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

Moon phase calendar for September 2026; weeks begin on Monday
MonTueWedThuFriSatSun

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.

Daily values at 12:00 UK local time; rise and set for London
DatePhaseIlluminationLunar ageMoonriseMoonset
Waning Gibbous80%19.7 days
Waning Gibbous71%20.7 days
Last Quarter60%21.7 days
Last Quarter49%22.7 days
Last Quarter37%23.7 days
Waning Crescent26%24.7 days—
Waning Crescent17%25.7 days
Waning Crescent9%26.7 days
New Moon4%27.7 days
New Moon1%28.7 days
New Moon0%0.3 days
New Moon2%1.3 days
Waxing Crescent6%2.3 days
Waxing Crescent12%3.3 days
Waxing Crescent20%4.3 days
Waxing Crescent28%5.3 days
First Quarter37%6.3 days
First Quarter46%7.3 days
First Quarter56%8.3 days
First Quarter65%9.3 days—
Waxing Gibbous74%10.3 days
Waxing Gibbous82%11.3 days
Waxing Gibbous89%12.3 days
Waxing Gibbous94%13.3 days
Full Moon98%14.3 days
Full Moon100%15.3 days
Full Moon99%16.3 days
Waning Gibbous96%17.3 days
Waning Gibbous91%18.3 days
Waning Gibbous83%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
Read the Harvest Moon guide

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.

Moonrise and moonset on 2026-09-26, in each location's UK local time
LocationMoonriseMoonset
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.

Use this monthly calendar

Calculation method