Here's why:

* Opposition: Aquarius reaches opposition to the Sun in mid-September, meaning it's directly opposite the Sun in the sky. This is when it's at its highest point and most visible.

* Visibility: Aquarius is a relatively faint constellation, so it's best viewed under dark, clear skies away from light pollution.

* Location: As the sky darkens after sunset, look for Aquarius low in the eastern sky and it will climb higher as the night progresses.

Tips for finding Aquarius:

* Look for its "Water Jar" shape: The constellation is shaped like a stream of water pouring from a pitcher.

* Use a star chart or app: Astronomy apps can help you locate Aquarius in the night sky.

* Find neighboring constellations: Aquarius is located near Pegasus and Pisces. Using these constellations as landmarks can help you pinpoint Aquarius.

Remember that the best time to see Aquarius will vary slightly depending on your specific location and the time of year.