• National Celiac Disease Awareness Day

    United States , United States

    National Celiac Disease Awareness Day takes place every year on 13 September. It raises awareness of coeliac disease, a serious autoimmune condition triggered by gluten, and encourages earlier diagnosis and...

  • National Defy Superstition Day

    United States , United States

    National Defy Superstition Day takes place every year on 13 September, and in 2026 it falls on a Sunday. The day invites people across the United States, and increasingly elsewhere,...

  • National Twilighters Day

    United States , United States

    National Twilighters Day falls on Sunday, 13 September 2026, celebrating the worldwide community of fans devoted to Stephenie Meyer's Twilight saga. The date marks the birthday shared by author Stephenie...

  • International Chocolate Day

    International

    International Chocolate Day takes place every year on 13 September, a date chosen to mark the birthday of chocolate pioneer Milton S. Hershey, who was born on 13 September 1857....

  • National Hug Your Boss Day

    United States , United States

    National Hug Your Boss Day takes place on Sunday, 13 September 2026. The day encourages employees to show genuine appreciation for the managers and leaders they work with, and was...

  • Balance Awareness Week

    International

    Balance Awareness Week 2026 takes place from Sunday 13 September to Saturday 19 September 2026. The annual global campaign is led by the Vestibular Disorders Association (VeDA) and dedicated to...

  • National Quiet Day 2026

    International

    In a world that never seems to pause, National Quiet Day offers a rare invitation: to embrace silence, slow down, and tune in to the sounds - or lack of...

  • National Cream Filled Donut Day

    United States , United States

    National Cream Filled Donut Day is celebrated every year on 14 September across the United States. The day honours the indulgent family of cream-filled donuts, from the chocolate-glazed Boston cream...

  • National Rosa Tequila Day

    International

    National Rosa Tequila Day falls on Monday 14 September 2026. The day celebrates rosa tequila, the pink-hued spirit made by ageing tequila in red wine barrels, and gives fans of...

  • National Boss/Employee Exchange Day

    United States , United States

    National Boss/Employee Exchange Day falls on Monday, 14 September 2026, the Monday after Labor Day in the United States. The day invites managers and their team members to swap roles...

  • National Eat A Hoagie Day

    United States , United States

    National Eat A Hoagie Day falls on Monday, 14 September 2026, and celebrates one of America's best-loved sandwiches. A hoagie is a long bread roll packed with cold cuts, cheese,...

  • Jeans for Genes Day

    International

    Each year, something wonderfully simple turns powerful: people wear denim to work, school, or out in the world - not for fashion, but for impact. Jeans for Genes Day is...

  • Sexual Health Week 2026

    United Kingdom , United Kingdom

    Sexual Health Week 2026 takes place from Monday 14 September to Sunday 20 September 2026. The week is led by the sexual health charity Brook, and this year’s theme is...

  • National Eczema Week 2026

    United Kingdom , United Kingdom

    National Eczema Week is an annual campaign aimed at raising awareness about eczema, a chronic skin condition that affects millions of people in the UK and worldwide. This week is...

  • Pension Awareness Day 2026

    International

    On September 15, 2026, Pension Awareness Day returns to spotlight a topic that affects us all: securing a financially stable retirement. Whether you're just starting your career or nearing retirement,...

  • Everywoman Day 2026

    United Kingdom , United Kingdom

    EveryWoman Day is an annual awareness day in the UK that draws attention to women’s health issues often overlooked or misunderstood. It’s a day for sharing personal stories, amplifying voices,...

  • International Dot Day

    International

    International Dot Day is a global celebration of creativity, courage and connection based on Peter H. Reynolds’ beloved picture book “The Dot.” Observed annually around September 15, it invites people...

  • World Lymphoma Awareness Day

    International

    Every year on September 15, people around the world observe World Lymphoma Awareness Day - a dedicated moment to highlight lymphoma, raise understanding of its symptoms, and strengthen support for...

  • Get Ready Day

    United States , United States

    Get Ready Day is an annual public health observance held on the third Tuesday of September, falling on Tuesday, 15 September 2026. Organised by the American Public Health Association (APHA),...

  • National IT Professionals Day

    United States , United States

    National IT Professionals Day takes place on Tuesday, 15 September 2026. Held on the third Tuesday of September each year, the day recognises the information technology professionals who keep computers,...