Hottest and Coldest Temperatures Ever in Washington DC on September 25

On September 25th, Washington D.C. experienced a range of temperatures, with the hottest recorded temperature reaching 93.9°F in 1970 and the coldest recorded temperature dropping to 39.0°F in 1963. The average temperature for this date is 66.40°F, with the average high temperature at 71.55°F and the average low temperature at 61.26°F. In the year 1970, while Washington D.C. experienced its hottest temperature, an interesting news item occurred as the Environmental Protection Agency (EPA) was founded to protect human health and the environment, addressing concerns raised by rising temperatures and other environmental issues.