Hottest and Coldest Temperatures Ever in Boston on September 16

On September 16th, Boston experienced varying temperatures throughout history. The hottest temperature ever recorded on this day was a scorching 90.0°F in 1991, while the coldest temperature dipped to a brisk 42.1°F in 1984. On average, the temperature settled at 63.68°F, with a typical high of 68.56°F and low of 58.80°F. During these years, an interesting news item took place in 1991, when the Boston Celtics celebrated their 16th NBA championship victory, marking a significant milestone in the team's history.