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DEI holidays to celebrate in September

We’ve curated a list of holidays for September to keep you in the loop on what’s most commonly celebrated. Plus download our annual DEI calendar.

“September” in white type on an orange background“September” in white type on an orange background

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Insights from Ellen Raim, Founder of People MatterWe focus more on solving than preventing People problems.

Enhance employee engagement with these September DEI holidays and celebrations.

At Electives, we are passionate about aiding companies in establishing inclusive work environments and high-performance cultures. With this goal in mind, we compiled a comprehensive list of September holidays you may want to observe throughout your organization. 

This blog post was updated on October 8, 2024 and now features dates for 2025.

Month-long celebrations in September

Hispanic Heritage Month (9/15-10/15)

Observed annually from September 15 to October 15, Hispanic Heritage Month recognizes the contributions and diverse cultures of the American-Latino community. Celebrations often include festivals, art shows, conferences and community gatherings. Hispanic Heritage Month also celebrates the independence days of several Latin American countries. 

National Suicide Prevention Awareness Month

National Suicide Prevention Awareness Month is an opportunity to end the stigma surrounding mental health for those struggling with suicidal thoughts. Employers can create a supportive and productive environment for all employees by prioritizing mental health in the workplace.

Here are some ways you can support employees during National Suicide Prevention Awareness Month: 

  • Offer employee assistance programs (EAPs) to provide employees with confidential counseling and mental health support services. 
  • Provide training and education on mental health awareness.
  • Create a culture of openness and acceptance around mental health issues.
  • Promote work-life balance and flexible work arrangements and encourage employees to take time off and prioritize their mental health. 

Click here for resources from the National Alliance on Mental Illness.

National Recovery Month

National Recovery Month is an annual observance to increase mental health and addiction recovery awareness. This holiday is an opportunity to promote evidence-based treatment and recovery practices while recognizing the efforts of service providers and communities who support recovery. Click here for resources from the Substance Abuse and Mental Health Services Administration. Go here for 9 alcohol-free ideas for team bonding.

National Preparedness Month

This month raises awareness about the importance of being ready for disasters and emergencies. In 2024, the focus is on Asian American, Native Hawaiian and Pacific Islander communities. This is a great time to host emergency preparedness workshops, distribute safety checklists or organize drills to ensure everyone knows how to respond in a crisis.

Self-Improvement Month

Self-Improvement Month in September is your chance to set new goals and ditch those negative habits holding you back. Whether it's picking up a new hobby, attending a workshop or starting a daily exercise routine, now's the time to invest in yourself. Workplaces can join the fun by organizing wellness challenges, offering professional development sessions or setting up goal-setting workshops to help everyone get on track.

Additional September DEI holidays

September 1

Labor Day

Labor Day is set aside to recognize and appreciate the social and economic achievements of American workers. Labor activists fought to establish this federal holiday in the late 1800s to acknowledge workers' contributions toward the country's growth, success and general welfare. Labor Day is a perfect day to thank your teams for all their hard work and dedication.

September 1-5

National Payroll Week

Celebrate that awesome "we just got paid" feeling! This week honors both the hardworking employees across America and the payroll pros who make sure our paychecks are spot on. Workplaces can observe by hosting financial literacy workshops, offering thanks to payroll teams or participating in programs to help educate young adults about their paychecks.

September 5

Mawlid (Birth) of the Prophet*

This holiday honors the birth of Prophet Muhammad (peace and blessings be upon him). It's a time for reflection, prayers and community gatherings in many Islamic countries. Wish your Muslim colleagues "Happy Mawlid Al-Nabawi" and learn about the significance of this important holiday to show respect and understanding.

401(k) Day

401(k) Day falls on the Friday after Labor Day, a perfect time to focus on retirement planning and preparation. It's a great day to check your retirement savings and ensure you're on track for the future. Your organization can participate by sharing educational materials, hosting a retirement planning workshop or encouraging employees to review their 401(k) plans.

