Hottest and Coldest Temperatures Ever in Boston on September 22

On September 22nd in Boston, the weather can range from scorching highs to chilly lows. The hottest temperature ever recorded was 91.0°F in 1970, while the coldest temperature ever recorded was 42.1°F in 1962. As for the averages, the temperature sits comfortably in-between, with an average temperature of 63.82°F, an average high temperature of 69.51°F, and an average low temperature of 58.13°F. In the year 1970, when the highest temperature occurred, an interesting news item was the introduction of floppy disks, revolutionary storage devices that began replacing punched cards for data storage.