Tour September's Sky by Eye and Ear!
Every September, the Sun reaches the autumnal equinox — the point in its annual travels at which it's directly over the equator, heading south in the sky. In 2012, this equinox occurs on the 22nd.
Meanwhile, Jupiter is gradually moving out of the predawn sky, leaving Venus in complete dominance there, and now rises around midnight. In a few months it will dominate the evening sky.
To get a personally guided tour of these sky sights and others, all visible to the unaided eye, you can download September's 6-minute-long audio sky tour. It's a 6-MB MP3 file. Enjoy!