In September, Jupiter typically sees daytime highs of 30.9°C and overnight lows around 23.5°C. Compared to the annual average high of 27.6°C, September runs +3.3°C.
September in Jupiter averages a daytime high of 30.9°C and an overnight low of 23.5°C.
September runs +3.3°C compared to Jupiter's annual average high of 27.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.9°C and cooler evenings around 23.5°C.