The Beard Says YEP to WSJ's rumor so count on it, that's as good as gold, we are on like Voltron.
http://www.loopinsight.com/2013/08/12/apples-rumored-september-10-iphone-event/
http://allthingsd.com/20130810/circle-sept-10-on-your-calendar-for-apples-big-iphone-event/
Less certain rumors:
http://9to5mac.com/2013/08/11/iphone-5s-plus-gold-model-iphone-5c-will-actually-be-names-of-next-iphones/
http://www.loopinsight.com/2013/08/12/apples-rumored-september-10-iphone-event/
http://allthingsd.com/20130810/circle-sept-10-on-your-calendar-for-apples-big-iphone-event/
Less certain rumors:
http://9to5mac.com/2013/08/11/iphone-5s-plus-gold-model-iphone-5c-will-actually-be-names-of-next-iphones/