The winning New York Numbers numbers for September 15, 1980 were: evening 9-6-5.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Sep 15, 1980 | Evening | 9-6-5 | 20 | 2 |
| Sep 13, 1980 | Evening | 3-4-5 | 12 | 3 |
| Sep 12, 1980 | Evening | 6-7-4 | 17 | 8 |
| Sep 11, 1980 | Evening | 9-3-7 | 19 | 1 |
| Sep 10, 1980 | Evening | 2-4-4 | 10 | 1 |
| Sep 9, 1980 | Evening | 6-7-3 | 16 | 7 |