Ted Cruz and Rand Paul will headline the Sept. 10 event. | AP Photos Paul, Cruz plan anti-Obamacare rally

Obamacare opponents are planning a defunding rally for the first day lawmakers return from August recess and just three weeks before millions can start enrolling in coverage.

Republican Sens. Ted Cruz of Texas, Rand Paul of Kentucky and Mike Lee of Utah), who have been leading calls in the Senate to defund the law in any spending bills, will headline the Sept. 10 Exempt America from Obamacare event, organized by Tea Party Patriots and ForAmerica, along with other conservative groups.


“Democrats will stop at nothing to protect the president’s signature legislation, and too many Republicans are afraid to fight,” rally organizers wrote.

( PHOTOS: 25 unforgettable Obamacare quotes)

They also took a shot at this month’s Office of Personnel Management rule allowing the federal government to continue subsidizing health plans for lawmakers and their aides.

“Even Big Government is getting a carve out now,” they wrote.

Eighty House members last week signed a letter, calling on Congress to defund the health care law in upcoming fiscal battles, but the GOP establishment is wary of risking a government shutdown over Obamacare.