In September, Council Bluffs typically sees daytime highs of 25.2°C and overnight lows around 11.6°C. Compared to the annual average high of 16.4°C, September runs +8.8°C.
September in Council Bluffs averages a daytime high of 25.2°C and an overnight low of 11.6°C.
September runs +8.8°C compared to Council Bluffs's annual average high of 16.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.2°C and cooler evenings around 11.6°C.