September 5, 2012 (El Cajon) – The San Diego East County Chamber of Commerce is holding its First Friday Breakfast on September 7 at the German-American Club of El Cajon, 1017 S. Mollison Ave., El Cajon at 7:15 a.m. The September breakfast marks the end of summer and the beginning of the busy autumn season. Learn why El Cajon Oktoberfest is the most authentic in San Diego County.