In September, Santa Barbara typically sees daytime highs of 26.3°C and overnight lows around 13.0°C. Compared to the annual average high of 22.0°C, September runs +4.3°C.
September in Santa Barbara averages a daytime high of 26.3°C and an overnight low of 13.0°C.
September runs +4.3°C compared to Santa Barbara's annual average high of 22.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 26.3°C and cooler evenings around 13.0°C.