In September, Bahia Blanca typically sees daytime highs of 19.1°C and overnight lows around 4.9°C. Compared to the annual average high of 22.3°C, September runs -3.2°C.
September in Bahia Blanca averages a daytime high of 19.1°C and an overnight low of 4.9°C.
September runs -3.2°C compared to Bahia Blanca's annual average high of 22.3°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 19.1°C and cooler evenings around 4.9°C.