In September, Serpong typically sees daytime highs of 32.2°C and overnight lows around 21.9°C. Compared to the annual average high of 31.2°C, September runs +1.0°C.
September in Serpong averages a daytime high of 32.2°C and an overnight low of 21.9°C.
September runs +1.0°C compared to Serpong's annual average high of 31.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 32.2°C and cooler evenings around 21.9°C.