Uploaded September 2025 | Updated September 2026, 2 weeks ago

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What are some skywatching highlights in September 2025?

Saturn shines all month long, a conjunction between a planet, star, and the Moon, and we ring in the autumnal equinox.

0:00 Intro
0:04 Saturn viewing
0:58 A sunrise conjunction
1:46 The autumnal equinox
2:11 September Moon phases

Additional information about topics covered in this episode of What's Up, along with still images from the video, and the video transcript, are available at science.nasa.gov/skywatching/whats-up.