In September, Owerri typically sees daytime highs of 29.7°C and overnight lows around 22.5°C. Compared to the annual average high of 31.5°C, September runs -1.8°C.
September in Owerri averages a daytime high of 29.7°C and an overnight low of 22.5°C.
September runs -1.8°C compared to Owerri's annual average high of 31.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 29.7°C and cooler evenings around 22.5°C.