This year, the holiday officially marking the end of summer is Friday, September 4 thru Monday, September 7th. Here are some of the activities and festivals going on during the three day weekend.
Union Square Live
You can see free live music and dance performances in Union Square with "Union Square Live!" Performances on Sunday from 2pm to 4pm. No tickets required. *
Oakland A's Baseball The Oakland A's take on the Seattle Marin...