| Top 40 Hits of September 1990 |
| 1 |
Steve Miller Band | The Joker |
| 2 |
Maria McKee | Show Me Heaven |
| 3 |
Deee-Lite | Groove Is In The Heart / What Is Love |
| 4 |
Bombalurina | Itsy Bitsy Teeny Weeny Yellow Polka Dot Bikini |
| 5 |
Deacon Blue | Four Bacharach And David Songs (EP) |
| 6 |
KLF featuring The Children Of The Revolution | What Time Is Love? |
| 7 |
Londonbeat | I've Been Thinking About You |
| 8 |
Betty Boo | Where Are You Baby? |
| 9 |
Farm | Groovy Train |
| 10 |
Adamski | The Space Jungle |
| 11 |
Iron Maiden | Holy Smoke |
| 12 |
Mariah Carey | Vision Of Love |
| 13 |
New Kids On The Block | Tonight |
| 14 |
Bass-O-Matic | Fascinating Rhythm |
| 15 |
Bobby Vinton | Blue Velvet |
| 16 |
Jason Donovan | Rhythm of the Rain |
| 17 |
Snap! | Cult of Snap! |
| 18 |
Twenty4Seven featuring Captain Hollywood | I Can't Stand It |
| 19 |
INXS | Suicide Blonde |
| 20 |
Loose Ends | Don't Be A Fool |
| 21 |
Janet Jackson | Black Cat |
| 22 |
Blue Pearl | Naked In The Rain |
| 23 |
George Michael | Praying For Time |
| 24 |
Charlatans | Then |
| 25 |
AC / DC | Thunderstruck |
| 26 |
Caron Wheeler | Livin' In The Light |
| 27 |
Status Quo | The Anniversary Waltz - Part One |
| 28 |
Pet Shop Boys | So Hard |
| 29 |
Cliff Richard | Silhouettes |
| 30 |
Jive Bunny & The Mastermixers | Can Can You Party |
| 31 |
Roxette | Listen To Your Heart / Dangerous |
| 32 |
Sonia | End Of The World |
| 33 |
Cure | Never Enough |
| 34 |
MC Tunes vs 808 State | Tunes Splits The Atom |
| 35 |
Monie Love featuring True Image | It's A Shame (My Sister) |
| 36 |
Stone Roses | Fools' Gold / What The World Is Waiting For |
| 37 |
DNA featuring Suzanne Vega | Tom's Diner |
| 38 |
Soup Dragons featuring Junior Reid | I'm Free |
| 39 |
Faith No More | Epic |
| 40 |
Talk Talk | Life's What You Make It |
