In September, Belawan typically sees daytime highs of 31.1°C and overnight lows around 23.2°C. Compared to the annual average high of 31.0°C, September runs +0.1°C.
September in Belawan averages a daytime high of 31.1°C and an overnight low of 23.2°C.
September runs +0.1°C compared to Belawan's annual average high of 31.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 23.2°C.