In September, Oakland typically sees daytime highs of 24.2°C and overnight lows around 12.0°C. Compared to the annual average high of 19.2°C, September runs +5.0°C.
September in Oakland averages a daytime high of 24.2°C and an overnight low of 12.0°C.
September runs +5.0°C compared to Oakland's annual average high of 19.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 24.2°C and cooler evenings around 12.0°C.