It was a Saturday.
July 23, 1932 was on a Saturday.
July 2nd, 1932 was a Saturday.
It was a Sunday.
It was a Sunday.
9th July 1994 was a Saturday.
July 9th 1977 was a Saturday.
July 9th 1967 was a Sunday.
Thursday.
July 9th, 1958 fell on a Wednesday.
July 9th, 1956 fell on a Monday.
July 9th, 2000 fell on a Sunday.
The 9th of August can occur on any day of the week. As the question was asked in July 2014, it is possible you were referring to August of 2014, in which case the answer is Saturday.