This is the last full week of summer. As the nights lengthen, the bright stars of summer; Vega and Arcturus, stick around in the evening night sky. Venus is low in the evening sky. Jupiter and Saturn are in the southeast. The moon grows to a first-quarter on September 13th. By the end of the week, the moon will be almost full. Next to the moon Jupiter and Saturn Sparkle in Capricornus.