In September, Antsiranana typically sees daytime highs of 29.6°C and overnight lows around 19.3°C. Compared to the annual average high of 30.2°C, September runs -0.5°C.
September in Antsiranana averages a daytime high of 29.6°C and an overnight low of 19.3°C.
September runs -0.5°C compared to Antsiranana's annual average high of 30.2°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 29.6°C and cooler evenings around 19.3°C.