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, 1260
Day of Week 3rd » The Mamluks defeat the Mongols at the Battle of Ain Jalut in Palestine (region) known as Palestine, marking their first decisive defeat and the point of maximum expansion of the Mongol Empire.
Day of Week 4th » The Siena Sienese Ghibellines, supported by the forces of Manfred, King of Sicily, defeat the Florence Florentine Guelphs at battle of Montaperti Montaperti.
Day of Week 20th » the Great Prussian Uprising among the old Prussians begins against the Teutonic Knights.