September in Boston typically marks a transition from summer to autumn. Daily average temperatures generally decrease throughout the month, shifting from the low 70s Fahrenheit (low 20s Celsius) at the beginning to the low 60s Fahrenheit (mid-teens Celsius) by the end. This period often experiences a decrease in humidity and features crisp, sunny days alongside cool evenings. Rainfall is relatively consistent with other months, and while hurricane season is still active, direct impacts are less frequent than in earlier summer months.
Understanding typical climatic conditions for this period is valuable for a variety of purposes. Travelers can plan appropriate attire and activities, while residents can prepare for the changing season. Businesses, particularly those in tourism and outdoor recreation, benefit from anticipating customer needs based on predicted weather patterns. Historical weather data for September in Boston can offer valuable insights into potential variations and long-term trends, enabling better preparedness for both typical and unusual weather events. This information is also pertinent for sectors such as agriculture and event planning.