Hottest and Coldest Temperatures Ever in New York City on September 23

On September 23rd in New York City, the weather has seen extremes in the past. In 1970, the temperature soared to a scorching 93.9°F, making it the hottest temperature ever recorded for this day. Conversely, in 1967, it dropped to a chilly 44.1°F, marking the coldest temperature ever recorded on September 23rd. On average, the temperature tends to be milder with an average of 66.13°F, a high of 73.38°F, and a low of 58.89°F. Interestingly, in 1970, when the highest temperature was recorded, an important news item was the opening of the New York City Subway's 6th Avenue Line, enhancing transportation options for commuters and residents alike.