In September, East Hartford typically sees daytime highs of 23.6°C and overnight lows around 10.5°C. Compared to the annual average high of 15.7°C, September runs +7.9°C.
September in East Hartford averages a daytime high of 23.6°C and an overnight low of 10.5°C.
September runs +7.9°C compared to East Hartford's annual average high of 15.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 23.6°C and cooler evenings around 10.5°C.