Hottest and Coldest Temperatures Ever in Washington DC on September 26

On September 26th in Washington D.C., the temperature varied significantly between the hottest recorded temperature of 93.0°F in 1970 and the coldest recorded temperature of 46.0°F in 1950. The average temperature for this date stands at 67.09°F, with an average high of 71.94°F and an average low of 62.24°F. In an interesting news item from the past, in 1970, the same year the hottest temperature was recorded, the world celebrated the first Earth Day to raise awareness about environmental issues and promote conservation efforts.