September 29, 2016; 12:20 PM ET
Thundery showers set to start this weekend will depart before the season's first National Football League game in London kicks off on Sunday. More >
It will feel like an extended winter for those living from the northern Plains to the eastern U.S., as cold and snowy conditions last longer than normal.
The final day of September will bring a rare lunar event that hasn’t occurred since March of 2014, a Black Moon.