In September, Redlands typically sees daytime highs of 29.8°C and overnight lows around 12.7°C. Compared to the annual average high of 22.7°C, September runs +7.2°C.
September in Redlands averages a daytime high of 29.8°C and an overnight low of 12.7°C.
September runs +7.2°C compared to Redlands's annual average high of 22.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.8°C and cooler evenings around 12.7°C.