Hottest and Coldest Temperatures Ever in Allentown on September 01

On September 1st in Allentown, the weather varied significantly over the years. The hottest recorded temperature on this date was a scorching 97.0°F in 1980, while the coldest temperature ever recorded was a chilly 42.1°F in 1967. On average, the temperature for September 1st hovers around 70.78°F, with an average high of 75.52°F and an average low of 66.03°F. Interestingly, in 1980, the year with the highest recorded temperature, the world's first space shuttle, the Columbia, made its maiden flight, marking a significant milestone in space exploration.