WWD has an article about which celebrities will cover this year's September issues. Often the celebrity on the cover is promoting a movie. For example, Julia Roberts is covering Elle while promoting Eat, Pray, Love. Here is the list.
Jennifer Aniston will cover Harper’s Bazaar
Julia Roberts in Elle
Vanity Fair will feature Lady Gaga
T: The New York Times Style Magazine will feature Freida Pinto
W will have a group cover that will include "relative unknowns and Young Hollywood-ettes including Emma Roberts, Zoë Kravitz and Jennifer Lawrence"