Hottest and Coldest Temperatures Ever in Boston on September 04

On September 4th in Boston, the temperature reached a maximum of 93.9°F in 1973, making it the hottest recorded temperature on this date. Conversely, the coldest temperature was 52.0°F in 1965. The average temperature for this day is typically 69.20°F, with an average high of 73.64°F and an average low of 64.76°F. In 1973, coinciding with the hottest temperature recorded on September 4th, the Boston Marathon allowed women to officially participate for the first time, marking a significant milestone in the event's history.