The lunar calendar of September will make the return to routine after summer anything but routine. And this month of September is perhaps the most intense month of the 2025 lunar calendar: in addition to the change of season with the autumn equinox, it brings us two eclipses, one of the moon and the other of the sun.

Eclipses never come alone. After one takes place, a second arrives two weeks later. The first of September of this year 2025 is a lunar eclipse, which occurs with the full moon in Septemberwhile the second, a solar eclipse, the new Moon will bring it to us. Just that day we will be saying goodbye to summer to welcome autumn.

We already had two eclipses in spring, so these will be the last two of the total of four eclipses that 2025 will have. Get ready because the lunar eclipse this September will be total, so it will allow us to enjoy the fascinating Blood Moon in much of Spain.

Of all this and how the lunar phases develop in September We give you more details below.

We also tell you what the best days to get a haircut or wax following the lunar calendar, so you can take advantage of its influence in your favor to obtain a better result. If you need give your hair a boost to revitalize it After summer, experts say that doing it at certain times of the lunar calendar helps you achieve it.

The phases of the Moon in September 2025

We say goodbye to the month of August with the Moon in its first quarter, so that We enter September with the Moon beginning to hump and already making us wonder, from the beginning, when the full Moon in September will be.

Well, the September full moon he arrives first Sunday of the month, the 7thand it does so in style, aligning itself in such a way with the Earth and the Sun that the shadow of the Earth will be projected on the Moon and will give us a total lunar eclipse. Although in Spain we will not be able to see all the phases of the eclipse, we will be able to see the totality phase at the moment when the Moon appears over the horizon.

The full moon in September is known as corn moonalthough when it is closest to the autumn equinox it is also known as the Harvest Moon. It is time to harvest corn and many other crops. The lunar perigee, its closest approach to Earth in its orbit, arrives three days later. We will have to wait for the full moon in October to have a supermoon.

Once the Moon begins to wane, the countdown to the second eclipse of the month will begin. First the Moon will have to overcome its last quarterwhich will be produced with the Moon of September 14. We will see the Moon illuminated at 50%.

With the New Moon on September 21a partial solar eclipse It will darken part of the planet, although the lucky ones who will be able to enjoy it will be those in South Australia, some Pacific islands and, especially, New Zealand.

Little by little, light will emerge from the darkness and the Moon will return night after night to recover its growing momentum. The crescent phase will arrive at the end of the month, the Tuesday September 30 at dawn.

Here is a summary with the dates and times at which each lunar phase occurs in September 2025:

• Full moon: September 7 at 8:10 p.m.
• Last quarter: September 14 at 12:35.
• New moon: September 21 at 9:54 p.m.
• Crescent: September 30 at 1:54.

Summer ends and autumn begins

The September equinox arrives this year on Monday 22nd night. The fourth and last eclipse of the year will serve to say goodbye to summer. The next day we will have already set foot in autumn. In the southern hemisphere they will take the opposite path: they will say goodbye to winter and spring will begin.

The duration of night and day are equal on these dates. In the final stretch of the lunar calendar in September, the nights will begin to last longer than the days. In exchange, we will see the Moon a little higher in the skyplacing its magic on our heads.

What else to see in the September sky in 2025

Some planets will be seen especially well in the September sky thanks to their approach to the Moon.

• He Monday, September 8For example, with the Moon still almost full, Saturn will approach it, which can be seen with the naked eye or with the help of binoculars. Neptune will also be approaching, but you’ll need a telescope to spot it.
• He Friday September 12the waning Moon will pass in front of the Pleiadesa star cluster. You will have to wait for it to appear over the horizon, already close to midnight.
• on tuesday September 16 it’s the turn of Jupiter and the Friday the 19th to Venus. In fact, Venus will get so close to the Moon that from various points on the planet it will be hidden behind it.
• He September 21 Saturn It will be in opposition, so it will be the best day to try to identify it and it will be in sight all night.

September 2025 lunar calendar to cut your hair and wax

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In the September lunar calendar, the best days to get a haircut or wax They concentrate on the central weeks. These days are calculated following the criteria of the biodynamic lunar calendar, originally created to guide field work following cosmic rhythms to provide crops with the most appropriate care at all times.

The lunar calendar on which we base ourselves, the Maria Thun Biodynamic Farming Calendaris published every year by the Rudolf Steiner publishing house. It establishes what experts call the «root periods», the «leaf periods» and the «flower periods» in which the energy, marked by the height of the Moon in the sky, its orbit and its position with respect to other stars, makes more or less advisable to cut your hair or shave. These are periods in which, in biodynamic agriculture, they also correspond to certain tasks in the orchard or garden.

Here you will not have to do any calculations, because we give you the most favorable dates and times for each task throughout the month, so you can organize yourself in advance and get the most out of your self-care and beauty routines.

The best days in September to cut your hair and make it grow fast

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In the lunar calendar of September 2025, the best days to cut your hair if you want to strengthen it especially They fall around the new Moon and a few days later. On those days the Moon is at the height of some Earth constellation and in descending orbit. These are days when energy is concentrated below in nature and roots strengthen at the slightest stimulus. They are called «root days»

This is what happens to our hair if we cut it at those times, according to experts. The «root days» and, therefore, more suitable for cutting your hair in September are the following:

• Sunday 21st: starting at 12 noon all afternoon and evening, until well into the early morning (specifically until 4 a.m. on Monday the 22nd).
• Wednesday 24th: all day from 6 a.m. until Thursday the 25th at 6 a.m.

When taking care of your plants These days focus on the plants you grow for their roots and tubers, especially when planting, harvesting, pruning or transplanting. You can also take the opportunity to remove the soil from the plants you have at home or in your pots to stimulate the growth of their roots.

When to cut your hair in September to make it grow faster

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Biodynamics experts recommend choosing a «leaf period» to cut your hair when what you want is revitalize it and, at the same time, accelerate its growth. During these periods the Moon is at the height of a water constellation and in an ascending orbit. Cut the ends or perform the baby’s first haircut In these periods it is also considered a great option.

To cut your hair and take advantage of this effect, take note of the days marked in the 2025 lunar calendar as the most suitable for the month of September:

• Monday 8: all day from 7am.
• Tuesday 9: all day and until 1 a.m. on Wednesday the 10th.

In the orchard and garden, Take the opportunity to give priority these days to the plants you grow for their leaves or stems. They will respond better to planting, will last longer when you harvest, and will be more grateful for any care you give them.

The best days to shave in September according to the lunar calendar

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If you are looking for a date to wax in September, it would be best, if you can, to wait untilthe third or fourth week of the montha few days before and a few days after the new Moon. During these weeks the Moon’s orbit is descending and, when the Moon passes at the height of an air constellation, the lunar energy exerts an inhibitory effect on hair. That’s why experts recommend those days to shave, because then the hair takes longer to grow and the hair removal lasts longer.

These «flower periods» in September occur on the following dates:

• Monday 15th: all day from 2am in the morning.
• Tuesday 16: all day and until 3 a.m. on Wednesday the 17th.
• Thursday 25th: all day starting at 7 a.m.
• Friday the 26th: until 6pm You still have time to shave and take advantage of the lunar influence.

When taking care of your indoor plants, the orchard or the gardenthe best thing these days is to focus on those that you have for their flowers. If you have to do any pruning or transplanting at the end of summer, these are the days to do it on those types of plants, since they will respond better. And if you want to cut flowers and make a bouquet to give as a gift or put at home, these are ideal moments, because according to experts the aroma of the flowers is more intense and they last longer in the vase.