In September, Longview typically sees daytime highs of 31.0°C and overnight lows around 18.2°C. Compared to the annual average high of 24.4°C, September runs +6.6°C.
September in Longview averages a daytime high of 31.0°C and an overnight low of 18.2°C.
September runs +6.6°C compared to Longview's annual average high of 24.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.0°C and cooler evenings around 18.2°C.