In September, Waterford typically sees daytime highs of 22.8°C and overnight lows around 10.8°C. Compared to the annual average high of 13.9°C, September runs +8.9°C.
September in Waterford averages a daytime high of 22.8°C and an overnight low of 10.8°C.
September runs +8.9°C compared to Waterford's annual average high of 13.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 22.8°C and cooler evenings around 10.8°C.