In September, Jember typically sees daytime highs of 29.2°C and overnight lows around 19.9°C. Compared to the annual average high of 29.6°C, September runs -0.5°C.
September in Jember averages a daytime high of 29.2°C and an overnight low of 19.9°C.
September runs -0.5°C compared to Jember's annual average high of 29.6°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 19.9°C.