Ephemeris September 2031

September 2031 opens with Venus, Neptune, Pluto and Chiron all moving retrograde. On 1 September Venus turns direct in Leo. On 23 September the Sun enters Libra and Mercury enters Libra within the same day. The table below gives every position at 00:00 UT.

Ephemeris September 2031
Date	Sun	Moon	Mercury	Venus	Mars	Jupiter	Saturn	Uranus	Neptune	Pluto	True Node	Chiron	Moon phase
1	8°23' Virgo	3°00' Pisces	20°26' Leo	10°01' LeoR	3°56' Sagittarius	19°31' Sagittarius	21°58' Gemini	26°49' Gemini	15°08' AriesR	11°51' AquariusR	21°57' ScorpioR	21°21' TaurusR	Full Moon
2	9°21' Virgo	17°42' Pisces	21°41' Leo	10°01' Leo	4°32' Sagittarius	19°34' Sagittarius	22°01' Gemini	26°50' Gemini	15°07' AriesR	11°50' AquariusR	21°46' ScorpioR	21°21' TaurusR	Full Moon
3	10°19' Virgo	2°05' Aries	23°03' Leo	10°03' Leo	5°08' Sagittarius	19°37' Sagittarius	22°04' Gemini	26°52' Gemini	15°05' AriesR	11°49' AquariusR	21°37' ScorpioR	21°20' TaurusR	Full Moon
4	11°17' Virgo	16°03' Aries	24°30' Leo	10°07' Leo	5°45' Sagittarius	19°41' Sagittarius	22°08' Gemini	26°53' Gemini	15°04' AriesR	11°48' AquariusR	21°30' ScorpioR	21°20' TaurusR	Waning Gibbous
5	12°15' Virgo	29°34' Aries	26°01' Leo	10°13' Leo	6°22' Sagittarius	19°44' Sagittarius	22°11' Gemini	26°55' Gemini	15°03' AriesR	11°47' AquariusR	21°26' ScorpioR	21°19' TaurusR	Waning Gibbous
6	13°13' Virgo	12°38' Taurus	27°37' Leo	10°21' Leo	6°59' Sagittarius	19°48' Sagittarius	22°14' Gemini	26°56' Gemini	15°01' AriesR	11°45' AquariusR	21°24' ScorpioR	21°19' TaurusR	Waning Gibbous
7	14°11' Virgo	25°17' Taurus	29°17' Leo	10°32' Leo	7°36' Sagittarius	19°52' Sagittarius	22°17' Gemini	26°58' Gemini	15°00' AriesR	11°44' AquariusR	21°24' Scorpio	21°18' TaurusR	Last Quarter
8	15°10' Virgo	7°37' Gemini	1°00' Virgo	10°45' Leo	8°14' Sagittarius	19°56' Sagittarius	22°20' Gemini	26°59' Gemini	14°59' AriesR	11°43' AquariusR	21°24' Scorpio	21°17' TaurusR	Last Quarter
9	16°08' Virgo	19°42' Gemini	2°46' Virgo	11°00' Leo	8°51' Sagittarius	20°00' Sagittarius	22°23' Gemini	27°00' Gemini	14°57' AriesR	11°42' AquariusR	21°25' ScorpioR	21°17' TaurusR	Last Quarter
10	17°06' Virgo	1°37' Cancer	4°34' Virgo	11°17' Leo	9°29' Sagittarius	20°05' Sagittarius	22°26' Gemini	27°01' Gemini	14°56' AriesR	11°41' AquariusR	21°23' ScorpioR	21°16' TaurusR	Last Quarter
11	18°04' Virgo	13°28' Cancer	6°24' Virgo	11°36' Leo	10°07' Sagittarius	20°09' Sagittarius	22°29' Gemini	27°03' Gemini	14°54' AriesR	11°40' AquariusR	21°20' ScorpioR	21°15' TaurusR	Waning Crescent
12	19°03' Virgo	25°19' Cancer	8°15' Virgo	11°56' Leo	10°45' Sagittarius	20°14' Sagittarius	22°31' Gemini	27°04' Gemini	14°53' AriesR	11°39' AquariusR	21°15' ScorpioR	21°14' TaurusR	Waning Crescent
13	20°01' Virgo	7°14' Leo	10°08' Virgo	12°19' Leo	11°24' Sagittarius	20°19' Sagittarius	22°34' Gemini	27°05' Gemini	14°51' AriesR	11°38' AquariusR	21°07' ScorpioR	21°13' TaurusR	Waning Crescent
14	21°00' Virgo	19°16' Leo	12°01' Virgo	12°43' Leo	12°02' Sagittarius	20°24' Sagittarius	22°36' Gemini	27°06' Gemini	14°50' AriesR	11°37' AquariusR	20°57' ScorpioR	21°12' TaurusR	Waning Crescent
