In September, Curitiba typically sees daytime highs of 21.6°C and overnight lows around 11.0°C. Compared to the annual average high of 23.1°C, September runs -1.5°C.
September in Curitiba averages a daytime high of 21.6°C and an overnight low of 11.0°C.
September runs -1.5°C compared to Curitiba's annual average high of 23.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 21.6°C and cooler evenings around 11.0°C.