French Foreign Ministry condemned Iranian authorities' decision to close France's language centre in Tehran.

Howard Marks, co‑chair of Oaktree Capital Management, said he favors the Federal Reserve cutting back public guidance and generally stepping back from active intervention, except when the economy risks getting out of control (for example, overheating or a sharp downturn). He noted Fed chair Kevin Warsh is seeking to pare some guidance measures, which Warsh has said have constrained the Fed's room for maneuver. Marks added that reduced policy guidance would force investors to build more antifragile portfolios—a net societal benefit—and called for an AI working group to study AI's impact on key economic areas such as the labor market.

At 12:03 p.m. Beijing time on Sept. 20, a Lijian-1 Yao-18 carrier rocket lifted off from the Dongfeng Commercial Aerospace Innovation Test Zone, placing nine satellites into their planned orbits. Payloads included Qinling-01 and -02, Pujiang-4, the Pengcheng inaugural satellite, Diting-01 A/B/C, Super-Compute-1 and the Yunxiao Pathfinder; the mission was declared successful.