Hottest and Coldest Temperatures Ever in Washington DC on September 19

On September 19th, Washington D.C. experienced varying temperatures throughout history. The highest temperature ever recorded on this date was 93.9°F in 1978, while the coldest temperature reached a chilly 48.0°F in 1959. The average temperature for this day is 69.54°F, with an average high of 73.85°F and an average low of 65.24°F. Interestingly, in 1978, amidst a warm September day, a major news story made headlines as U.S. President Jimmy Carter helped broker the Camp David Accords between Israel and Egypt, marking a significant step towards peace in the Middle East.