President Trump on Thursday blamed Senate Majority Leader Mitch McConnell and House Speaker Paul Ryan for delaying the debt ceiling fight until the last minute, and said that delay will create a legislative "mess" in September.

"I requested that Mitch M & Paul R tie the Debt Ceiling legislation into the popular V.A. Bill (which just passed) for easy approval. They didn't do it so now we have a big deal with Dems holding them up (as usual) on Debt Ceiling approval. Could have been so easy-now a mess!" Trump tweeted.

Republican leaders last month considered tying an increase to the debt limit to a bill that funded a program that allows veterans to get medical care outside of Veterans Affairs medical facilities. But Congress ultimately passed the bill without the debt ceiling provision, and Trump signed the legislation into law this month.

Congress is under pressure to raise the debt limit before the end of September, which coincides with the deadline lawmakers have to pass a government spending bill or face a partial government shutdown.

Trump has spent August going head-to-head with McConnell, R-Ky., on Twitter to criticize the majority leader, specifically for his inability to pass a Senate bill repealing and replacing Obamacare.

Trump continued those criticisms later on Thursday morning.

"The only problem I have with Mitch McConnell is that, after hearing Repeal & Replace for 7 years, he failed!That should NEVER have happened!" Trump tweeted.