Hottest and Coldest Temperatures Ever in New York City on September 21

On September 21 in New York City, the temperature ranged from a scorching 88.0°F in 1980 to a chilly 39.0°F in 1956. The average temperature for this date settled at a pleasant 67.55°F, with an average high of 73.73°F and an average low of 61.37°F. In the past, the city has experienced extreme weather conditions on this day. Notably, in 1980, New Yorkers endured the highest temperature ever recorded, making it a hot and memorable day in urban history.