Hottest and Coldest Temperatures Ever in Philadelphia on September 17

On September 17 in Philadelphia, a range of weather conditions has been observed throughout history. The highest temperature ever recorded on this date was 93.9°F in 1991, while the coldest temperature occurred in 1959, plummeting to 44.1°F. On average, September 17 experiences a temperature of 67.63°F, with a typical high of 72.51°F and a low of 62.76°F. In more news from the past, 1991 witnessed the release of the classic film "The Silence of the Lambs," which won numerous awards and became a cultural phenomenon.