Bladder Cancer Awareness Walk in Canada

World Retina Week on September 24;

European Mushroom Day on September 24 (Celebrated on the fourth Saturday of September);

World Pharmacist Day on September 25;

World’s Largest Pet Walk on September 25 (held since 2018);

World Environmental Health Day on September 26;

National Gay Men's HIV/AIDS Awareness Day on September 27 (United States);

International Safe Abortion Day on September 28 (The day was first celebrated as a day of action for decriminalization of abortion in Latin America and the Caribbean in 1990 by the Campaña 28 Septiembre)