September 2012 produced 5 #1s across six music shows, shared by 4 artists and 4 songs.
The most wins went to Kara (2), followed by G-Dragon (1) and Psy (1).
The most-awarded song was “Pandora” by Kara with 2 wins on 2 shows, then “Gangnam Style” with 1.
No song swept five or more shows.
First-ever music show wins went to Kara, G-Dragon — 2 artists in total.
Counts are recomputed every morning from each show's published results (Wikipedia lists, CC BY-SA). Weeks without a broadcast or record are shown in grey; dates open episode pages.
| Date | Show | Song · Artist |
|---|---|---|
| 2012-09-07 | Music Bank | PandoraKara |
| 2012-09-13 | M Countdown | PandoraKara |
| 2012-09-14 | Music Bank | Gangnam StylePsy |
| 2012-09-20 | M Countdown | I WishF.T. Island |
| 2012-09-27 | M Countdown | CrayonG-Dragon |