In September, Yuba City typically sees daytime highs of 31.9°C and overnight lows around 13.8°C. Compared to the annual average high of 24.0°C, September runs +7.9°C.
September in Yuba City averages a daytime high of 31.9°C and an overnight low of 13.8°C.
September runs +7.9°C compared to Yuba City's annual average high of 24.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.9°C and cooler evenings around 13.8°C.