In September, Fianarantsoa typically sees daytime highs of 23.1°C and overnight lows around 10.8°C. Compared to the annual average high of 24.1°C, September runs -1.0°C.
September in Fianarantsoa averages a daytime high of 23.1°C and an overnight low of 10.8°C.
September runs -1.0°C compared to Fianarantsoa's annual average high of 24.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 23.1°C and cooler evenings around 10.8°C.