GreenlyMoon planting calendar for September 2027
September 2027: new moon 30 September at 02:36, full moon 15 September at 23:04 (UTC). By folk tradition, crops that fruit above the ground are sown on the waxing moon (2–13 September), root crops and bulbs on the waning moon (17–28 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
- First quarter — 7 September at 18:31 UTC
- Full moon — 15 September at 23:04 UTC
- Last quarter — 23 September at 10:21 UTC
- New moon — 30 September at 02:36 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 |
|---|---|---|---|
| Wed 1 | Waxing crescent | 1% | rest |
| Thu 2 | Waxing crescent | 3% | above-ground crops |
| Fri 3 | Waxing crescent | 8% | above-ground crops |
| Sat 4 | Waxing crescent | 15% | above-ground crops |
| Sun 5 | Waxing crescent | 24% | above-ground crops |
| Mon 6 | Waxing crescent | 33% | above-ground crops |
| Tue 7 | First quarter · 18:31 UTC | 43% | above-ground crops |
| Wed 8 | Waxing moon | 54% | above-ground crops |
| Thu 9 | Waxing moon | 64% | above-ground crops |
| Fri 10 | Waxing moon | 74% | above-ground crops |
| Sat 11 | Waxing moon | 83% | above-ground crops |
| Sun 12 | Waxing moon | 90% | above-ground crops |
| Mon 13 | Waxing moon | 96% | above-ground crops |
| Tue 14 | Waxing moon | 99% | harvest |
| Wed 15 | Full moon · 23:04 UTC | 100% | harvest |
| Thu 16 | Waning moon | 99% | harvest |
| Fri 17 | Waning moon | 96% | roots and bulbs |
| Sat 18 | Waning moon | 90% | roots and bulbs |
| Sun 19 | Waning moon | 83% | roots and bulbs |
| Mon 20 | Waning moon | 74% | roots and bulbs |
| Tue 21 | Waning moon | 65% | roots and bulbs |
| Wed 22 | Waning moon | 54% | roots and bulbs |
| Thu 23 | Last quarter · 10:21 UTC | 43% | roots and bulbs |
| Fri 24 | Waning crescent | 33% | roots and bulbs |
| Sat 25 | Waning crescent | 24% | roots and bulbs |
| Sun 26 | Waning crescent | 15% | roots and bulbs |
| Mon 27 | Waning crescent | 8% | roots and bulbs |
| Tue 28 | Waning crescent | 3% | roots and bulbs |
| Wed 29 | Waning crescent | 1% | rest |
| Thu 30 | New moon · 02:36 UTC | 0% | rest |
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 2027?
September 2027: 30 September at 02:36 (UTC).
When is the full moon in September 2027?
September 2027: 15 September at 23:04 (UTC).
Which days are good for sowing by the moon in September?
By folk tradition, crops that fruit above the ground on 2–13 September, root crops and bulbs on 17–28 September.
