The Sky over the Mornington Peninsula — September 2001
Highlights this month
- 10MonThe Moon passes Saturn — 0.2° apart. (10:51pm)
- 12WedThe Moon passes Jupiter — 0.9° apart. (10:23pm)
- 19WedMercury at greatest evening elongation (27° from the Sun, mag 0.1) — best evening apparition. (8:13am)
- 23SunSpring equinox.
- 25TueThe Moon passes Mars — 2° apart. (10:43am)
- 27ThuSaturn is stationary — begins retrograde (westward) motion. (12:30pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sat 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Mon 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Thu 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Sun 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonMon 3, 7:49am
- Last QuarterTue 11, 5:03am
- New MoonMon 17, 8:27pm
- First QuarterMon 24, 7:34pm
Apogee 2 Sep (406,200 km) · Perigee 17 Sep (358,000 km) · Apogee 29 Sep (405,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 0.1 | 7:16am | 1:48pm | 8:21pm | Evening |
| Venus | Leo | −3.7 | 5:09am | 10:25am | 3:41pm | Hidden |
| Mars | Sgr | −0.6 | 11:21am | 6:58pm | 2:36am | Evening |
| Jupiter | Gem | −1.9 | 2:51am | 7:36am | 12:22pm | Morning |
| Saturn | Tau | −0.1 | 12:47am | 5:40am | 10:32am | Morning |
| Uranus | Cap | 5.8 | 3:28pm | 10:19pm | 5:14am | Evening |
| Neptune | Cap | 7.8 | 2:13pm | 9:16pm | 4:24am | Evening |
The solar system — September 2001
Evening sky Morning sky Up much of the night Lost in the Sun’s glare
Open the full interactive orrery ↗ — fast-forward, pick any date, toggle the Moon and more.
Looking for an earlier month? Browse all past monthly guides →
Generated automatically from the MPAS sky engine on 15 July 2026.