In September, Bossier City typically sees daytime highs of 31.1°C and overnight lows around 18.2°C. Compared to the annual average high of 24.5°C, September runs +6.6°C.
September in Bossier City averages a daytime high of 31.1°C and an overnight low of 18.2°C.
September runs +6.6°C compared to Bossier City's annual average high of 24.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 18.2°C.