- Sep 1 Dutch Amateur Photography Cooperation established
- Sep 5 Gas lamp at Theatre Royal in Exeter catches fire killing about 200
- Sep 15 Philadelphia celebrates 100th anniversary of US Constitution
- Sep 16 British Open Men's Golf, Prestwick GC: Willie Park Jr wins first of 2 Open titles by 1 stroke from fellow Scot Bob Martin
- Sep 23 Tongariro National Park formed in New Zealand after proposal by local chief Ngāti Tūwharetoa - fourth national park in the world [1]
- Sep 26 Emile Berliner patents the Gramophone
- Sep 28 Yellow River or Huáng Hé floods in China, killing between 900,000 and 2 million people, one of the deadliest natural disasters in history
- Sep 30 8th America's Cup: New York Yacht Club’s cutter Volunteer beats Scottish challenger Thistle by 11:48.75 seconds on corrected time to win series, 2-0 off Newport, RI
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