In September, Dale City typically sees daytime highs of 26.5°C and overnight lows around 14.4°C. Compared to the annual average high of 19.1°C, September runs +7.4°C.
September in Dale City averages a daytime high of 26.5°C and an overnight low of 14.4°C.
September runs +7.4°C compared to Dale City's annual average high of 19.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.5°C and cooler evenings around 14.4°C.