In September, Sumbawa Besar typically sees daytime highs of 32.2°C and overnight lows around 22.1°C. Compared to the annual average high of 31.3°C, September runs +0.9°C.
September in Sumbawa Besar averages a daytime high of 32.2°C and an overnight low of 22.1°C.
September runs +0.9°C compared to Sumbawa Besar's annual average high of 31.3°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 32.2°C and cooler evenings around 22.1°C.