In September, Imperatriz typically sees daytime highs of 35.0°C and overnight lows around 21.4°C. Compared to the annual average high of 32.6°C, September runs +2.4°C.
September in Imperatriz averages a daytime high of 35.0°C and an overnight low of 21.4°C.
September runs +2.4°C compared to Imperatriz's annual average high of 32.6°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 35.0°C and cooler evenings around 21.4°C.