In September, Vila Nova de Gaia typically sees daytime highs of 23.4°C and overnight lows around 14.1°C. Compared to the annual average high of 18.6°C, September runs +4.8°C.
September in Vila Nova de Gaia averages a daytime high of 23.4°C and an overnight low of 14.1°C.
September runs +4.8°C compared to Vila Nova de Gaia's annual average high of 18.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 23.4°C and cooler evenings around 14.1°C.