September 11th can be on any day of the week
It was a Friday.
Sunday
It was a Tuesday.
September 11 2001 was a Tuesday.
Sept. 11, 1930 was on a Thursday.
The 11th of September 1958 was a Thursday.
September 11th, 2003 fell on a Thursday.
Tuesday
Tuesday, September 11, 2001 was the day of the attacks.
The tragedy of Sept. 11, 2000 occurred on a MONDAY morning!
It was a Tuesday.
The day of the week for September 11 1998 is Friday