The winning Michigan Daily 4 numbers for September 21, 2009 were: midday 5-5-2-4; evening 3-3-4-6.
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 21, 2009 | Evening | 3-3-4-6 | 16 | 7 |
| Sep 21, 2009 | Midday | 5-5-2-4 | 16 | 7 |
| Sep 20, 2009 | Evening | 8-0-8-8 | 24 | 6 |
| Sep 20, 2009 | Midday | 4-6-6-8 | 24 | 6 |
| Sep 19, 2009 | Evening | 8-0-1-8 | 17 | 8 |
| Sep 19, 2009 | Midday | 9-2-4-5 | 20 | 2 |
| Sep 18, 2009 | Evening | 5-7-9-2 | 23 | 5 |
| Sep 18, 2009 | Midday | 9-3-3-3 | 18 | 9 |
| Sep 17, 2009 | Evening | 3-9-8-4 | 24 | 6 |
| Sep 17, 2009 | Midday | 3-7-2-6 | 18 | 9 |
| Sep 16, 2009 | Evening | 8-3-2-1 | 14 | 5 |
| Sep 16, 2009 | Midday | 1-3-6-2 | 12 | 3 |
| Sep 15, 2009 | Evening | 6-5-9-2 | 22 | 4 |
| Sep 15, 2009 | Midday | 5-8-1-7 | 21 | 3 |