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September 2026 Roundup: Iran, the Gulf and the Strait of Hormuz

Tanker strikes, missiles at Gulf bases, Houthi attacks and stalled talks on the Strait of Hormuz: a dated timeline of September’s U.S.–Iran war.

ByPeter Peters
U.S. Navy helicopter flying over a warship in hazy waters during a Strait of Hormuz transit
The Eisenhower Carrier Strike Group transits the Strait of Hormuz, 2012. U.S. Navy photo by Petty Officer 3rd Class Janae Chambers (public domain), via Wikimedia Commons.

WASHINGTON — September was the month the U.S.–Iran war moved to sea. After a summer in which a June memorandum of understanding briefly paused the fighting and then frayed, U.S. forces began destroying Iranian-linked tankers, Iran fired ballistic missiles at U.S. warships and Gulf bases, and the Iran-backed Houthi movement reopened attacks on Saudi Arabia. This roundup puts our short September reports on Iran, the Gulf and the Strait of Hormuz into one dated timeline, with the official source first wherever one exists, and adds our analysis of what the month changed.

Each entry links to our original report. Claims by parties to the war are labeled as claims.

Before September: how the summer set the stage

June 25–26: First strikes after the memorandum

U.S. Central Command said its aircraft struck Iranian missile and drone storage sites and coastal radar on June 26, a day after an Iranian one-way attack drone hit the Singapore-flagged cargo ship Ever Lovely as it left the strait along the Omani coast. CENTCOM said the attack “clearly violated the ceasefire.” Original report: CENTCOM Issues Statement on New U.S. Strikes Against Iran in Response to Attack on Commercial Vessel.

July 7: Three ships hit near the strait

A U.S. official called Iranian fire on three commercial vessels in Omani waters a “gross violation” of the memorandum, CNN reported. Qatar’s Foreign Ministry said its LNG tanker al-Rakiyat was among the ships struck. CENTCOM later said it hit more than 80 targets in response, including air defenses, coastal radar and fast boats, the BBC reported. Original report: Iran Escalates Tensions in the Strait of Hormuz as Risk of U.S. Military Response Grows.

July 11: The IRGC Navy declares the strait closed

The Islamic Revolutionary Guard Corps Navy said the Strait of Hormuz was closed to all traffic “until further notice,” citing U.S. and Israeli “provocations,” according to Iran International. Washington did not recognize the declaration. Original report: BREAKING: IRGC Navy Announces Closure of Strait of Hormuz.

July 29–30: A drone strikes gas vessels at Damietta

Egypt’s cabinet said a drone caused the July 29 fire that damaged two gas vessels at the Mediterranean port of Damietta and that no party had claimed responsibility, Khaleej Times reported. Trading sources named the U.S.-owned storage unit Energos Winter as the vessel hit. Egypt has not attributed the attack. Original report: Report: Alleged Iranian Drone Attack on US Gas Tanker at Egyptian Port of Damietta.

August 1: Trump calls off a planned strike

President Donald Trump wrote on Truth Social that he had canceled an attack on Iran “subject to being able to rapidly make a DEAL” that would fully reopen the strait. Israel’s military stayed on high alert, according to Israeli media. Original report: The Israeli military remains on high alert despite US President Donald Trump’s announcement that he had called off planned strikes on Iran, assessing that Tehran could still spring surprises, according to Israel’s Channel 12..

September timeline

Sept. 1–3: Fighting returns, and a wedding is hit

Iran accused the United States of hitting a wedding party in Kuhestak, Hormozgan province, on the night of Sept. 1–2, killing four people, two women and two children, according to Iranian state media cited by the AP and Reuters via Al-Monitor. Iran’s health minister later put the toll from that wave of U.S. strikes at 18 killed and 108 injured. CENTCOM said it struck air defenses, radar, maritime assets, mine-laying capabilities and communications sites, and Iran fired at what it called U.S. assets in Bahrain, Jordan, Kuwait and Iraq. It was the largest exchange since July. Original reports: Iran Accuses U.S. of War Crime After Missile Hits Kuhestak Wedding; U.S.–Iran Escalation Raises Midterm Stakes as Oil and Bases Take Hits; Hormuz Stays Commercially Crippled as U.S.–Iran Fighting Returns.

