In September, Los Angeles typically sees daytime highs of 16.3°C and overnight lows around 5.3°C. Compared to the annual average high of 19.7°C, September runs -3.4°C.
September in Los Angeles averages a daytime high of 16.3°C and an overnight low of 5.3°C.
September runs -3.4°C compared to Los Angeles's annual average high of 19.7°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 16.3°C and cooler evenings around 5.3°C.