Ephemeris Star Charts – September 2026

Contents:


The charts contain the entire dome of the sky as seen from around 45 degrees north latitude and at the dates and times for the locations listed below.

Planet positions are plotted for the 15th of the month. The moon is not shown. To track the planet positions at weekly intervals go to my Ephemeris Blog for my Wednesday posting at bobmoler.blog.

The charts contain the entire dome of the sky as seen from around 45 degrees north latitude and at the dates and times for the locations listed below.

September Evening Star Chart


September Morning Star Chart

For early birds I’m including a morning star chart too, which shows the stars we’ll see in the evening 4 months from now.

If you want to convert the above times for your locality in North America click here.

The outer edge of the chart is the horizon with the compass points marked. The chart is oriented as one is looking south. The constellation outlines in magenta are those of the Zodiac. The magenta line is the ecliptic, the path of the sun. The white line that passes through the east and west compass points is the celestial equator, above the earth's equator. The white lines that cross in the north at the north celestial pole are major right ascension lines and are like meridians on the earth.

Also on the sky dome are helps to locate other stars and constellations from the Big Dipper, and asterisms.

Twilight, Astronomical and Nautical





EDT






Morning

Twilight

Evening

Twilight

Dark

Night

Moon

Date

Astro.

Nautical

Nautical

Astro.

Start

End

Illum.

2026-09-01

5h22m

6h00m

21h29m

22h07m

-

-

73%

2026-09-02

5h24m

6h02m

21h27m

22h05m

22h05m

22h33m

63%

2026-09-03

5h25m

6h03m

21h25m

22h03m

22h03m

23h16m

52%

2026-09-04

5h27m

6h05m

21h23m

22h00m

22h00m

-

40%

2026-09-05

5h28m

6h06m

21h21m

21h58m

21h58m

0h11m

29%

2026-09-06

5h30m

6h07m

21h19m

21h56m

21h56m

1h20m

19%

2026-09-07

5h32m

6h09m

21h17m

21h54m

21h54m

2h37m

11%

2026-09-08

5h33m

6h10m

21h15m

21h51m

21h51m

3h58m

5%

2026-09-09

5h35m

6h11m

21h13m

21h49m

21h49m

5h18m

1%

2026-09-10

5h36m

6h13m

21h11m

21h47m

21h47m

5h36m

0%

2026-09-11

5h38m

6h14m

21h09m

21h45m

21h45m

5h38m

1%

2026-09-12

5h39m

6h15m

21h07m

21h43m

21h43m

5h39m

5%

2026-09-13

5h40m

6h17m

21h05m

21h41m

21h41m

5h40m

11%

2026-09-14

5h42m

6h18m

21h03m

21h38m

21h38m

5h42m

18%

2026-09-15

5h43m

6h19m

21h01m

21h36m

21h36m

5h43m

26%

2026-09-16

5h45m

6h20m

20h59m

21h34m

22h08m

5h45m

35%

2026-09-17

5h46m

6h22m

20h57m

21h32m

22h50m

5h46m

44%

2026-09-18

5h48m

6h23m

20h55m

21h30m

23h40m

5h48m

53%

2026-09-19

5h49m

6h24m

20h53m

21h28m

-

5h49m

63%

2026-09-20

5h50m

6h25m

20h51m

21h26m

0h39m

5h50m

72%

2026-09-21

5h52m

6h27m

20h49m

21h24m

1h43m

5h52m

80%

2026-09-22

5h53m

6h28m

20h47m

21h22m

2h50m

5h53m

87%

2026-09-23

5h54m

6h29m

20h45m

21h20m

3h59m

5h54m

93%

2026-09-24

5h56m

6h31m

20h43m

21h18m

5h08m

5h56m

97%

2026-09-25

5h57m

6h32m

20h41m

21h16m

-

-

100%

2026-09-26

5h58m

6h33m

20h39m

21h13m

-

-

100%

2026-09-27

6h00m

6h34m

20h37m

21h11m

-

-

97%

2026-09-28

6h01m

6h35m

20h35m

21h09m

-

-

92%

2026-09-29

6h02m

6h37m

20h33m

21h08m

-

-

85%

2026-09-30

6h04m

6h38m

20h31m

21h06m

21h06m

21h15m

76%


The above was created by the calendar function of Cartes du Ciel (Sky Charts)

Monthly Evening Star Chart for Observers in the Southern Hemisphere

The chart contains the entire dome of the sky as seen from around 26 degrees south latitude at 2 hours after sunset on the 15th of the month.

Planet positions are also plotted for the 15th of the month. The moon is not shown. The Magellanic Clouds, which are satellite galaxies of the Milky Way. The Large Magellanic Cloud is located in the constellation Dorado (Dor) the Flying Fish. The Small Magellanic Cloud is located in the constellation of Tucana (Tuc) the Toucan.


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Questions or comments, send an email to: brelom@gmail.com

Updated 09/01/26