In September, La Plata typically sees daytime highs of 18.2°C and overnight lows around 8.2°C. Compared to the annual average high of 21.5°C, September runs -3.3°C.
September in La Plata averages a daytime high of 18.2°C and an overnight low of 8.2°C.
September runs -3.3°C compared to La Plata's annual average high of 21.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 8.2°C.