The #1 alternative song on September 21, 2015

Ex's and Oh's By Elle King

Other #1 songs on September 21, 2015

#1 Hit Song

Can't Feel My Face
The Weeknd

UK #1 Song

What Do You Mean?
Justin Bieber

#1 R&B Song

Can't Feel My Face
The Weeknd

#1 Country Song

House Party
Sam Hunt

#1 Dance Track

Something Better
Audien featuring Lady Antebellum

Notable September 21 birthdays in the 2010s

Leah Rose Clements
Model
Born September 21, 2010

Omar the Maine Coon
Cat
Born September 21, 2013