September is the ninth month of the year in the Julian and Gregorian Calendars and one of four months with a length of 30 days. September in the Northern Hemisphere is the seasonal equivalent of March in the Southern Hemisphere. In the Northern hemisphere, the beginning of the meteorological autumn is on the 1st of September. In the Southern hemisphere, the beginning of the meteorological spring is on the 1st of September.
September symbols: The birthstone of September is the sapphire. The birth flowers for September are the forget-me-not, morning glory and aster. The zodiac signs for the month of September are Virgo (until September 21) and Libra (from September 22 onwards).
Historical Events for September, 1609
Day of Week 11th » Henry Hudson discovers Manhattan Island and the indigenous people living there.
Day of Week 12th » Henry Hudson begins his exploration of the Hudson River while aboard the 'Halve Maen'.
Day of Week 13th » Henry Hudson reaches the river that would later be named after him the Hudson River.