In September, San Luis Potosi typically sees daytime highs of 24.4°C and overnight lows around 12.1°C. Compared to the annual average high of 24.7°C, September runs -0.3°C.
September in San Luis Potosi averages a daytime high of 24.4°C and an overnight low of 12.1°C.
September runs -0.3°C compared to San Luis Potosi's annual average high of 24.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 24.4°C and cooler evenings around 12.1°C.