In September, Sao Caetano do Sul typically sees daytime highs of 24.7°C and overnight lows around 14.5°C. Compared to the annual average high of 25.6°C, September runs -0.9°C.
September in Sao Caetano do Sul averages a daytime high of 24.7°C and an overnight low of 14.5°C.
September runs -0.9°C compared to Sao Caetano do Sul's annual average high of 25.6°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 24.7°C and cooler evenings around 14.5°C.