The winning Connecticut Play4 numbers for September 19, 2021 were: day 4-1-6-2; night 3-0-2-3.
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 19, 2021 | Night | 3-0-2-3 | 8 | 8 |
| Sep 19, 2021 | Day | 4-1-6-2 | 13 | 4 |
| Sep 18, 2021 | Night | 9-7-3-0 | 19 | 1 |
| Sep 18, 2021 | Day | 7-9-6-0 | 22 | 4 |
| Sep 17, 2021 | Night | 1-4-9-4 | 18 | 9 |
| Sep 17, 2021 | Day | 1-2-7-6 | 16 | 7 |
| Sep 16, 2021 | Night | 0-1-6-4 | 11 | 2 |
| Sep 16, 2021 | Day | 0-7-6-7 | 20 | 2 |
| Sep 15, 2021 | Night | 6-4-8-4 | 22 | 4 |
| Sep 15, 2021 | Day | 8-7-1-2 | 18 | 9 |
| Sep 14, 2021 | Night | 0-4-9-0 | 13 | 4 |
| Sep 14, 2021 | Day | 8-7-7-2 | 24 | 6 |
| Sep 13, 2021 | Night | 6-9-1-9 | 25 | 7 |
| Sep 13, 2021 | Day | 3-1-5-4 | 13 | 4 |