In September, East York typically sees daytime highs of 21.2°C and overnight lows around 12.0°C. Compared to the annual average high of 12.3°C, September runs +8.9°C.
September in East York averages a daytime high of 21.2°C and an overnight low of 12.0°C.
September runs +8.9°C compared to East York's annual average high of 12.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 21.2°C and cooler evenings around 12.0°C.