UK Weekend Box Office
UK Box Office 19th September, 1980
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | All That Jazz (1979) | £630,395 | £630,395 | £630,395 | new | 1 |
| 2 (2) |  | Urban Cowboy (1980) | £413,985 | £558,880 | £1,262,654 | -41% | 2 |
| 3 (1) |  | Caddyshack (1980) | £384,482 | £538,275 | £1,268,791 | -47% | 2 |
| 4 (new) |  | Xanadu (1980) | £379,376 | £379,376 | £379,376 | new | 1 |
| 5 (3) |  | Cruising () | £164,869 | £214,330 | £577,041 | -55% | 2 |
| 6 (4) |  | Star Wars: The Empire Strikes Back (1980) | £10,420 | £13,546 | £11,343,176 | -18% | 18 |
| 7 (5) |  | Fame () | £3,014 | £4,220 | £888,950 | -44% | 9 |