Sep 4, 2011 World Sexual Health Day
Sep 8, 2011 International Literacy Day
Sep 9, 2011 California Admission Day
Sep 10, 2011 World Suicide Prevention Day
Sep 10, 2011 Carl Garner Federal Lands Cleanup Day
Sep 11, 2011 National Grandparents Day
Sep 13, 2011 International Programmers' Day
Sep 15, 2011 International Day of Democracy
Sep 16, 2011 International Day for the Preservation of the Ozone Layer
Sep 16, 2011 Constitution Day and Citizenship Day observed
Sep 16, 2011 National POW
Sep 17, 2011 Constitution Day and Citizenship Day
Sep 18, 2011 Air Force Birthday
Sep 21, 2011 International Day of Peace
Sep 22, 2011 World Maritime Day
Sep 22, 2011 Emancipation Day
Sep 23, 2011 September Equinox
Sep 23, 2011 International Celebrate Bisexuality Day
Sep 25, 2011 World Heart Day
Sep 25, 2011 Gold Star Mother's Day
Sep 26, 2011 American Indian Day
Sep 27, 2011 World Tourism Day
Sep 28, 2011 World Rabies Day
Sep 29, 2011 Rosh Hashana
Sep 29, 2011 Rosh Hashana
Sep 30, 2011 Native American Day
Sep 30, 2011 American Indian Heritage Day
Sep 16, 2011 MIA Recognition Day