The winning New York Numbers numbers for September 15, 2009 were: midday 8-4-3; evening 8-6-9.
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 15, 2009 | Evening | 8-6-9 | 23 | 5 |
| Sep 15, 2009 | Midday | 8-4-3 | 15 | 6 |
| Sep 14, 2009 | Evening | 7-5-4 | 16 | 7 |
| Sep 14, 2009 | Midday | 5-8-6 | 19 | 1 |
| Sep 13, 2009 | Evening | 8-9-2 | 19 | 1 |
| Sep 13, 2009 | Midday | 5-3-6 | 14 | 5 |
| Sep 12, 2009 | Evening | 4-4-4 | 12 | 3 |
| Sep 12, 2009 | Midday | 4-1-9 | 14 | 5 |
| Sep 11, 2009 | Evening | 0-2-4 | 6 | 6 |
| Sep 11, 2009 | Midday | 5-0-8 | 13 | 4 |
| Sep 10, 2009 | Evening | 4-4-6 | 14 | 5 |
| Sep 10, 2009 | Midday | 4-1-5 | 10 | 1 |
| Sep 9, 2009 | Evening | 0-4-7 | 11 | 2 |
| Sep 9, 2009 | Midday | 7-4-9 | 20 | 2 |