In September, Supaul typically sees daytime highs of 31.5°C and overnight lows around 25.4°C. Compared to the annual average high of 30.0°C, September runs +1.4°C.
September in Supaul averages a daytime high of 31.5°C and an overnight low of 25.4°C.
September runs +1.4°C compared to Supaul's annual average high of 30.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 31.5°C and cooler evenings around 25.4°C.