In September, Edmonton typically sees daytime highs of 16.8°C and overnight lows around 4.4°C. Compared to the annual average high of 8.3°C, September runs +8.5°C.
September in Edmonton averages a daytime high of 16.8°C and an overnight low of 4.4°C.
September runs +8.5°C compared to Edmonton's annual average high of 8.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 16.8°C and cooler evenings around 4.4°C.