In September, Birigui typically sees daytime highs of 30.3°C and overnight lows around 18.0°C. Compared to the annual average high of 29.1°C, September runs +1.2°C.
September in Birigui averages a daytime high of 30.3°C and an overnight low of 18.0°C.
September runs +1.2°C compared to Birigui's annual average high of 29.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 30.3°C and cooler evenings around 18.0°C.