- Sep 1 Narcissa Whitman, one of the first white women to settle west of the Rocky Mountains, arrives at Walla Walla, Oregon Country (now US state of Washington)
- Sep 1 Reconstruction begins on Synagogue of Rabbi Judah Hasid in Jerusalem
Houston Elected President
Sep 5 Sam Houston elected President of the Republic of Texas
Emerson's Nature
Sep 9 Ralph Waldo Emerson publishes his influential essay "Nature" in the US, outlining his beliefs in transcendentalism
- Sep 25 HMS Beagle anchors at St Michael