what month is 9

The 9th month of the year is September. It has 30 days and is known as the start of autumn in the Northern Hemisphere and spring in the Southern Hemisphere. The name September comes from the Latin word "septem," meaning seven, as it was originally the seventh month in the Roman calendar before January and February were added. September is also associated with the zodiac signs Virgo (until September 22) and Libra (starting September 23) and has the sapphire as its birthstone. It marks the beginning of the ecclesiastical year in the Eastern Orthodox Church and the academic year in many countries of the Northern Hemisphere. September was originally the seventh month but became the ninth following calendar reforms.