The winning Delaware Play 4 numbers for September 17, 2009 were: day 1-0-0-4; night 2-5-9-6.
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 17, 2009 | Night | 2-5-9-6 | 22 | 4 |
| Sep 17, 2009 | Day | 1-0-0-4 | 5 | 5 |
| Sep 16, 2009 | Night | 0-7-1-9 | 17 | 8 |
| Sep 16, 2009 | Day | 6-8-9-9 | 32 | 5 |
| Sep 15, 2009 | Night | 1-1-8-7 | 17 | 8 |
| Sep 15, 2009 | Day | 5-7-9-7 | 28 | 1 |
| Sep 14, 2009 | Night | 2-6-9-8 | 25 | 7 |
| Sep 14, 2009 | Day | 1-1-0-1 | 3 | 3 |
| Sep 13, 2009 | Night | 7-4-8-0 | 19 | 1 |
| Sep 12, 2009 | Night | 4-6-4-0 | 14 | 5 |
| Sep 12, 2009 | Day | 4-2-7-5 | 18 | 9 |
| Sep 11, 2009 | Night | 2-1-1-6 | 10 | 1 |
| Sep 11, 2009 | Day | 3-4-1-5 | 13 | 4 |