Sometimes, Philadelphia experiences a transition from summer time to autumn throughout September. This era is characterised by progressively lowering temperatures, decrease humidity, and fewer sunlight hours. Common excessive temperatures fall from the low 80s Fahrenheit (round 28 levels Celsius) firstly of the month to the low 70s Fahrenheit (low 20s Celsius) by the tip. In a single day lows comply with an identical development, transferring from the mid-60s Fahrenheit (round 18 levels Celsius) to the mid-50s Fahrenheit (round 13 levels Celsius). Rainfall quantities stay comparatively in keeping with different months, averaging round 3-4 inches.
Understanding these typical circumstances is efficacious for planning a wide range of actions, from out of doors occasions and tourism to gardening and residential upkeep. Traditionally, this shift in local weather signaled the tip of the summer time rising season and the start of harvest preparations. This seasonal change additionally influenced native commerce and social actions, with festivals and markets adapting to the cooler climate. Making ready for the shift from summer time warmth to autumnal coolness contributes to consolation and security.