In September, Rio do Sul typically sees daytime highs of 22.1°C and overnight lows around 12.6°C. Compared to the annual average high of 24.4°C, September runs -2.3°C.
September in Rio do Sul averages a daytime high of 22.1°C and an overnight low of 12.6°C.
September runs -2.3°C compared to Rio do Sul's annual average high of 24.4°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 12.6°C.