In September, Arlington typically sees daytime highs of 31.6°C and overnight lows around 19.3°C. Compared to the annual average high of 24.8°C, September runs +6.8°C.
September in Arlington averages a daytime high of 31.6°C and an overnight low of 19.3°C.
September runs +6.8°C compared to Arlington's annual average high of 24.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.6°C and cooler evenings around 19.3°C.