Top 40 Hits of September 1978
| 1 | The Commodores | Three Times A Lady |
| 2 | 10cc | Dreadlock Holiday |
| 3 | Boney M | Rivers Of Babylon / Brown Girl In The Ring |
| 4 | Darts | It's Raining |
| 5 | David Essex | Oh What A Circus |
| 6 | Jilted John | Jilted John |
| 7 | John Travolta & Olivia Newton-John | You're The One That I Want |
| 8 | Exile | Kiss You All Over |
| 9 | Frankie Valli | Grease |
| 10 | Siouxsie & The Banshees | Hong Kong Garden |
| 11 | Hi Tension | British Hustle |
| 12 | John Travolta & Olivia Newton-John | Summer Nights |
| 13 | Cerrone | Super Nature |
| 14 | Andy Gibb | An Everlasting Love |
| 15 | Blondie | Picture This |
| 16 | Child | It's Only Make Believe |
| 17 | The Motors | Forget About You |
| 18 | Status Quo | Again And Again |
| 19 | The Rezillos | Top Of The Pops |
| 20 | Justin Hayward | Forever Autumn |
| 21 | Abba | Summer Night City |
| 22 | Bob Dylan | Baby Stop Crying |
| 23 | Herbie Hancock | I Thought It Was You |
| 24 | Sylvester | You Make Me Feel (Mighty Real) |
| 25 | Rose Royce | Love Don't Live Here Anymore |
| 26 | A Taste Of Honey | Boogie Oogie Oogie |
| 27 | The Who | Who Are You |
| 28 | The Jam | David Watts / 'A' Bomb In Wardour Street |
| 29 | Clout | Substitute |
| 30 | The Dooleys | A Rose Has To Die |
| 31 | Crown Heights Affair | Galaxy Of Love |
| 32 | Renaissance | Northern Lights |
| 33 | Hylda Baker & Arthur Mullard | You're The One That I Want |
| 34 | Crystal Gayle | Talking In Your Sleep |
| 35 | Meat Loaf | Two Out Of Three Ain't Bad |
| 36 | City Boy | 5-7-0-5 |
| 37 | The Stranglers | Walk On By |
| 38 | Sham 69 | If The Kids Are United |
| 39 | Patrick Juvet | Got A Feeling |
| 40 | Ivor Biggun | The Winker's Song (Misprint) |