September 2017 produced 17 #1s across six music shows, shared by 6 artists and 7 songs.
The most wins went to BTS (4), followed by Exo (4) and Sunmi (4).
The most-awarded song was “Gashina” by Sunmi with 4 wins on 3 shows, then “Power” with 4.
No song swept five or more shows.
First-ever music show wins went to Yoon Jong-shin — 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 |
|---|---|---|
| 2017-09-01 | Music Bank | Like ItYoon Jong-shin |
| 2017-09-03 | Inkigayo | GashinaSunmi |
| 2017-09-05 | The Show | We Young— |
| 2017-09-06 | Show Champion | GashinaSunmi |
| 2017-09-07 | M Countdown | GashinaSunmi |
| 2017-09-12 | The Show | Power— |
| 2017-09-13 | Show Champion | PowerExo |
| 2017-09-14 | M Countdown | PowerExo |
| 2017-09-15 | Music Bank | PowerExo |
| 2017-09-17 | Inkigayo | PowerExo |
| 2017-09-19 | The Show | Summer RainGFriend |
| 2017-09-21 | M Countdown | Summer RainGFriend |
| 2017-09-24 | Inkigayo | GashinaSunmi |
| 2017-09-26 | The Show | DNABTS |
| 2017-09-27 | Show Champion | DNABTS |
| 2017-09-28 | M Countdown | DNABTS |
| 2017-09-29 | Music Bank | DNABTS |