In September, Santa Clarita typically sees daytime highs of 29.6°C and overnight lows around 14.7°C. Compared to the annual average high of 23.1°C, September runs +6.5°C.
September in Santa Clarita averages a daytime high of 29.6°C and an overnight low of 14.7°C.
September runs +6.5°C compared to Santa Clarita's annual average high of 23.1°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.6°C and cooler evenings around 14.7°C.