Hottest and Coldest Temperatures Ever in New York City on September 18

On September 18th in New York City, weather historically fluctuated between a scorching 90.0°F in 1992 and a chilly 43.0°F in 1959. The average temperature for this date rests at 67.94°F, with an average high of 73.31°F and an average low of 62.58°F. Adding an intriguing anecdote, in 1959 when the coldest temperature was recorded, the famous Solomon R. Guggenheim Museum officially opened its doors in New York City, showcasing its distinctive spiral architecture designed by Frank Lloyd Wright.