Saturday Sept 6, 12:00 pm - 11:00 pm
Guinness Oyster Festival
Roscoe between Damen & Leavitt
Link to info & map:
http://www.chicagoevents.com/event.cfm?eid=119 

Saturday Sept 13, 11:00 am - 3:00 pm
2nd Annual Sandburg Septemberfest and Art/Craft Show
1355 N. Sandburg Terrace, mall area behind the building
Link to map/directions:
http://maps.google.com/maps?um=1&ie=UTF-8&q=Sandburg+Village,+Chicago+IL&fb=1&view=text&latlng=5899251889669379038  

Saturday Sept 20 and Sunday Sept 21, 9:00 am - 5:00 pm both days
12th Annual Art In the Park (sponsored by Knights of Columbus)
Portage Park, Chicago Park District, Irving Park & Central Avenues, Chicago IL
Eight city blocks of Crafter, Artist and Vendors!
Link to map/directions:
http://maps.google.com/maps?q=Portage+Park,+Chicago,+IL,+USA&ie=UTF8&ll=41.967787,-87.765999&spn=0.050032,0.1157&z=13&iwloc=addr&om=1