In September, Passo Fundo typically sees daytime highs of 21.8°C and overnight lows around 11.1°C. Compared to the annual average high of 23.9°C, September runs -2.1°C.
September in Passo Fundo averages a daytime high of 21.8°C and an overnight low of 11.1°C.
September runs -2.1°C compared to Passo Fundo's annual average high of 23.9°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 21.8°C and cooler evenings around 11.1°C.