In September, Ourinhos typically sees daytime highs of 27.6°C and overnight lows around 16.3°C. Compared to the annual average high of 27.3°C, September runs +0.2°C.
September in Ourinhos averages a daytime high of 27.6°C and an overnight low of 16.3°C.
September runs +0.2°C compared to Ourinhos's annual average high of 27.3°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 27.6°C and cooler evenings around 16.3°C.