In September, Los Andes typically sees daytime highs of 16.4°C and overnight lows around 3.8°C. Compared to the annual average high of 19.9°C, September runs -3.4°C.
September in Los Andes averages a daytime high of 16.4°C and an overnight low of 3.8°C.
September runs -3.4°C compared to Los Andes's annual average high of 19.9°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 16.4°C and cooler evenings around 3.8°C.