In September, San Pedro typically sees daytime highs of 23.9°C and overnight lows around 16.4°C. Compared to the annual average high of 20.6°C, September runs +3.3°C.
September in San Pedro averages a daytime high of 23.9°C and an overnight low of 16.4°C.
September runs +3.3°C compared to San Pedro's annual average high of 20.6°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 23.9°C and cooler evenings around 16.4°C.