September 1931

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
10. 1 83%
11. 2 75%
12. 3 66%
13. 4 57%
14. 5 Last qtr
15. 6 36%
16. 7 26%
17. 8 17%
18. 9 9%
19. 10 4%
20. 11 0%
21. 12 New
22. 13 3%
23. 14 9%
24. 15 17%
25. 16 27%
26. 17 37%
27. 18 First qtr
28. 19 59%
29. 20 68%
30. 21 77%
31. 22 85%
32. 23 91%
33. 24 96%
34. 25 99%
35. 26 Full
36. 27 99%
37. 28 97%
38. 29 93%
39. 30 87%

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

Events in September 1931

1. Fri, Sep 48:03 PM

   Mercury at inferior conjunction

   Passes between Earth and the Sun and is lost in its glare.

2. Sat, Sep 53:21 AM

   Last Quarter

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

3. Sat, Sep 511:26 PM

   Mercury, Neptune, and Venus gathered

   All within 6.3° of each other in the sky.

4. Mon, Sep 711:32 PM

   Venus behind the Sun

   On the far side of the Sun and lost in its glare.

5. Wed, Sep 91:25 PM

   Moon and Jupiter close together

   They pass 3.7° apart in the sky.

6. Fri, Sep 114:38 AM

   Moon and Neptune close together

   They pass 1.9° apart in the sky.

7. Fri, Sep 115:34 AM

   Moon and Mercury close together

   They pass 4.5° apart in the sky.

8. Fri, Sep 116:15 AM

   Mercury, Moon, and Neptune gathered

   All within 4.5° of each other in the sky.

9. Sat, Sep 1212:26 AM

   New Moon

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

10. Sat, Sep 1212:40 AM

    Partial solar eclipse

    The Moon covers part of the Sun.

11. Sat, Sep 122:19 AM

    Moon and Venus close together

    They pass 0.0° apart in the sky.

12. Sat, Sep 12

    Perigee

    The Moon's closest point to Earth on this orbit: 357,700 km.

13. Sat, Sep 127:14 PM

    Mercury and Neptune close together

    They pass 2.2° apart in the sky.

14. Mon, Sep 143:55 PM

    Moon and Mars close together

    They pass 2.0° apart in the sky.

15. Wed, Sep 163:03 AM

    Mercury and Neptune close together

    They pass 1.2° apart in the sky.

16. Fri, Sep 184:37 PM

    First Quarter

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

17. Sun, Sep 2010:59 PM

    Mercury at greatest elongation

    18° from the Sun in the morning sky, its best showing before sunrise.

18. Wed, Sep 238:23 PM

    September equinox

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

19. Sat, Sep 263:45 PM

    Full Moon Harvest MoonMicromoon

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

20. Sat, Sep 263:48 PM

    Total lunar eclipse

    The Moon passes fully into Earth's shadow and turns a dim copper red.

21. Sat, Sep 26

    Apogee

    The Moon's farthest point from Earth on this orbit: 406,300 km.

22. Sun, Sep 279:36 PM

    Moon and Uranus close together

    They pass 1.8° apart in the sky.

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