In September, Rengasdengklok typically sees daytime highs of 32.0°C and overnight lows around 23.1°C. Compared to the annual average high of 31.1°C, September runs +0.9°C.
September in Rengasdengklok averages a daytime high of 32.0°C and an overnight low of 23.1°C.
September runs +0.9°C compared to Rengasdengklok's annual average high of 31.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 32.0°C and cooler evenings around 23.1°C.