In September, Puerto Vallarta typically sees daytime highs of 30.5°C and overnight lows around 19.7°C. Compared to the annual average high of 29.8°C, September runs +0.6°C.
September in Puerto Vallarta averages a daytime high of 30.5°C and an overnight low of 19.7°C.
September runs +0.6°C compared to Puerto Vallarta's annual average high of 29.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 30.5°C and cooler evenings around 19.7°C.