Editing TIMELINE (section)

===September 2004===
* September - The Great Laxey Mine Railway of the Isle of Man is re-opened.
* September 1 - Chechen terrorists take between 1,000 and 1,500 people hostage, mostly children, in a school in Beslan, Northern Ossetia. The hostage-takers demand the release of Chechen terrorists imprisoned in neighbouring Ingushetia and the independence of Chechnya from Russia.
* September 2 - The United Nations Security Council adopts Resolution 1559, calling for the removal of all foreign troops from Lebanon. This measure is largely aimed at Syrian troops.
* September 3 - Russian forces end the siege at a school in Beslan, Northern Ossetia. At least 335 people (among which are 32 of the approximately 40 hostage-takers) are killed and at least 700 people injured.
* September 3 - Hurricane Frances makes landfall in Florida. After killing 2 people in the Bahamas, Hurricane Frances kills 10 people in Florida, 2 in Georgia and 1 in South Carolina.
* September 4 - Hurricane Ivan forms.
* September 7 - The Scottish Parliament meets in the new Scottish Parliament Building for the first time.
* September 7 - Hurricane Ivan passes directly over Grenada, killing 37 people. It passes over other Caribbean islands over the next 2 days, killing 5 people in Venezuela, 4 in the Dominican Republic, 1 in Tobago and 20 in Jamaica.
* September 8 - In the "Rathergate" affair, the first Internet posts appear pointing out that documents claimed by CBS News to be typewritten memos from the early 1970s appear instead to have been produced using modern word processing systems.
* September 9 - A bomb blast outside the Australian embassy in Jakarta, Indonesia, kills 11 and injures up to 100 people.
* September 13 - The U.S. Assault Weapons Ban expires.
* September 15 - Davíð Oddsson, Prime Minister of Iceland, steps down after serving as prime minister since April 30, 1991. Oddson trades posts with his foreign minister Halldór Ásgrímsson, who then becomes Prime Minister.
* September 15 - Security at the Palace of Westminster is compromised, when the House of Commons is stormed by a small group of protestors during a debate about fox hunting.
* September 15 - "Girl A" is sentenced to be institutionalized due to the murder of classmate Satomi Mitarai.
* September 16 - Hurricane Ivan strikes Gulf Shores, Alabama, as a Category 3 storm, killing 25 in Alabama and Florida, becoming the 3rd costliest hurricane in American history (currently the 4th following the destruction of 2005's Hurricane Katrina).
* September 17 - The 2004 Summer Paralympics commences in Athens, Greece.
* September 17 - Mexico and Japan finish 2-year-long negotiations and sign a Free Trade Agreement in Mexico City.
* September 23 - Mount St. Helens becomes active again.
* September 23 - Tropical Storm Ivan, having come around and reformed in the Gulf of Mexico, makes its final landfall near Cameron, Louisiana, to little effect. In total, the storm will kill 92 people.
* September 25 - Hurricane Jeanne makes landfall near Hutchinson Island, FL. In all, Jeanne will kill over 3,000, mostly in Haiti.
* September 29 - In Mojave, California, the first Ansari X-Prize flight takes place of SpaceShipOne, which is competing with a number of spacecraft (including Canada's Da Vinci Project, claimed to be its closest rival) and will go on to win the prize on October 4th.