Hottest and Coldest Temperatures Ever in Allentown on September 02

On September 2nd in Allentown, the temperature ranged from a scorching 99.0°F in 1953 to a chilly 44.1°F in 2001. The average temperature for this date is 70.49°F, with an average high of 75.64°F and an average low of 65.34°F. Looking back, an interesting news item from the past is that in 1953, the same year the record high was set, the discovery of the structure of DNA was announced by James Watson and Francis Crick, paving the way for revolutionary advancements in genetics and biology.