Democratic presidential nominee Joe Biden, seen here on Aug. 31 in West Mifflin, Pa., set a monthly record for presidential fundraising.

WEST MIFFLIN, PENNSYLVANIA – AUGUST 31: Democratic presidential candidate former Vice President Joe Biden gestures as he steps off his plane after landing at Allegheny County Airport on August 31, 2020 in West Mifflin, Pennsylvania. Biden is traveling to Pittsburgh today and will speak on the protests against racism and police violence in Kenosha, Wisconsin and Portland, Oregon. (Photo by Alex Wong/Getty Images)