List of United States tornadoes from September to October 2011

This is a list of all tornadoes that were confirmed by local offices of the National Weather Service in the United States in September 2011.

September 3 event

 * This events were related to Tropical Storm Lee.

September 4 event

 * The events in AL, MS, and FL were related to Tropical Storm Lee.

September 5 event

 * The events were related to Tropical Storm Lee.

September 6 event

 * The events were related to Tropical Storm Lee.

September 7 event

 * The events were related to Tropical Storm Lee.