Sept. 3: Kuwait intercepts fire aimed at Ahmad al-Jaber

Kuwait’s armed forces said they were intercepting an Iranian missile and drone attack after Tehran claimed a strike on Ahmad al-Jaber Air Base, which hosts U.S. forces. Kuwait and Bahrain had already said they came under attack earlier in the week, without reporting casualties, the AP reported. Iran also claimed a hit on Al Minhad Air Base in the United Arab Emirates, which the UAE did not confirm. Original report: Kuwait Intercepts Iranian Missiles and Drones Aimed at Ahmad al-Jaber.

Sept. 3–4: Vance says it is “not a war”; the blockade bites

Vice President JD Vance told a White House briefing that he “wouldn’t call it a war” and that there was “no active shooting” between U.S. and Iranian forces, The Independent reported. Kpler shipping data cited by Reuters via CNA showed Iranian crude loadings near 260,000 barrels a day, against about 1.7 million a year earlier. Original reports: Vance Says Iran Fight Is “Not a War” as EU Joins Economic Outcast; U.S. Blockade Crushes Iranian Oil Flows; Tehran Warns on Gasoline.

Sept. 5: CENTCOM disables three IRGC-linked tankers

CENTCOM said the IRGC fired ballistic missiles at a U.S. aircraft carrier and a destroyer, which evaded them with no Americans hurt. In response, U.S. forces disabled the tankers Downy, off Kharg Island, and Stark 1, near Jask, and destroyed the unladen Kylo in the Gulf of Oman after its crew was told to abandon ship. Our market report that weekend looked at what the tanker strikes meant for oil prices. Original reports: CENTCOM Hits Three IRGC-Linked Tankers After Iran Targets Warships; Brent’s March Toward $100 Shows Hormuz Is an Energy Fault Line.

Sept. 7: Energy secretary doubts a nuclear deal

Energy Secretary Chris Wright told ABC’s This Week that there “may not be a nuclear agreement” and that the outcome could instead be “simply destroying their capabilities,” Anadolu Agency reported. In a separate interview he said Washington remained open to a deal. Original report: Wright Says Iran Nuclear Deal May Never Come.

Sept. 8: Five more tankers, a new missile claim and Houthi strikes on Saudi Arabia

CENTCOM said it destroyed five IRGC-linked tankers, the Kaviz, Charminar, Horizon 1 and Riesco in the Gulf of Oman and the Derya near Kharg Island, after ballistic missiles twice targeted a U.S. warship. Iran said it had fired an advanced Qassem Basir missile at U.S. ships and threatened “economic warfare,” RTÉ reported. The same day the Saudi-led coalition said Houthi missiles and drones wounded at least 73 civilians in Abha, Khamis Mushait, Jazan and Najran, NBC News reported. Brent crude climbed about 2% to $99.05 a barrel, CNBC reported. Original reports: CENTCOM Destroys Five IRGC-Linked Tankers After Missile Attack; Iran Says Qassem Basir Missile Fired at U.S. Warships; Houthis Wound Scores in Saudi Arabia, Claim Airport and Aramco Strikes; Brent Nears $100 as Houthis Hit Saudi Energy Sites; Hormuz Commodity Traffic Slows to Seven Ships After Iranian Threat.

Sept. 8: China tells Qatar pressure will not work

Chinese Foreign Minister Wang Yi told Qatar’s prime minister in Beijing that military pressure is not a solution to the U.S.–Iran conflict, according to China’s Foreign Ministry. That is Beijing’s stated position, not an independent assessment. Original report: China’s Wang Yi Tells Qatar Military Pressure Won’t Solve Iran Crisis.

