Hottest and Coldest Temperatures Ever in Washington DC on September 29

On September 29th in Washington D.C., the hottest temperature on record was 93.0°F in 1954, while the coldest temperature reached 44.1°F in 1951. The average temperature for this date stands at 65.25°F, with an average high of 70.23°F and an average low of 60.26°F. An interesting news item from the years mentioned is that in 1957, the International Atomic Energy Agency (IAEA) was established to promote safe and peaceful use of nuclear energy worldwide.