In September, Barra Mansa typically sees daytime highs of 26.4°C and overnight lows around 15.7°C. Compared to the annual average high of 27.1°C, September runs -0.7°C.
September in Barra Mansa averages a daytime high of 26.4°C and an overnight low of 15.7°C.
September runs -0.7°C compared to Barra Mansa's annual average high of 27.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 26.4°C and cooler evenings around 15.7°C.