In September, Beirut typically sees daytime highs of 29.2°C and overnight lows around 22.4°C. Compared to the annual average high of 23.7°C, September runs +5.5°C.
September in Beirut averages a daytime high of 29.2°C and an overnight low of 22.4°C.
September runs +5.5°C compared to Beirut's annual average high of 23.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 22.4°C.