The Sky over the Mornington Peninsula — September 2157
Highlights this month
- 7WedMercury in superior conjunction with the Sun — lost in the glare. (3:22am)
- 8ThuThe Moon passes Venus — 4° apart. (6:36pm)
- 11SunThe Moon passes Mars — 4° apart. (6:37pm)
- 12MonUranus is stationary — resumes direct (eastward) motion. (10:10am)
- 19MonVenus at greatest evening elongation (46° from the Sun, mag −4.4) — best evening apparition. (8:14pm)
- 23FriSpring equinox.
- 30FriSaturn in superior conjunction with the Sun — lost in the glare. (4:23am)
- 30FriNeptune is stationary — resumes direct (eastward) motion. (1:45pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Thu 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:14am |
| Sat 10 | 6:28am | 6:06pm | 11h 38m | 7:34pm | 5:01am |
| Tue 20 | 6:13am | 6:15pm | 12h 02m | 7:43pm | 4:45am |
| Fri 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- New MoonSun 4, 6:24am
- First QuarterMon 12, 10:25am
- Full Moon SupermoonMon 19, 10:22am
- Last QuarterMon 26, 12:52am
Apogee 7 Sep (405,900 km) · Perigee 20 Sep (357,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −1.1 | 6:44am | 12:44pm | 6:45pm | Hidden |
| Venus | Lib | −4.3 | 8:06am | 3:05pm | 10:04pm | Evening |
| Mars | Oph | 0.4 | 9:54am | 5:19pm | 12:45am | Evening |
| Jupiter | Leo | −1.6 | 5:31am | 10:55am | 4:19pm | Hidden |
| Saturn | Vir | 0.9 | 7:02am | 1:05pm | 7:07pm | Hidden |
| Uranus | Sgr | 5.7 | 11:34am | 6:57pm | 2:24am | Evening |
| Neptune | Sgr | 7.9 | 12:49pm | 8:03pm | 3:21am | Evening |
The solar system — September 2157
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 September 2026.
