September 2025 Calendar of the United Kingdom

September 2025 Holidays and Celebrations

• 01 Mon
  World Letter Writing Day
• 01 Mon
  Organ Donation Week
• 05 Fri
  International Day of Charity
• 05 Fri
  National Food Bank Day
• 06 Sat
  World Beard Day
• 06 Sat
  Read a Book Day
• 08 Mon
  World Physiotherapy (PT) Day
• 08 Mon
  International Literacy Day
• 09 Tue
  Emergency Services Day (999 Day)
• 10 Wed
  World Suicide Prevention Day
• 13 Sat
  Positive Thinking Day
• 13 Sat
  Roald Dahl Day
• 15 Mon
  World Lymphoma Awareness Day
• 15 Mon
  International Day of Democracy
• 15 Mon
  International Dot Day
• 16 Tue
  National Guacamole Day
• 16 Tue
  International Day for the Preservation of the Ozone Layer
• 17 Wed
  International Country Music Day
• 17 Wed
  World Patient Safety Day
• 18 Thu
  National Cheeseburger Day
• 19 Fri
  Talk Like a Pirate Day
• 20 Sat
  World Cleanup Day
• 21 Sun
  Wife Appreciation Day (National Wife Day)
• 21 Sun
  International Day of Peace
• 21 Sun
  World Gratitude Day
• 21 Sun
  World Alzheimer’s Day
• 22 Mon
  Autumnal Equinox (Start of Fall)
• 22 Mon
  Hobbit Day
• 22 Mon
  World Rhino Day
• 23 Tue
  International Day of Sign Languages
• 23 Tue
  Bi Visibility Day
• 24 Wed
  National Day of Arts in Care Homes
• 25 Thu
  World Dream Day
• 27 Sat
  World Tourism Day
• 28 Sun
  National Sons Day
• 28 Sun
  World Rabies Day
• 28 Sun
  International Day for Universal Access to Information
• 29 Mon
  World Heart Day
• 29 Mon
  International Day of Awareness of Food Loss and Waste
• 29 Mon
  International Food Loss and Waste Awareness Day
• 30 Tue
  International Podcast Day
• 30 Tue
  International Translation Day
• 30 Tue
  World Maritime Day