The winning Connecticut Play3 numbers for October 9, 2021 were: day 8-9-1; night 3-3-9.
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 |
|---|---|---|---|---|
| Oct 9, 2021 | Night | 3-3-9 | 15 | 6 |
| Oct 9, 2021 | Day | 8-9-1 | 18 | 9 |
| Oct 8, 2021 | Night | 8-3-0 | 11 | 2 |
| Oct 8, 2021 | Day | 9-4-9 | 22 | 4 |
| Oct 7, 2021 | Night | 2-4-7 | 13 | 4 |
| Oct 7, 2021 | Day | 9-8-2 | 19 | 1 |
| Oct 6, 2021 | Night | 1-9-7 | 17 | 8 |
| Oct 6, 2021 | Day | 3-5-0 | 8 | 8 |
| Oct 5, 2021 | Night | 8-5-0 | 13 | 4 |
| Oct 5, 2021 | Day | 1-0-2 | 3 | 3 |
| Oct 4, 2021 | Night | 6-7-0 | 13 | 4 |
| Oct 4, 2021 | Day | 0-5-3 | 8 | 8 |
| Oct 3, 2021 | Night | 0-3-3 | 6 | 6 |
| Oct 3, 2021 | Day | 4-7-9 | 20 | 2 |