- 10 September 2024 – Russian invasion of Ukraine
- Iran and the Russian invasion of Ukraine
- U.S. Secretary of State Antony Blinken claims that Russia has received a shipment of Fath 360 tactical ballistic missiles from Iran, and expects their deployment "within weeks". Iran denies the reports, calling it "psychological warfare". (The Telegraph)
- The United Kingdom, France and Germany announce new sanctions on Iran for supplying Russia with ballistic missiles against Ukraine. (BBC)
- 9 September 2024 – Syrian civil war
- Iran–Israel conflict during the Syrian civil war
- At least 25 people are killed and more than 40 others are injured in overnight Israeli airstrikes targeting Iranian research centers in Syria, according to the Syrian Observatory for Human Rights. (The Guardian) (Syriahr)
- 9 September 2024 –
- The exiled National Council of Resistance of Iran claim that its offices in Stockholm, Sweden, were firebombed overnight with Molotov cocktails. The Swedish Police Authority announces that they have opened an investigation into the arson. (Al Arabiya)