The winning New York Win 4 numbers for September 23, 1991 were: evening 7-9-2-3.
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 23, 1991 | Evening | 7-9-2-3 | 21 | 3 |
| Sep 22, 1991 | Evening | 0-7-3-1 | 11 | 2 |
| Sep 21, 1991 | Evening | 7-6-0-9 | 22 | 4 |
| Sep 20, 1991 | Evening | 8-5-2-3 | 18 | 9 |
| Sep 19, 1991 | Evening | 4-3-2-3 | 12 | 3 |
| Sep 18, 1991 | Evening | 0-3-6-0 | 9 | 9 |
| Sep 17, 1991 | Evening | 4-1-2-5 | 12 | 3 |