In September, Biratnagar typically sees daytime highs of 31.4°C and overnight lows around 24.9°C. Compared to the annual average high of 29.9°C, September runs +1.5°C.
September in Biratnagar averages a daytime high of 31.4°C and an overnight low of 24.9°C.
September runs +1.5°C compared to Biratnagar's annual average high of 29.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.4°C and cooler evenings around 24.9°C.