In September, Heroica Matamoros typically sees daytime highs of 32.8°C and overnight lows around 22.6°C. Compared to the annual average high of 28.7°C, September runs +4.2°C.
September in Heroica Matamoros averages a daytime high of 32.8°C and an overnight low of 22.6°C.
September runs +4.2°C compared to Heroica Matamoros's annual average high of 28.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 32.8°C and cooler evenings around 22.6°C.