September 2021

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
11. 1 28%
12. 2 20%
13. 3 13%
14. 4 7%
15. 5 2%
16. 6 New
17. 7 1%
18. 8 4%
19. 9 9%
20. 10 16%
21. 11 26%
22. 12 37%
23. 13 First qtr
24. 14 59%
25. 15 70%
26. 16 80%
27. 17 88%
28. 18 94%
29. 19 98%
30. 20 Full
31. 21 99%
32. 22 97%
33. 23 93%
34. 24 87%
35. 25 80%
36. 26 72%
37. 27 63%
38. 28 Last qtr
39. 29 45%
40. 30 35%

• Moon phase
• Perigee or apogee
• Eclipse
• Planets
• Equinox or solstice

Events in September 2021

1. Mon, Sep 68:52 PM

   New Moon

   The Moon passes between Earth and the Sun and cannot be seen. These are the darkest nights of the month.

2. Tue, Sep 73:24 PM

   Moon and Mars close together

   They pass 3.8° apart in the sky.

3. Fri, Sep 1012:48 AM

   Moon and Venus close together

   They pass 3.7° apart in the sky.

4. Sat, Sep 11

   Perigee

   The Moon's closest point to Earth on this orbit: 368,500 km.

5. Mon, Sep 134:39 PM

   First Quarter

   Half of the disc is lit. The Moon is high at sunset and sets around midnight.

6. Tue, Sep 1412:26 AM

   Mercury at greatest elongation

   27° from the Sun in the evening sky, its best showing after sunset.

7. Tue, Sep 145:12 AM

   Neptune at opposition

   Opposite the Sun in the sky: up all night and at its brightest for the year.

8. Fri, Sep 1712:13 AM

   Moon and Saturn close together

   They pass 3.7° apart in the sky.

9. Sat, Sep 185:13 AM

   Moon and Jupiter close together

   They pass 3.8° apart in the sky.

10. Mon, Sep 207:39 AM

    Moon and Neptune close together

    They pass 3.6° apart in the sky.

11. Mon, Sep 207:55 PM

    Full Moon Harvest Moon

    The whole disc is lit. The Moon rises around sunset and stays up all night.

12. Wed, Sep 223:20 PM

    September equinox

    Day and night are nearly equal. Autumn begins in the northern hemisphere and spring in the southern.

13. Fri, Sep 2412:55 PM

    Moon and Uranus close together

    They pass 1.3° apart in the sky.

14. Sun, Sep 26

    Apogee

    The Moon's farthest point from Earth on this orbit: 404,600 km.

15. Tue, Sep 289:57 PM

    Last Quarter

    Half of the disc is lit. The Moon rises around midnight and is up through the morning.

Times are local to America/New York. Each Moon is drawn as it looks at midday.