In September, Erie typically sees daytime highs of 22.2°C and overnight lows around 12.9°C. Compared to the annual average high of 13.5°C, September runs +8.7°C.
September in Erie averages a daytime high of 22.2°C and an overnight low of 12.9°C.
September runs +8.7°C compared to Erie's annual average high of 13.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 22.2°C and cooler evenings around 12.9°C.