The winning Oregon Pick 4 numbers for September 20, 2015 were: midday 7-0-4-6; day 2-1-6-6; evening 6-7-5-8; night 7-4-3-8.
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).
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).
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 20, 2015 | Night | 7-4-3-8 | 22 | 4 |
| Sep 20, 2015 | Evening | 6-7-5-8 | 26 | 8 |
| Sep 20, 2015 | Day | 2-1-6-6 | 15 | 6 |
| Sep 20, 2015 | Midday | 7-0-4-6 | 17 | 8 |
| Sep 19, 2015 | Night | 7-8-0-4 | 19 | 1 |
| Sep 19, 2015 | Evening | 8-5-2-1 | 16 | 7 |
| Sep 19, 2015 | Day | 8-6-6-4 | 24 | 6 |
| Sep 19, 2015 | Midday | 1-0-2-1 | 4 | 4 |
| Sep 18, 2015 | Night | 3-0-3-6 | 12 | 3 |
| Sep 18, 2015 | Evening | 4-4-1-6 | 15 | 6 |
| Sep 18, 2015 | Day | 3-5-2-3 | 13 | 4 |
| Sep 18, 2015 | Midday | 2-6-6-6 | 20 | 2 |
| Sep 17, 2015 | Night | 5-9-9-7 | 30 | 3 |
| Sep 17, 2015 | Evening | 4-2-7-7 | 20 | 2 |
| Sep 17, 2015 | Day | 1-7-2-6 | 16 | 7 |
| Sep 17, 2015 | Midday | 8-8-0-2 | 18 | 9 |
| Sep 16, 2015 | Night | 0-9-9-1 | 19 | 1 |
| Sep 16, 2015 | Evening | 8-3-7-2 | 20 | 2 |
| Sep 16, 2015 | Day | 7-5-2-5 | 19 | 1 |
| Sep 16, 2015 | Midday | 3-7-5-6 | 21 | 3 |
| Sep 15, 2015 | Night | 3-6-5-7 | 21 | 3 |
| Sep 15, 2015 | Evening | 3-2-7-7 | 19 | 1 |
| Sep 15, 2015 | Day | 4-1-5-6 | 16 | 7 |
| Sep 15, 2015 | Midday | 5-5-8-5 | 23 | 5 |
| Sep 14, 2015 | Night | 3-8-0-1 | 12 | 3 |
| Sep 14, 2015 | Evening | 1-0-4-8 | 13 | 4 |
| Sep 14, 2015 | Day | 3-2-7-5 | 17 | 8 |
| Sep 14, 2015 | Midday | 2-9-8-9 | 28 | 1 |