In September, Sousse typically sees daytime highs of 29.3°C and overnight lows around 20.6°C. Compared to the annual average high of 23.4°C, September runs +5.9°C.
September in Sousse averages a daytime high of 29.3°C and an overnight low of 20.6°C.
September runs +5.9°C compared to Sousse's annual average high of 23.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.3°C and cooler evenings around 20.6°C.