In September, Chivilcoy typically sees daytime highs of 19.7°C and overnight lows around 6.8°C. Compared to the annual average high of 22.7°C, September runs -3.0°C.
September in Chivilcoy averages a daytime high of 19.7°C and an overnight low of 6.8°C.
September runs -3.0°C compared to Chivilcoy's annual average high of 22.7°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 19.7°C and cooler evenings around 6.8°C.