In September, Santa Lucia Cotzumalguapa typically sees daytime highs of 30.4°C and overnight lows around 20.8°C. Compared to the annual average high of 31.6°C, September runs -1.2°C.
September in Santa Lucia Cotzumalguapa averages a daytime high of 30.4°C and an overnight low of 20.8°C.
September runs -1.2°C compared to Santa Lucia Cotzumalguapa's annual average high of 31.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 20.8°C.