In September, Sterling Heights typically sees daytime highs of 22.9°C and overnight lows around 11.1°C. Compared to the annual average high of 14.0°C, September runs +8.9°C.
September in Sterling Heights averages a daytime high of 22.9°C and an overnight low of 11.1°C.
September runs +8.9°C compared to Sterling Heights's annual average high of 14.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 22.9°C and cooler evenings around 11.1°C.