In September, Sao Carlos typically sees daytime highs of 27.3°C and overnight lows around 14.5°C. Compared to the annual average high of 26.4°C, September runs +0.9°C.
September in Sao Carlos averages a daytime high of 27.3°C and an overnight low of 14.5°C.
September runs +0.9°C compared to Sao Carlos's annual average high of 26.4°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 27.3°C and cooler evenings around 14.5°C.