According to
http://www.fmqb.com/article.asp?id=1460026 ...
Nirvana's classic debut album, Bleach, will be re-issued in a deluxe 20th anniversary edition on November 3. Sub Pop will release the record remastered from the original tapes with a second CD featuring an unreleased live recording of a concert from February 9, 1990 in Portland, OR. The deluxe Bleach will also include a 48-page booklet featuring previously unseen photos of Nirvana.
Note new release date of November 3 ...
Amazon still has it listed as Sept. 22 ...