Information along with images have been leaked regarding Modern Warfare 3’s September DLC. The information has yet to be officially confirmed by the developers, hence you should just take it with a pinch of salt.
However, what’s interested is that the same source had previously mentioned hints about two maps which were confirmed later on as July’s downloadable content: Offshore and Decommission.
According to the rumor September will see to the release of three maps: Gulch, Parish and Boardwalk. Images of the maps are given below thanks to YouTuber Gamecheat13.
The rumor also states that August will see to the release of two spec ops missions; of which one is going to be a brand new game mode.