In September, Saskatoon typically sees daytime highs of 18.0°C and overnight lows around 4.6°C. Compared to the annual average high of 7.9°C, September runs +10.2°C.
September in Saskatoon averages a daytime high of 18.0°C and an overnight low of 4.6°C.
September runs +10.2°C compared to Saskatoon's annual average high of 7.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.0°C and cooler evenings around 4.6°C.