In September, Koch Bihar typically sees daytime highs of 31.3°C and overnight lows around 24.9°C. Compared to the annual average high of 29.6°C, September runs +1.7°C.
September in Koch Bihar averages a daytime high of 31.3°C and an overnight low of 24.9°C.
September runs +1.7°C compared to Koch Bihar's annual average high of 29.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.3°C and cooler evenings around 24.9°C.