In September, Newport typically sees daytime highs of 17.6°C and overnight lows around 10.2°C. Compared to the annual average high of 13.2°C, September runs +4.4°C.
September in Newport averages a daytime high of 17.6°C and an overnight low of 10.2°C.
September runs +4.4°C compared to Newport's annual average high of 13.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 17.6°C and cooler evenings around 10.2°C.