what month is september in numbers
The Gregorian calendar and the Julian calendar both consist of the following twelve months: 1  January - 31 days. 2  February - 28 days; 29 days in Leap Years. 3  March - 31 days. 4  April - 30 days. 5  May - 31 days. 6  June - 30 days. 7  July - 31 days. 8  August - 31 days. 9  September - 30 days. 10  October - 31 days. 11  November - 30 days. 12  December - 31 days.