In September, Kottayam typically sees daytime highs of 31.1°C and overnight lows around 22.8°C. Compared to the annual average high of 32.5°C, September runs -1.3°C.
September in Kottayam averages a daytime high of 31.1°C and an overnight low of 22.8°C.
September runs -1.3°C compared to Kottayam's annual average high of 32.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 22.8°C.