Daily phases · UK local time

September 2027 Moon calendar for the UK

Check the Moon's daily phase and illumination throughout September 2027, together with exact new Moon, quarter and full Moon event times.

How the Moon changes during September 2027

At 12:00 local time on 1 September, the Moon is a new moon at 1% illumination and is waxing. By 30 September, it is a new moon at 0% illumination and is waxing.

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 2027

Daily state at 12:00 in Europe/London

Moon phase calendar for September 2027; 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
New Moon1%0.7 days
Waxing Crescent4%1.7 days
Waxing Crescent10%2.7 days
Waxing Crescent18%3.7 days
Waxing Crescent27%4.7 days
First Quarter37%5.7 days
First Quarter47%6.7 days
First Quarter57%7.7 days
First Quarter66%8.7 days
Waxing Gibbous75%9.7 days
Waxing Gibbous83%10.7 days
Waxing Gibbous89%11.7 days
Waxing Gibbous94%12.7 days
Full Moon98%13.7 days
Full Moon100%14.7 days
Full Moon100%15.7 days
Full Moon98%16.7 days
Waning Gibbous94%17.7 days
Waning Gibbous88%18.7 days
Waning Gibbous80%19.7 days
Waning Gibbous71%20.7 days
Last Quarter61%21.7 days
Last Quarter50%22.7 days
Last Quarter39%23.7 days
Waning Crescent28%24.7 days
Waning Crescent18%25.7 days
Waning Crescent10%26.7 days
Waning Crescent4%27.7 days
New Moon1%28.7 days
New Moon0%0.3 days

The month's brightest nights

Full Moon in September 2027

Harvest Moon

The full Moon nearest the September equinox; it can fall in September or October.

Exact instant
16 September 2027 at 00:04 BST
Brown lunation
1295
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 2027-09-16, 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.

1–7, 30 9/2027

Sowing

Sow hardy salads, spinach and green manures while soil remains warm.

8–15 9/2027

Planting

Plant spring cabbage, hardy onions and prepared strawberry plants.

16–22 9/2027

Harvesting

Gather apples, pears, beans, squash and remaining outdoor tomatoes as they ripen.

23–29 9/2027

Pruning

Remove spent summer-fruiting raspberry canes and damaged growth.

Use this monthly calendar

Calculation method