In September, San Fernando typically sees daytime highs of 30.9°C and overnight lows around 23.9°C. Compared to the annual average high of 31.5°C, September runs -0.6°C.
September in San Fernando averages a daytime high of 30.9°C and an overnight low of 23.9°C.
September runs -0.6°C compared to San Fernando's annual average high of 31.5°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 30.9°C and cooler evenings around 23.9°C.