September 2018 produced 16 #1s across six music shows, shared by 6 artists and 6 songs.
The most wins went to Got7 (5), followed by Sunmi (5) and BTS (2).
The most-awarded song was “Siren” by Sunmi with 5 wins on 5 shows, then “Lullaby” with 5.
Songs that swept five or more shows: “Siren”, “Lullaby”.
First-ever music show wins went to Nam Woo-hyun — 1 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 |
|---|---|---|
| 2018-09-02 | Inkigayo | IdolBTS |
| 2018-09-04 | The Show | Hann (Alone)(G)I-dle |
| 2018-09-05 | Show Champion | IdolBTS |
| 2018-09-06 | M Countdown | Hann (Alone)(G)I-dle |
| 2018-09-11 | The Show | If Only You Are FineNam Woo-hyun |
| 2018-09-13 | M Countdown | SirenSunmi |
| 2018-09-18 | The Show | Remember MeOh My Girl |
| 2018-09-19 | Show Champion | SirenSunmi |
| 2018-09-21 | Music Bank | SirenSunmi |
| 2018-09-22 | Show! Music Core | SirenSunmi |
| 2018-09-23 | Inkigayo | SirenSunmi |
| 2018-09-25 | The Show | LullabyGot7 |
| 2018-09-27 | M Countdown | LullabyGot7 |
| 2018-09-28 | Music Bank | LullabyGot7 |
| 2018-09-29 | Show! Music Core | LullabyGot7 |
| 2018-09-30 | Inkigayo | LullabyGot7 |