 | Japan-Austria Summit Meeting (September 30, 2009) |
| The Prime Minister Meets with Family Members of Abductees (September 29, 2009) |
| Ministerial Committee on the Formulation of the Budget of Fiscal 2010 (September 29, 2009) |
| Ministerial Committee on Basic Policies (September 28, 2009) |
| Grand Sumo Autumn Tournament / Presentation of the Prime Minister's Cup (September 27, 2009) |
| 5th Day of the Visit to the US / Pittsburgh G-20 Summit / Press Conference, etc. (September 26, 2009) |
| Press Conference by Prime Minister Yukio Hatoyama Following his attendance at meetings at the United Nations and the Pittsburgh G20 Summit (25 September 2009) |
| 4th Day of the Visit to the US / UN Security Council Summit on Nuclear Non-proliferation and Nuclear Disarmament / Address at the 64th Session of the UN General Assembly / Pittsburgh G-20 Summit (September 25, 2009) |
| Address by Prime Minister Hatoyama at the 64th Session of the General Assembly of the United Nations (Ministry of Foreign Affairs of Japan) (24 September 2009) |
| Statement by Prime Minister Hatoyama at the UN Security Council Summit on Nuclear Non-proliferation and Nuclear Disarmament (Ministry of Foreign Affairs of Japan) (September 24, 2009) |
| 3rd Day of the Visit to the US / Japan-US, Japan-Russia, Japan-Australia, Japan-ROK Summit Meetings (September 23, 2009) |
| 2nd Day of the Visit to the US / United Nations Summit on Climate Change / Meeting with the Secretary-General of the United Nations / Japan-U.K. Summit Meeting (September 23, 2009) |
| Statement by Prime Minister Yukio Hatoyama at the United Nations Summit on Climate Change (22 September 2009) |
| 1st Day of the Visit to the US / Japan-China Summit Meeting (September 22, 2009) |
| The Prime Minister Meets with Mr. Masumi Kuwata (September 21, 2009) |
| Ministerial Committee on the Global Warming Issue (September 20, 2009) |
| Decision on Senior Vice-Ministers and Parliamentary Secretaries (September 18, 2009) |
| Unveiling Ceremonies (September 18, 2009) |
| Instructions to Permanent Vice-Ministers (September 18, 2009) |
| The Prime Minister Meets with President of the Italian Republic Giorgio Napolitano (September 18, 2009) |
| Ministerial Committee on Supplementary Budget (September 18, 2009) |
| Government-Labor Meeting (September 17, 2009) |
| Inauguration of the Hatoyama Cabinet (September 16, 2009) |
| Basic Principles of the Hatoyama Government (16 September 2009) |
| Press Conference by Prime Minister Yukio Hatoyama (16 September 2009) |
| Designation of the Prime Minister (September 16, 2009) |
| The General Resignation of the Aso Cabinet (September 16, 2009) |
| The Prime Minister Visits the Japan Patent Office (September 14, 2009) |
| The Prime Minister Meets with President of the Democratic Party of Japan Yukio Hatoyama (September 14, 2009) |
| Ministerial Council on Monthly Economic Report and Other Relative Issues (September 8, 2009) |
| Council for Science and Technology Policy (September 4, 2009) |
| Ceremony to Present the Prime Minister's Commendation to Contributors for Disaster Prevention for FY2009 (September 2, 2009) |
| The Prime Minister Meets with Prime Minister Thinley of Bhutan (September 2, 2009) |
| Consumer Committee (September 1, 2009) |
| Disaster Prevention Day Drills for FY2009 (September 1, 2009) |
