In September, Napier typically sees daytime highs of 14.9°C and overnight lows around 6.0°C. Compared to the annual average high of 17.5°C, September runs -2.6°C.
September in Napier averages a daytime high of 14.9°C and an overnight low of 6.0°C.
September runs -2.6°C compared to Napier's annual average high of 17.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 14.9°C and cooler evenings around 6.0°C.