In September, Tecate typically sees daytime highs of 29.3°C and overnight lows around 13.1°C. Compared to the annual average high of 22.9°C, September runs +6.4°C.
September in Tecate averages a daytime high of 29.3°C and an overnight low of 13.1°C.
September runs +6.4°C compared to Tecate's annual average high of 22.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.3°C and cooler evenings around 13.1°C.