As expected the September Patch Tuesday updates are available via Windows Update so you can grab them and get your system updated.
You can see all the details of this set of patches by reviewing the Microsoft Security Bulletin Summary for September 2010 which has now been updated with all the info on each vulnerability and update.
The updates have also been posted to the Microsoft Download Center for easy access as well if you prefer that method. Just visit the Microsoft Download Center to see them.
Want to grab all the September updates in one place? Well an option is to down this September 2010 Security Release ISO Image and burn it to a CD-ROM as that will place all of the September updates in one spot for you to update remote computers that may not have Internet access.
Of course if your connected to the Internet then the best way to make sure the right updates get on your system is to let Windows Update check for them. That ensures only those specific to your system gets installed.
So are you an Automatic type or do you go get these things Manually?