The Sky over the Mornington Peninsula — September 2089
Highlights this month
- 2FriUranus at opposition — closest and brightest of the year, up all night in Aquarius (mag 5.8). (12:21am)
- 2FriMercury in inferior conjunction with the Sun — lost in the glare. (10:49am)
- 8ThuThe Moon passes Mars — 2° apart. (2:30am)
- 9FriThe Moon passes Jupiter — 2° apart. (10:15am)
- 11SunMercury is stationary — resumes direct (eastward) motion. (2:14am)
- 18SunMercury at greatest morning elongation (18° from the Sun, mag −0.4) — best morning apparition. (5:33pm)
- 22ThuSpring equinox.
- 23FriSaturn is stationary — begins retrograde (westward) motion. (4:17am)
- 26MonThe Moon passes Saturn — 3° apart. (1:37am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Thu 1 | 6:41am | 5:59pm | 11h 17m | 7:27pm | 5:14am |
| Sat 10 | 6:28am | 6:06pm | 11h 39m | 7:34pm | 5:00am |
| Tue 20 | 6:12am | 6:15pm | 12h 03m | 7:43pm | 4:44am |
| Fri 30 | 5:56am | 6:24pm | 12h 28m | 7:53pm | 4:27am |
Days lengthen by about 70 minutes over the month.
The Moon
- New MoonMon 5, 2:02am
- First QuarterMon 12, 4:04am
- Full MoonTue 20, 7:57am
- Last QuarterTue 27, 7:22pm
Perigee 3 Sep (359,100 km) · Apogee 16 Sep (405,700 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | 0.1 | 5:38am | 11:11am | 4:44pm | Hidden |
| Venus | Leo | −3.7 | 5:27am | 10:50am | 4:12pm | Hidden |
| Mars | Vir | 1.5 | 7:57am | 2:39pm | 9:21pm | Evening |
| Jupiter | Lib | −1.6 | 8:41am | 3:35pm | 10:28pm | Evening |
| Saturn | Tau | −0.1 | 12:27am | 5:22am | 10:17am | Morning |
| Uranus | Aqr | 5.8 | 4:54pm | 11:24pm | 5:58am | All night |
| Neptune | Leo | 7.9 | 5:09am | 10:27am | 3:44pm | Hidden |
The solar system — September 2089
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 29 August 2026.