In September, Copiapo typically sees daytime highs of 21.2°C and overnight lows around 7.8°C. Compared to the annual average high of 22.8°C, September runs -1.6°C.
September in Copiapo averages a daytime high of 21.2°C and an overnight low of 7.8°C.
September runs -1.6°C compared to Copiapo's annual average high of 22.8°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 21.2°C and cooler evenings around 7.8°C.