In September, Nnewi typically sees daytime highs of 29.5°C and overnight lows around 22.5°C. Compared to the annual average high of 31.5°C, September runs -2.1°C.
September in Nnewi averages a daytime high of 29.5°C and an overnight low of 22.5°C.
September runs -2.1°C compared to Nnewi's annual average high of 31.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 29.5°C and cooler evenings around 22.5°C.