In September, Rio Gallegos typically sees daytime highs of 10.7°C and overnight lows around 0.7°C. Compared to the annual average high of 12.4°C, September runs -1.7°C.
September in Rio Gallegos averages a daytime high of 10.7°C and an overnight low of 0.7°C.
September runs -1.7°C compared to Rio Gallegos's annual average high of 12.4°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 10.7°C and cooler evenings around 0.7°C.