C. Compared to the annual average high of 13.0°C, September runs +8.9°C.
September in Brantford averages a daytime high of 21.9°C and an overnight low of 9.6°C.
September runs +8.9°C compared to Brantford's annual average high of 13.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 21.9°C and cooler evenings around 9.6°C.