Daily phases · UK local time
September 2026 Moon calendar for the UK
Check the Moon's daily phase and illumination throughout September 2026, together with exact new Moon, quarter and full Moon event times.
How the Moon changes during September 2026
At 12:00 local time on 1 September, the Moon is a waning gibbous at 80% illumination and is waning. By 30 September, it is a waning gibbous at 83% illumination and is waning.
This civil month contains 4 exact principal phase events. Daily values represent the Moon at local noon; event rows below retain their precise astronomical times.
This fixed calendar uses Europe/London. Choose another time zone for this month →
Monthly view
September 2026
Daily state at 12:00 in Europe/London
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
Select any day to update the preview here. Today, your selection and exact phase events have separate markers.
Day-by-day detail · London horizon
Phase, illumination, lunar age, rise and set
Phase, illumination and age are calculated at 12:00 Europe/London. Moonrise and moonset use a central London observer; a dash means no matching horizon crossing occurs during that civil date.
| Date | Phase | Illumination | Lunar age | Moonrise | Moonset |
|---|---|---|---|---|---|
| Waning Gibbous | 80% | 19.7 days | |||
| Waning Gibbous | 71% | 20.7 days | |||
| Last Quarter | 60% | 21.7 days | |||
| Last Quarter | 49% | 22.7 days | |||
| Last Quarter | 37% | 23.7 days | |||
| Waning Crescent | 26% | 24.7 days | — | ||
| Waning Crescent | 17% | 25.7 days | |||
| Waning Crescent | 9% | 26.7 days | |||
| New Moon | 4% | 27.7 days | |||
| New Moon | 1% | 28.7 days | |||
| New Moon | 0% | 0.3 days | |||
| New Moon | 2% | 1.3 days | |||
| Waxing Crescent | 6% | 2.3 days | |||
| Waxing Crescent | 12% | 3.3 days | |||
| Waxing Crescent | 20% | 4.3 days | |||
| Waxing Crescent | 28% | 5.3 days | |||
| First Quarter | 37% | 6.3 days | |||
| First Quarter | 46% | 7.3 days | |||
| First Quarter | 56% | 8.3 days | |||
| First Quarter | 65% | 9.3 days | — | ||
| Waxing Gibbous | 74% | 10.3 days | |||
| Waxing Gibbous | 82% | 11.3 days | |||
| Waxing Gibbous | 89% | 12.3 days | |||
| Waxing Gibbous | 94% | 13.3 days | |||
| Full Moon | 98% | 14.3 days | |||
| Full Moon | 100% | 15.3 days | |||
| Full Moon | 99% | 16.3 days | |||
| Waning Gibbous | 96% | 17.3 days | |||
| Waning Gibbous | 91% | 18.3 days | |||
| Waning Gibbous | 83% | 19.3 days |
The month's brightest nights
Full Moon in September 2026
Harvest Moon
The full Moon nearest the September equinox; it can fall in September or October.
- Exact instant
- 26 September 2026 at 17:49 BST
- Brown lunation
- 1283
How rise and set vary across the UK
On the date of the first full Moon, longitude and latitude shift the horizon times. These representative cities all use Europe/London civil time.
| Location | Moonrise | Moonset |
|---|---|---|
| London | ||
| Cardiff | ||
| Belfast | ||
| Edinburgh | ||
| Lerwick |
Traditional lunar rhythm · practical UK season
Garden windows for this month
Autumn harvests and the first overwintering crops. Use local soil, weather and frost conditions to decide whether each task is timely in your garden.
11–18 9/2026
Sowing
Sow hardy salads, spinach and green manures while soil remains warm.
19–26 9/2026
Planting
Plant spring cabbage, hardy onions and prepared strawberry plants.
1–3, 27–30 9/2026
Harvesting
Gather apples, pears, beans, squash and remaining outdoor tomatoes as they ripen.
4–10 9/2026
Pruning
Remove spent summer-fruiting raspberry canes and damaged growth.