The #1 song in the UK on September 21, 2015

What Do You Mean? By Justin Bieber

Other #1 songs on September 21, 2015

#1 Hit Song

Can't Feel My Face
The Weeknd

#1 R&B Song

Can't Feel My Face
The Weeknd

#1 Country Song

House Party
Sam Hunt

#1 Alternative Hit

Ex's and Oh's
Elle King

#1 Dance Track

Something Better
Audien featuring Lady Antebellum

Notable September 21 birthdays in the 2010s

Ellarose Kaylor
Movie Actress
Born September 21, 2010
Omar the Maine Coon
Cat
Born September 21, 2013