This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States from July to September 2021.
On average, there are 134 confirmed tornadoes in the United States in July, 83 in August, and 74 in September.
[1] All three months had varying levels of tornadoes that were produced from tropical cyclones.
Most of the tornado activity came from the tropics, including moderate to severe outbreaks produced by Tropical Storm Fred and Hurricane Ida, the latter of which continued into September.
Event in the Southeastern United States was associated with Hurricane Elsa.