GreenlyMoon planting calendar for September 2026
September 2026: new moon 11 September at 03:27, full moon 26 September at 16:49 (UTC). By folk tradition, crops that fruit above the ground are sown on the waxing moon (13–24 September), root crops and bulbs on the waning moon (1–9 September and 28–30 September); the days around the new and the full moon are left without sowing.
Folk tradition, not supported by science. Greenly’s dates follow your frost dates and the soil.
Phases of the moon
- Last quarter — 4 September at 07:51 UTC
- New moon — 11 September at 03:27 UTC
- First quarter — 18 September at 20:44 UTC
- Full moon — 26 September at 16:49 UTC
Times are in UTC (Coordinated Universal Time): add your own offset — for example +1 h in winter in Central Europe. Phases worked out with Meeus’s method, accurate to a few minutes.
Day by day
| Day | Moon | Lit | Folk advice |
|---|---|---|---|
| Tue 1 | Waning moon | 74% | roots and bulbs |
| Wed 2 | Waning moon | 64% | roots and bulbs |
| Thu 3 | Waning moon | 54% | roots and bulbs |
| Fri 4 | Last quarter · 07:51 UTC | 43% | roots and bulbs |
| Sat 5 | Waning crescent | 33% | roots and bulbs |
| Sun 6 | Waning crescent | 24% | roots and bulbs |
| Mon 7 | Waning crescent | 15% | roots and bulbs |
| Tue 8 | Waning crescent | 8% | roots and bulbs |
| Wed 9 | Waning crescent | 3% | roots and bulbs |
| Thu 10 | Waning crescent | 1% | rest |
| Fri 11 | New moon · 03:27 UTC | 0% | rest |
| Sat 12 | Waxing crescent | 2% | rest |
| Sun 13 | Waxing crescent | 6% | above-ground crops |
| Mon 14 | Waxing crescent | 12% | above-ground crops |
| Tue 15 | Waxing crescent | 20% | above-ground crops |
| Wed 16 | Waxing crescent | 29% | above-ground crops |
| Thu 17 | Waxing crescent | 39% | above-ground crops |
| Fri 18 | First quarter · 20:44 UTC | 50% | above-ground crops |
| Sat 19 | Waxing moon | 60% | above-ground crops |
| Sun 20 | Waxing moon | 70% | above-ground crops |
| Mon 21 | Waxing moon | 80% | above-ground crops |
| Tue 22 | Waxing moon | 87% | above-ground crops |
| Wed 23 | Waxing moon | 94% | above-ground crops |
| Thu 24 | Waxing moon | 98% | above-ground crops |
| Fri 25 | Waxing moon | 100% | harvest |
| Sat 26 | Full moon · 16:49 UTC | 100% | harvest |
| Sun 27 | Waning moon | 97% | harvest |
| Mon 28 | Waning moon | 93% | roots and bulbs |
| Tue 29 | Waning moon | 86% | roots and bulbs |
| Wed 30 | Waning moon | 78% | roots and bulbs |
What the folk calendar says
- Above-ground crops: By folk tradition: sow and plant what fruits above the ground — tomatoes, cucumbers, greens.
- Roots and bulbs: By folk tradition: root crops and bulbs, pruning and weeding.
- Rest: By folk tradition: a day to rest — no sowing or transplanting.
- Harvest: By folk tradition: no sowing; a good time to harvest.
Sowing by your frost dates
Greenly does not move a single date by the moon: sowing and planting dates come from ten years of frost data for your place and the soil temperature each crop needs.
- Frost dates by city
- What to plant in September
- What to plant in September in the Northeast and Midwest
- What to plant in September in the South
- What to plant in September in Texas
- What to plant in September in California
- What to plant in September in the Pacific Northwest
- What to plant in September in the Mountain West
- What to plant in September in Canada
- What to plant in September in the UK
When is the new moon in September 2026?
September 2026: 11 September at 03:27 (UTC).
When is the full moon in September 2026?
September 2026: 26 September at 16:49 (UTC).
Which days are good for sowing by the moon in September?
By folk tradition, crops that fruit above the ground on 13–24 September, root crops and bulbs on 1–9 September and 28–30 September.