15	21°58' Virgo	1°29' Virgo	13°54' Virgo	13°09' Leo	12°41' Sagittarius	20°29' Sagittarius	22°38' Gemini	27°07' Gemini	14°48' AriesR	11°36' AquariusR	20°46' ScorpioR	21°11' TaurusR	New Moon
16	22°56' Virgo	13°52' Virgo	15°48' Virgo	13°36' Leo	13°20' Sagittarius	20°34' Sagittarius	22°40' Gemini	27°08' Gemini	14°47' AriesR	11°35' AquariusR	20°35' ScorpioR	21°10' TaurusR	New Moon
17	23°55' Virgo	26°28' Virgo	17°41' Virgo	14°05' Leo	13°59' Sagittarius	20°40' Sagittarius	22°43' Gemini	27°09' Gemini	14°45' AriesR	11°34' AquariusR	20°25' ScorpioR	21°08' TaurusR	New Moon
18	24°54' Virgo	9°15' Libra	19°35' Virgo	14°36' Leo	14°38' Sagittarius	20°46' Sagittarius	22°44' Gemini	27°09' Gemini	14°44' AriesR	11°33' AquariusR	20°17' ScorpioR	21°07' TaurusR	New Moon
19	25°52' Virgo	22°14' Libra	21°28' Virgo	15°08' Leo	15°17' Sagittarius	20°51' Sagittarius	22°46' Gemini	27°10' Gemini	14°42' AriesR	11°32' AquariusR	20°11' ScorpioR	21°06' TaurusR	Waxing Crescent
20	26°51' Virgo	5°24' Scorpio	23°20' Virgo	15°41' Leo	15°57' Sagittarius	20°57' Sagittarius	22°48' Gemini	27°11' Gemini	14°41' AriesR	11°31' AquariusR	20°08' ScorpioR	21°04' TaurusR	Waxing Crescent
21	27°49' Virgo	18°46' Scorpio	25°12' Virgo	16°16' Leo	16°36' Sagittarius	21°04' Sagittarius	22°50' Gemini	27°12' Gemini	14°39' AriesR	11°31' AquariusR	20°07' ScorpioR	21°03' TaurusR	Waxing Crescent
22	28°48' Virgo	2°19' Sagittarius	27°03' Virgo	16°52' Leo	17°16' Sagittarius	21°10' Sagittarius	22°51' Gemini	27°12' Gemini	14°38' AriesR	11°30' AquariusR	20°07' Scorpio	21°01' TaurusR	Waxing Crescent
23	29°47' Virgo	16°04' Sagittarius	28°53' Virgo	17°29' Leo	17°56' Sagittarius	21°16' Sagittarius	22°53' Gemini	27°13' Gemini	14°36' AriesR	11°29' AquariusR	20°08' Scorpio	21°00' TaurusR	First Quarter
24	0°45' Libra	0°02' Capricorn	0°42' Libra	18°08' Leo	18°36' Sagittarius	21°23' Sagittarius	22°54' Gemini	27°13' Gemini	14°34' AriesR	11°28' AquariusR	20°09' Scorpio	20°58' TaurusR	First Quarter
25	1°44' Libra	14°11' Capricorn	2°31' Libra	18°48' Leo	19°16' Sagittarius	21°30' Sagittarius	22°55' Gemini	27°14' Gemini	14°33' AriesR	11°27' AquariusR	20°08' ScorpioR	20°57' TaurusR	First Quarter
26	2°43' Libra	28°31' Capricorn	4°18' Libra	19°28' Leo	19°57' Sagittarius	21°37' Sagittarius	22°56' Gemini	27°14' Gemini	14°31' AriesR	11°27' AquariusR	20°06' ScorpioR	20°55' TaurusR	Waxing Gibbous
27	3°42' Libra	12°58' Aquarius	6°05' Libra	20°10' Leo	20°37' Sagittarius	21°44' Sagittarius	22°57' Gemini	27°14' Gemini	14°29' AriesR	11°26' AquariusR	20°01' ScorpioR	20°53' TaurusR	Waxing Gibbous
28	4°41' Libra	27°29' Aquarius	7°51' Libra	20°53' Leo	21°18' Sagittarius	21°51' Sagittarius	22°58' Gemini	27°15' Gemini	14°28' AriesR	11°25' AquariusR	19°55' ScorpioR	20°51' TaurusR	Waxing Gibbous
29	5°39' Libra	11°57' Pisces	9°36' Libra	21°37' Leo	21°59' Sagittarius	21°58' Sagittarius	22°59' Gemini	27°15' Gemini	14°26' AriesR	11°24' AquariusR	19°48' ScorpioR	20°49' TaurusR	Waxing Gibbous
30	6°38' Libra	26°16' Pisces	11°20' Libra	22°22' Leo	22°39' Sagittarius	22°06' Sagittarius	23°00' Gemini	27°15' Gemini	14°25' AriesR	11°24' AquariusR	19°41' ScorpioR	20°47' TaurusR	Full Moon

