September 2018

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
14. 1 66%
15. 2 Last qtr
16. 3 44%
17. 4 33%
18. 5 22%
19. 6 13%
20. 7 6%
21. 8 2%
22. 9 New
23. 10 1%
24. 11 5%
25. 12 11%
26. 13 19%
27. 14 28%
28. 15 37%
29. 16 First qtr
30. 17 57%
31. 18 66%
32. 19 75%
33. 20 82%
34. 21 89%
35. 22 94%
36. 23 98%
37. 24 Full
38. 25 100%
39. 26 97%
40. 27 93%
41. 28 87%
42. 29 79%
43. 30 69%

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

Events in September 2018

1. Sun, Sep 210:37 PM

   Last Quarter

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

2. Fri, Sep 72:18 PM

   Neptune at opposition

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

3. Fri, Sep 7

   Perigee

   The Moon's closest point to Earth on this orbit: 361,300 km.

4. Sat, Sep 86:54 PM

   Moon and Mercury close together

   They pass 0.9° apart in the sky.

5. Sun, Sep 92:02 PM

   New Moon

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

6. Fri, Sep 1412:33 AM

   Moon and Jupiter close together

   They pass 4.2° apart in the sky.

7. Sun, Sep 167:15 PM

   First Quarter

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

8. Mon, Sep 1712:24 PM

   Moon and Saturn close together

   They pass 2.1° apart in the sky.

9. Wed, Sep 19

   Apogee

   The Moon's farthest point from Earth on this orbit: 404,900 km.

10. Thu, Sep 2012:22 AM

    Moon and Mars close together

    They pass 4.8° apart in the sky.

11. Thu, Sep 209:36 PM

    Mercury behind the Sun

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

12. Sat, Sep 229:54 PM

    September equinox

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

13. Sun, Sep 231:21 PM

    Moon and Neptune close together

    They pass 2.3° apart in the sky.

14. Mon, Sep 248:22 PM

    Venus at its brightest

    Shines at magnitude -4.8, as bright as it gets this time around.

15. Mon, Sep 2410:53 PM

    Full Moon Harvest Moon

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

16. Thu, Sep 276:10 AM

    Moon and Uranus close together

    They pass 4.5° apart in the sky.

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