Joseph R. Biden Jr.’s campaign said on Sunday that it entered September with $466 million in the bank together with the Democratic Party, providing Mr. Biden a vast financial advantage of about $141 million over President Trump heading into the intense final stretch of the campaign…

Mr. Trump and his joint operations with the Republican National Committee entered September with $325 million, according to Mr. Trump’s communications director, Tim Murtaugh…

Democratic donations surged further over the weekend. Following the death of former Justice Ruth Bader Ginsburg, which opened a vacancy that could tilt the ideological bearing of the Supreme Court further to the right, contributors shattered records on ActBlue, the biggest online processing platform for the left.

Donors gave more than $100 million over the weekend after her passing.