In September, Santana de Parnaiba typically sees daytime highs of 24.8°C and overnight lows around 13.8°C. Compared to the annual average high of 25.2°C, September runs -0.4°C.
September in Santana de Parnaiba averages a daytime high of 24.8°C and an overnight low of 13.8°C.
September runs -0.4°C compared to Santana de Parnaiba's annual average high of 25.2°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 24.8°C and cooler evenings around 13.8°C.