The winning New York Numbers numbers for September 21, 2015 were: midday 5-9-9; evening 6-7-4.
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).
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 21, 2015 | Evening | 6-7-4 | 17 | 8 |
| Sep 21, 2015 | Midday | 5-9-9 | 23 | 5 |
| Sep 20, 2015 | Evening | 3-5-4 | 12 | 3 |
| Sep 20, 2015 | Midday | 5-9-5 | 19 | 1 |
| Sep 19, 2015 | Evening | 6-1-7 | 14 | 5 |
| Sep 19, 2015 | Midday | 7-1-5 | 13 | 4 |
| Sep 17, 2015 | Evening | 8-8-4 | 20 | 2 |
| Sep 17, 2015 | Midday | 8-5-3 | 16 | 7 |
| Sep 16, 2015 | Evening | 1-2-9 | 12 | 3 |
| Sep 16, 2015 | Midday | 1-5-3 | 9 | 9 |
| Sep 15, 2015 | Evening | 5-3-1 | 9 | 9 |
| Sep 15, 2015 | Midday | 7-3-4 | 14 | 5 |