“I understand the reaction at the end, as that’s the results we’ve had. It’s an emotional reaction,” he added.
“There’ll be a lot of noise but that will be around me and that is absolutely fine. It’s my job to take that pressure for them.”
England have one final Nations League game against Germany on Monday. Southgate will then pick the team he thinks has the best chance of winning the World Cup in Qatar.
The Three Lions begin the tournament against Iran on November 21. There are unlikely to be any warm-up friendlies due to the congested club fixture schedule.