In September, Salem typically sees daytime highs of 24.8°C and overnight lows around 9.2°C. Compared to the annual average high of 17.2°C, September runs +7.5°C.
September in Salem averages a daytime high of 24.8°C and an overnight low of 9.2°C.
September runs +7.5°C compared to Salem's annual average high of 17.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 24.8°C and cooler evenings around 9.2°C.