A Japanese fleet returns home after hunting 333 whales in the Antarctic. The Japanese government states that the purpose was for research.
The government is skirting an international ban on whale hunting by saying they’re doing research.
- New York Magazine
- Japan announces plans to resume whaling in the Antarctic during the southern hemisphere summer. Commercial whaling has been banned for over 30 years by the International Whaling Commission.
- The United Nations International Court of Justice rules that Japan's Antarctic whaling program is not scientific but commercial and forbids grants of further permits.
- Japanese Foreign Minister Katsuya Okada dismisses Australia's threat to take the country to the International Court of Justice over Japan's whaling in the Antarctic.
- Chris Ellison, the Australian Minister for Justice, warns anti-whaling protesters and the Japanese whaling fleet that they could face questioning over recent clashes in the Southern Ocean. Meanwhile, the crew were evacuated from the largest ship in the Japanese Antarctic fleet, the "Nisshin Maru," following a fire.
- Japanese Prime Minister Shinzo Abe is expected to dissolve the House of Representatives on September 28, 2017 to make way for fresh elections.
- A North Korean missile flies over Hokkaido, Japan, triggering the J-Alert system, following a similar event on 29 August.
- Japan agrees to help with the construction of an Indian bullet train.
- North Korea fires a Hwasong-12 ballistic missile which flies 2,700 km, passing over Hokkaido, northern Japan, prompting the activation of the nationwide J-Alert warning system. This is first time since 2009 that a North Korean missile has passed over Japanese territory.
- The death toll from flooding on the southern Japanese island of Kyushu rises to 15, with six others missing.
- Severe flooding on the Japanese island of Kyushu has caused seven deaths with twenty people unaccounted for.