In September, Islampur typically sees daytime highs of 31.3°C and overnight lows around 24.7°C. Compared to the annual average high of 29.7°C, September runs +1.6°C.
September in Islampur averages a daytime high of 31.3°C and an overnight low of 24.7°C.
September runs +1.6°C compared to Islampur's annual average high of 29.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.3°C and cooler evenings around 24.7°C.