The #1 on M Countdown on 2018-09-13 was “Siren” by Sunmi — win No. 1 for the song and career win No. 9 for Sunmi (No. 3 on this show).
“Siren” has 5 music show wins in total: 2018-09-13 M Countdown, 2018-09-19 Show Champion, 2018-09-21 Music Bank, 2018-09-22 Show! Music Core, 2018-09-23 Inkigayo. Sunmi had 4 wins in 2018 up to this date, and this was win No. 3 on M Countdown. The previous week's M Countdown #1 was “Hann” by (G)I-dle. The other shows that week went to The Show: “If Only You Are Fine” by Nam Woo-hyun. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-09-11 | The Show | If Only You Are FineNam Woo-hyun | ★ #1 |
| 2018-09-13 | M Countdown | SirenSunmi | ★ #1 |