In September, Ha'il typically sees daytime highs of 37.0°C and overnight lows around 20.2°C. Compared to the annual average high of 28.7°C, September runs +8.3°C.
September in Ha'il averages a daytime high of 37.0°C and an overnight low of 20.2°C.
September runs +8.3°C compared to Ha'il's annual average high of 28.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 37.0°C and cooler evenings around 20.2°C.