R marks a planet moving retrograde on that day.

This month in the sky

Retrograde stations

≈ 1 September, 18:00 UTCVenusturns direct10° Leo

Station times are read from the daily speed and rounded to the hour, so they are approximate.

Sign changes

7 September, 09:57 UTCMercuryenters Virgo

23 September, 05:16 UTCSunenters Libra

23 September, 14:36 UTCMercuryenters Libra

Moon phases

1 September, 09:20 UTCFull Moon8°45' Pisces

8 September, 16:14 UTCLast Quarter15°49' Gemini

16 September, 18:47 UTCNew Moon23°42' Virgo

24 September, 01:19 UTCFirst Quarter0°48' Capricorn

30 September, 18:57 UTCFull Moon7°24' Aries

Void of course Moon

≈ 2 September, 07:10 UTC→2 September, 20:29 UTClast aspect: Saturn square · enters Aries

≈ 4 September, 16:48 UTC→5 September, 00:47 UTClast aspect: Mercury trine · enters Taurus

≈ 7 September, 08:57 UTC→7 September, 09:06 UTClast aspect: Mercury square · enters Gemini

≈ 9 September, 05:24 UTC→9 September, 20:43 UTClast aspect: Saturn conjunction · enters Cancer

≈ 11 September, 10:11 UTC→12 September, 09:28 UTClast aspect: Sun sextile · enters Leo

≈ 14 September, 06:36 UTC→14 September, 21:07 UTClast aspect: Saturn sextile · enters Virgo

≈ 16 September, 18:47 UTC→17 September, 06:41 UTClast aspect: Sun conjunction · enters Libra

≈ 19 September, 01:00 UTC→19 September, 14:11 UTClast aspect: Saturn trine · enters Scorpio

≈ 21 September, 17:19 UTC→21 September, 19:55 UTClast aspect: Sun sextile · enters Sagittarius

≈ 23 September, 11:46 UTC→23 September, 23:57 UTClast aspect: Saturn opposition · enters Capricorn

≈ 24 September, 01:20 UTC→26 September, 02:28 UTClast aspect: Sun square · enters Aquarius

≈ 27 September, 16:32 UTC→28 September, 04:10 UTClast aspect: Saturn trine · enters Pisces

≈ 29 September, 18:29 UTC→30 September, 06:19 UTClast aspect: Saturn square · enters Aries

Classical method: the last exact aspect of the Moon to a planet from the Sun to Saturn opens the void, and the Moon's sign change closes it. The start is approximate, the end is exact.

Frequently Asked Questions

Which planets are retrograde in September 2031?

In September 2031 the stations are: Venus turns direct (1 September). The R in the table marks every day a planet is retrograde.

When is the Full Moon in September 2031?

The Full Moon is on 1 September at 09:20 UTC, in Pisces.

How do I read this table?

Each row is one day at 00:00 Universal Time and each column is one body. A cell gives the degree and minute within the sign, and an R means the body is moving retrograde that day. Read down a column to follow one planet, read across a row to see the whole sky on one date.

Calculated with Swiss Ephemeris. Positions are geocentric and in the tropical zodiac, for 00:00 Universal Time.

Data generated on 9 September 2026.