NOAA's National Centers for Environmental Information
For the month of September there were two tornado-related fatalities reported in the U.S. The January-September fatality total stands at 123.
Important: The graph above-left represents the final number of tornadoes from January-June and preliminary tornado reports from July-September 2008. Final numbers from July-September are not yet available and may reflect a significant change, as represented by the error-bar above. Data current as of October 3, 2008.
The month of September brought more severe weather to the U.S. as 133 preliminary reports of tornadoes were received. Approximately 30 tornadoes were reported across Louisiana and Mississippi on September 2. These tornadoes were associated with Hurricane Gustav which made landfall in Louisiana on September 1. One of these tornadoes was rated an EF2 which claimed the lives of two people near Mamou, Louisiana. An additional 27 tornadoes were reported on the 13th and most were associated with the landfall of Hurricane Ike in Texas. Tornado statistics for September 2008 have yet to be finalized.
More information on severe weather can also be found on NCDC's Hazards page.