Saturday
September 13th, 1965 fell on a Monday.
September 13th, 1963 fell on a Friday.
It was a Tuesday.
It was a Sunday.
September 4 1986 was a Thursday.
18 September 1986 was a Thursday.
September 23, 1986 was a Tuesday.
Thursday
Sept. 29 1986 was a Monday: Source = http://www.courts.sa.gov.au/lawyers/magistrates_benchbook/perpetual_calendar/1901to2100calendar.htm
Grandparents Day, this year, was on Sept. 12, 2010.
24th Sept 1985 was a Tuesday.
Sept. 26 1997 was a Friday.