September Astronomy Highlights
This month Venus will appear before dawn and will be the brightest of the year.
Mercury will reach its highest point on September 6.
By September 11, the crescent Moon joins Venus.
On September 21, Mercury will be the morning star below Venus.
Autumn arrives on September 23 at 2:50 a.m.
Last Quarter: September 6
New Moon: September 14
First Quarter: September 22
Full Moon: September 29