SDMB Social Calendar for September

Dopefests-at-a-glance:

http://fff.fathom.org/cgi-bin/calendars/calendar.pl?calendar=teemingmillions

These are the get-togethers that I know about that are happening in September. If you know of another one please add it, or correct any misinformation.

(you can add events after September, too, if you have them planned)