weather September 21, 2024 6:48 am Fall cool down coming right on schedule The season is about to change, but does that mean we’ll be leaving the heat behind soon? NBC10 First Alert Weather meteorologist Michelle Rotella explains. US & World Videos 2:45 A mixture of sun, clouds and rain chances this week 2:55 Fall-like conditions on the way as the season kicks off Sunday 3:07 Temperatures take a little tumble as we kick off fall this weekend 24:56 Warmer Saturday before temperatures drop for the start to fall 2:47 Abnormally dry for most of Philadelphia region, fall starts with cooler temperatures