Hillary Clinton leads Donald Trump by an average of six points in the battlegrounds states of Pennsylvania and North Carolina. A recent CBS Battleground Tracker poll shows Clinton besting Trump 45 percent to 37 percent in Pennsylvania and 46 percent to 42 percent in North Carolina.

Voters Still Struggled by Trump Hard-line Immigration Stance 

In a week where Trump traveled to Mexico to meet with President Enrique Pena Nieto, the poll of 3,675 registered voters in 13 battleground states found that 47 percent of all voters feel his long controversial and hard-line stance on immigration has not changed.

The republican nominee launched his campaign be deriding Mexicans as "rapists" and "criminals" and vowing to deport as many as 11 million undocumented immigrants.

Meanwhile, Clinton continues to face a backlash stemming from her ongoing email troubles, with almost halve of all the polled respondents insisting her explanations for using a private email server while secretary of state are growing "less than believable."

Clinton Also up in Florida, Ohio 

Still, a recent Real Clear Politics average poll finds the former first lady topping Trump in the equally critical states of Florida and Ohio by an average of three and two points respectively, with Trump's path to the needed 270 electoral votes needed to ascend to the White House looking narrower and narrower.

In Iowa, a recent Emerson College survey has Trump leading by five points at 44 percent to 39 percent.

The Iowa poll was conducted from August 31 to September 1, and has a margin of error of 3.9 percent.

Overall, FiveThirtyEight's poll project Clinton's probability of emerging as President Barack Obama's successor at 71 percent.

A major part of Trump's struggles have stemmed from his struggle Latino voters. Beyond vowing to carry out mass deportations, Trump has also vowed to build a massive wall along the Mexican border to further keep immigrants out.