Connecticut typically experiences a shift from summer to autumn during September. Average temperatures gradually decrease throughout the month, with highs ranging from the low 70s Fahrenheit (low 20s Celsius) at the beginning of the month to the mid-60s Fahrenheit (high teens Celsius) by the end. Overnight lows follow a similar trend, moving from the mid-50s Fahrenheit (low teens Celsius) to the mid-40s Fahrenheit (single-digit Celsius). This period marks a decrease in humidity and generally pleasant, crisp air.
Understanding the climatological trends of this transition is important for residents, tourists, and businesses. The shift in temperature influences outdoor activities, agricultural practices, and energy consumption. Historically, September’s mild weather in the region provided ideal conditions for the harvest of important crops. Furthermore, the transition offers a vibrant display of fall foliage, attracting tourists and boosting local economies.
