In September, Santa Marta typically sees daytime highs of 28.9°C and overnight lows around 22.3°C. Compared to the annual average high of 28.4°C, September runs +0.4°C.
September in Santa Marta averages a daytime high of 28.9°C and an overnight low of 22.3°C.
September runs +0.4°C compared to Santa Marta's annual average high of 28.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 28.9°C and cooler evenings around 22.3°C.