September 30, 2021
At 9 pm you will find Jupiter and Saturn in the south. You can confirm that you have found these planets with the twinkle test. Generally, stars appear to twinkle, planets do not. The bright star to the northwest of Jupiter and Saturn is Altair and the bright star to their southeast is Fomalhaut.
Jupiter and Saturn can be found in the south by 9 pm. As light passes through Earth’s atmosphere it is distorted. An example of this is called scintillation which is why stars twinkle. Image created using Stellarium.