The winning Delaware Play 4 numbers for September 16, 2018 were: night 9-9-0-8.
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 16, 2018 | Night | 9-9-0-8 | 26 | 8 |
| Sep 15, 2018 | Night | 4-8-4-2 | 18 | 9 |
| Sep 15, 2018 | Day | 6-0-0-6 | 12 | 3 |
| Sep 14, 2018 | Night | 1-3-7-1 | 12 | 3 |
| Sep 14, 2018 | Day | 5-3-0-9 | 17 | 8 |
| Sep 13, 2018 | Night | 3-6-9-6 | 24 | 6 |
| Sep 13, 2018 | Day | 7-0-9-5 | 21 | 3 |
| Sep 12, 2018 | Night | 5-8-5-4 | 22 | 4 |
| Sep 12, 2018 | Day | 5-8-5-2 | 20 | 2 |
| Sep 11, 2018 | Night | 9-4-0-2 | 15 | 6 |
| Sep 11, 2018 | Day | 9-5-9-0 | 23 | 5 |
| Sep 10, 2018 | Night | 8-6-9-4 | 27 | 9 |
| Sep 10, 2018 | Day | 1-7-9-7 | 24 | 6 |