In four weeks on Monday, September 19 the sun will be setting at 6:56 pm, which is 48 minutes earlier then today. It will be third to last day of “calendar” summer (Autumn arrives Thursday, September 22, 2016 at 10:21 AM EDT).

The average high is 71 degrees, and the record for that date is 90 degrees was set back in 1946. Back in 1959, the temperature dropped down to 32 degrees (freezing!)