In September, Kingston typically sees daytime highs of 20.3°C and overnight lows around 11.8°C. Compared to the annual average high of 11.5°C, September runs +8.9°C.
September in Kingston averages a daytime high of 20.3°C and an overnight low of 11.8°C.
September runs +8.9°C compared to Kingston's annual average high of 11.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 20.3°C and cooler evenings around 11.8°C.