# Moon phases in September 2027 > September 2027 moon calendar in UK time: new moon 30 September, full Harvest Moon on 16 September, moonrise and moonset for every day, dark-sky nights and met URL: https://www.starseeduk.co.uk/moon-calendar/2027/september Updated: 2026-10-30 September 2027 has 4 principal moon phases, with the new moon on 30 September 2027 and the full Harvest Moon on 16 September 2027. Below are exact UK times, a day-by-day table and the best nights for dark skies. ## Moon phases in September 2027 (UK times) Times are calculated with astronomy-engine and shown in UK clock time (GMT or BST). They are accurate to about a minute. | Phase | Date | Time | | --- | --- | --- | | First quarter | 7 September 2027 | 19:31 BST | | Full moon | 16 September 2027 | 00:04 BST | | Last quarter | 23 September 2027 | 11:21 BST | | New moon | 30 September 2027 | 03:36 BST | ## The full moon in September 2027 The Harvest Moon is full on 16 September 2027 at 00:04 BST, rising over London at about 18:46. Read the story behind the name on our [full moon names](https://www.starseeduk.co.uk/full-moons) pages. ## Best nights for dark skies The darkest skies this month fall around the new moon, roughly 27 September to 3 October. That is the time for meteor watching, the Milky Way and faint galaxies. In folk practice the new moon is also the traditional time to set intentions. ## Day-by-day moon calendar for September 2027 Phase and illumination at midday; moonrise and moonset for London (other UK places differ by up to about an hour; see your town in our local guides). | Date | Phase | Lit | Moonrise | Moonset | | --- | --- | --- | --- | --- | | 1 Wed | Waxing crescent | 1% | 07:09 | 19:44 | | 2 Thu | Waxing crescent | 5% | 08:37 | 19:59 | | 3 Fri | Waxing crescent | 11% | 10:03 | 20:15 | | 4 Sat | Waxing crescent | 19% | 11:27 | 20:34 | | 5 Sun | Waxing crescent | 28% | 12:50 | 20:58 | | 6 Mon | Waxing crescent | 37% | 14:07 | 21:30 | | 7 Tue | First quarter | 47% | 15:15 | 22:12 | | 8 Wed | Waxing gibbous | 57% | 16:11 | 23:05 | | 9 Thu | Waxing gibbous | 67% | 16:54 | 00:07 | | 10 Fri | Waxing gibbous | 75% | 17:25 | – | | 11 Sat | Waxing gibbous | 83% | 17:49 | 01:16 | | 12 Sun | Waxing gibbous | 89% | 18:07 | 02:27 | | 13 Mon | Waxing gibbous | 94% | 18:21 | 03:39 | | 14 Tue | Waxing gibbous | 98% | 18:34 | 04:50 | | 15 Wed | Full moon | 100% | 18:46 | 06:00 | | 16 Thu | Waning gibbous | 100% | 18:58 | 07:11 | | 17 Fri | Waning gibbous | 98% | 19:11 | 08:23 | | 18 Sat | Waning gibbous | 93% | 19:26 | 09:38 | | 19 Sun | Waning gibbous | 88% | 19:46 | 10:55 | | 20 Mon | Waning gibbous | 80% | 20:12 | 12:14 | | 21 Tue | Waning gibbous | 71% | 20:49 | 13:31 | | 22 Wed | Waning gibbous | 60% | 21:41 | 14:41 | | 23 Thu | Last quarter | 49% | 22:50 | 15:37 | | 24 Fri | Waning crescent | 38% | 00:11 | 16:20 | | 25 Sat | Waning crescent | 27% | – | 16:51 | | 26 Sun | Waning crescent | 17% | 01:39 | 17:14 | | 27 Mon | Waning crescent | 9% | 03:09 | 17:32 | | 28 Tue | Waning crescent | 4% | 04:38 | 17:48 | | 29 Wed | Waning crescent | 1% | 06:05 | 18:03 | | 30 Thu | New moon | 0% | 07:31 | 18:19 | ## Closest and farthest moon - Apogee (farthest): 12 September 2027, 405,371 km - Perigee (closest): 27 September 2027, 363,441 km ## Festivals on the Wheel of the Year See our [Wheel of the Year guide](https://www.starseeduk.co.uk/guides/wheel-of-the-year-guide) for traditions and ideas. - Mabon, the autumn equinox: 23 September 2027, 07:01 BST ## Using the moon this month Many people keep a simple rhythm: write an intention at the new moon, check in at the first quarter, give thanks at the full moon and clear out at the last quarter. Our [moon rituals guide](https://www.starseeduk.co.uk/guides/full-moon-names-and-rituals) has ideas. ## Questions **When is the full moon in September 2027?** 16 September 2027 at 00:04 BST UK time. It is traditionally called the Harvest Moon. **When is the new moon in September 2027?** 30 September 2027 at 03:36 BST UK time. **What is the best night for stargazing in September 2027?** Around the new moon on 30 September, when the sky is darkest. Pick a clear night and get away from streetlights. **What does the first quarter moon on 7 September 2027 mean?** The first quarter moon on 7 September 2027 (19:31 BST) is half lit and growing, which tradition reads as a time to act on the intentions set at the new moon. It is a good night to review your list, take one practical step and notice what is resisting. **What does the last quarter moon on 23 September 2027 mean?** The last quarter moon on 23 September 2027 (11:21 BST) is half lit and shrinking, which tradition reads as a time to clear out, finish tasks and let go before the next new moon. A decluttering session or a smoke-cleansing of your space are popular ways to mark it. **What should I do on the new moon on 30 September 2027?** On the new moon on 30 September 2027 (03:36 BST), tradition suggests setting intentions: write down two or three things you want to grow this cycle and keep the note somewhere you'll see it. New moons are seen as a quiet, fresh start, good for planning rather than big action. ## Related - [← August 2027](https://www.starseeduk.co.uk/moon-calendar/2027/august) - [October 2027 →](https://www.starseeduk.co.uk/moon-calendar/2027/october) - [2027 moon calendar](https://www.starseeduk.co.uk/moon-calendar/2027) - [Full moon names and dates](https://www.starseeduk.co.uk/full-moons) - [Moon today](https://www.starseeduk.co.uk/moon) --- Starseed UK describes spiritual uses as tradition and belief, never as health or medical claims. UK delivery £3.95, free over £40.