Sept. 9: Jordan downs 18 of 20 missiles; the IRGC widens its warnings

Jordan’s armed forces said they engaged 20 ballistic missiles fired from Iran, intercepted 18 and recorded no casualties. The IRGC claimed damage at the Al-Azraq base, which Amman’s account did not support. Iran also said it attacked more than a dozen vessels trying to pass through the strait and expanded its no-go zone outside the waterway, Al-Monitor reported. Original reports: Iran Strikes Al-Azraq U.S. Base in Jordan; 18 of 20 Missiles Downed; IRGC Warns Tankers Off Kuwait and Bahrain as Hormuz Zone Widens.

Sept. 10–11: A U.S. sea drone and two ships off Oman

The IRGC Navy said it struck a U.S. Saildrone-type unmanned surface vessel at the entrance to the strait; the U.S. had not confirmed a loss. UK Maritime Trade Operations reported projectiles hitting two vessels off Khasab, Oman, one of them on fire, Ship & Bunker reported. Original report: IRGC Says It Struck U.S. Saildrone in Hormuz; Two Ships Hit Off Oman.

Sept. 13–14: An Iranian ship is hit off Qeshm, and Gulf talks stall

Iranian state media said a cargo ship struck off Qeshm Island killed one person and wounded four, the AP reported. Asked whether U.S. forces were responsible, Trump said, “I don’t want to say.” Oman’s foreign minister, Badr Albusaidi, postponed a planned Iran–Gulf meeting on Hormuz shipping “in the interests of consensus” after Saudi Arabia sought changes to an Iran–Oman draft, Al Jazeera reported. Original reports: Iranian Cargo Ship Hit Off Qeshm as Hormuz Fire Forces Evacuation; Oman Postpones Iran–Gulf Hormuz Shipping Talks ‘for Consensus’.

Sept. 24: Saudi Arabia intercepts six Houthi missiles; France guards Yanbu

The Saudi-led coalition said it shot down six Houthi ballistic missiles aimed at western Saudi Arabia, including the Red Sea oil port of Yanbu, Al Jazeera reported. President Emmanuel Macron said France would send military assets to help protect the Red Sea oil route, Defense News reported. Original report: Saudi Arabia Intercepts Six Houthi Missiles as France Guards Yanbu.

Sept. 25: Araghchi offers a seven-day roadmap

Foreign Minister Abbas Araghchi said Iran had passed Washington a seven-day plan through mediators: the U.S. would lift its naval blockade and ease sanctions, and Hormuz would reopen on day seven, with nuclear talks to follow, Al Jazeera reported. The plan required Washington to act first. Original report: Araghchi Pitches Seven-Day Hormuz Roadmap at UNGA.

Analysis: what September changed

This section is Peter’s World analysis, based on the sourced events above.

September turned the war into a contest over money as much as missiles. CENTCOM’s public statements tied each tanker strike to a specific Iranian missile launch, and Secretary of State Marco Rubio said that every time Iran tried to hit U.S. naval ships, “they’re going to lose tankers.” That made the exchange rate explicit: Iran risks a ballistic missile, the United States removes part of the shadow fleet that funds the IRGC. With Iranian loadings already down by more than four-fifths year on year, each lost hull is harder to replace, which helps explain why Tehran answered with threats against shipping lanes rather than with a larger strike on U.S. forces.

Iran’s response points the other way. Widening the declared no-go zone, warning tankers off Kuwait and Bahrain and claiming a U.S. sea drone are cheap ways to raise insurance costs for everyone else. Brent’s approach to $100 shows that pressure works on markets even when missiles are intercepted, as Jordan’s 18-of-20 tally shows most were.

The Houthi attacks on Saudi Arabia and the stalled Omani talks matter because they bring in states that had tried to stay out. The month ended with Iran’s seven-day roadmap, a plan that asked Washington to move first, which is the same question of sequencing that has hung over every attempt at a settlement since June. Until one side accepts going first, we judge further rounds of tanker strikes and shipping threats more likely than a reopened strait.

All 27 original reports in this roundup

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