In September, Franco da Rocha typically sees daytime highs of 24.5°C and overnight lows around 13.8°C. Compared to the annual average high of 25.0°C, September runs -0.5°C.
September in Franco da Rocha averages a daytime high of 24.5°C and an overnight low of 13.8°C.
September runs -0.5°C compared to Franco da Rocha's annual average high of 25.0°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 24.5°C and cooler evenings around 13.8°C.