The ultimate guide to September's science fiction awesomeness!

September rocks your universe, with William Gibson's long-awaited novel Zero History, the return of your favorite TV shows including Fringe, Venture Bros. and Supernatural, and some of the year's coolest science fiction conventions. Here's the indispensible io9 calendar for September.

As always, you can download the io9 calendar as a printable PDF here. And if you have any cool events for September's calendar, drop us a line at calendar@io9.com.

Amazing design and layout by Stephanie Fox, and research/reporting by Kelly Faircloth.