Public holidays in United States — September 2025

2 public holidays in United States during September 2025: Labour Day, Labor Day.

Public holidays

• Mon, Sep 1
  Labour Day Labor Day Public holiday
• Mon, Sep 1
  Labor Day Public holiday

Other observances

• Thu, Sep 4
  World Sexual Health Day Observance
• Fri, Sep 5
  The Prophet's Birthday Religious observance
• Fri, Sep 5
  International Day of Charity Observance
• Sat, Sep 6
  Carl Garner Federal Lands Cleanup Day Observance
• Sat, Sep 6
  Native American Day Observance
• Sun, Sep 7
  International Day of Clean Air for Blue Skies Observance
• Sun, Sep 7
  Still's Disease Awareness Day Observance
• Sun, Sep 7
  National Grandparents Day Observance
• Mon, Sep 8
  International Literacy Day Observance
• Tue, Sep 9
  International Day to Protect Education from Attack Observance
• Tue, Sep 9
  California Admission Day Observance
• Wed, Sep 10
  World Suicide Prevention Day Observance
• Thu, Sep 11
  First Responders Day Observance
• Thu, Sep 11
  Patriot Day Observance
• Fri, Sep 12
  International Day for South-South Cooperation Observance
• Sat, Sep 13
  International Programmers' Day Observance
• Sun, Sep 14
  Constitution Commemoration Day Observance
• Mon, Sep 15
  International Day of Democracy Observance
• Mon, Sep 15
  First Day of National Hispanic Heritage Month Observance
• Tue, Sep 16
  International Day for the Preservation of the Ozone Layer Observance
• Wed, Sep 17
  World Patient Safety Day Observance
• Wed, Sep 17
  Constitution Day and Citizenship Day Observance
• Thu, Sep 18
  International Equal Pay Day Observance
• Thu, Sep 18
  Air Force Birthday Observance
• Fri, Sep 19
  National POW/MIA Recognition Day Observance
• Sun, Sep 21
  International Day of Peace Observance
• Mon, Sep 22
  Navratri Religious observance
• Mon, Sep 22
  American Indian Day Observance
• Mon, Sep 22
  Emancipation Day Observance
• Mon, Sep 22
  September Equinox Seasonal observance
• Mon, Sep 22
  Autumn Equinox Seasonal observance
• Tue, Sep 23
  Rosh Hashana Religious observance
• Tue, Sep 23
  International Day of Sign Languages Observance
• Tue, Sep 23
  International Celebrate Bisexuality Day Observance
• Thu, Sep 25
  World Maritime Day Observance
• Fri, Sep 26
  International Day for the Total Elimination of Nuclear Weapons Observance
• Fri, Sep 26
  Native American Day Observance
• Fri, Sep 26
  American Indian Heritage Day Observance
• Fri, Sep 26
  Michigan Indian Day Observance
• Sat, Sep 27
  World Tourism Day Observance
• Sat, Sep 27
  Public Lands Day Observance
• Sat, Sep 27
  National Public Lands Day Observance
• Sun, Sep 28
  International Day for Universal Access to Information Observance
• Sun, Sep 28
  World Rabies Day Observance
• Sun, Sep 28
  Gold Star Mother's Day Observance
• Mon, Sep 29
  International Day of Awareness of Food Loss and Waste Observance
• Mon, Sep 29
  World Heart Day Observance
• Tue, Sep 30
  International Translation Day Observance