Hottest and Coldest Temperatures Ever in Washington DC on September 11

On September 11th in Washington D.C., the temperature has varied quite significantly over the years. The highest recorded temperature occurred in 1983, reaching a scorching 98.1°F, while the coldest temperature was observed in 1967, dropping to a chilly 48.9°F. On average, the temperature for this date is 72.17°F, with a typical high of 76.22°F and a low of 68.12°F. In an intriguing news item from history, in 1983, the same year as the recorded hottest temperature, Sally Ride became the first American woman to travel to space, marking a significant milestone in space exploration.