September 7

Grandparents' Day

This holiday is a fantastic time to honor grandparents and "grandfriends" by connecting and making memories together. Workplaces can get involved by organizing intergenerational events, encouraging employees to share their favorite grandparent stories or even hosting a virtual family game night to celebrate the special bonds we share.

September 8

National Boss/Employee Exchange Day

National Boss/Employee Exchange Day is celebrated on the Monday after Labor Day, giving bosses and employees a chance to swap roles and understand each other's responsibilities. It's a fun way to gain perspective and foster mutual respect in the workplace. Offices can observe by organizing role-swapping activities and discussions to share insights and experiences, making it a day of learning and team building.

September 8-12

National Compassionate Leadership Week

Today’s workers want a fresh approach to leadership — and they want to work for businesses that include compassion in their leadership practices. Successful companies strive to balance business growth with employee engagement and satisfaction.

September 11

Patriot Day

On the anniversary of the terrorist attacks of September 11, 2001, Patriot Day is a national observance in the U.S. that honors the memory of those who were killed. Patriot Day was first observed in 2002 and is considered a day of service in many states, counties and cities throughout the country.

September 15

National Online Learning Day

The internet has transformed education, providing flexible learning opportunities for people of all ages. September 15 is a day to celebrate the abundance of online resources and encourage everyone to invest in their education.

September 16

National Working Parents’ Day

Juggling work and raising a family can be difficult. National Working Parents’ Day is a special day to honor and appreciate the hard work of parents and guardians who balance multiple responsibilities to provide for their families.

Stepfamily Day

We all know that families come in all shapes and sizes. Today, blended families are becoming more common. This day celebrates stepfamilies - or “bonus” families as some call them.

National IT Professionals Day

IT teams are critical in keeping our networks and applications running smoothly, especially in hybrid and remote work environments. Take some time on National IT Professionals Day to show appreciation to the IT professionals in your organization.

September 22

Navratri begins (Hindu)

Navratri, starting on the first day of the Hindu month of Ashwin, is all about celebrating the divine energy of Goddess Durga over nine nights! Each day is dedicated to a different form of the Goddess, with rituals like fasting, chanting, and dancing the night away in Garba and Dandiya sessions. Wishing everyone a vibrant and joyous Navratri—may it bring strength, prosperity, and wisdom!

World Car-Free Day

World Car-Free Day is celebrated in cities worldwide, encouraging walking and cycling instead of driving for a day. Before World Car-Free Day, consider encouraging your team to explore alternative transportation methods that could reduce their carbon footprints.

American Business Women's Day

September 22 is the founding date of the American Business Women's Association, which aims to bring together women of diverse occupations and provide them with opportunities to grow personally and professionally. American Business Women’s Day commemorates the contributions of more than 68 million American working women and 7.7 million women business owners and serves to celebrate their achievements.

Autumnal Equinox

The Autumnal Equinox is the official start of fall, when day and night are perfectly balanced as the Sun crosses the equator. In the Northern Hemisphere, it lands annually around September 22 or 23, marking the end of summer’s heat and the beginning of cozy sweater weather! Workplaces can celebrate with a hot cider bar or a cozy fall-themed decor day—let’s welcome those crisp autumn vibes!

September 22-26

International Week of the Deaf

International Week of the Deaf is an annual celebration held on the last week of September to commemorate the first World Congress of the World Federation of the Deaf (WFD). This week is dedicated to raising awareness about the Deaf Community and promoting their human rights. The goal is to unite and advocate for the needs of the Deaf Community through coordinated global mobilization and media coverage.

September 23

Rosh Hashanah*

Rosh Hashanah, from sundown on Wednesday, September 22 to sundown on Friday, September 24, is the Jewish New Year and the holiday that begins the 10 days of introspection and repentance known as the Days of Awe. Rosh Hashanah is one of the two High Holy Days in the Jewish religion.

Celebrate Bisexuality Day

Bi Visibility Day, also known as International Celebrate Bisexuality Day, was started by bi activists from the U.S. in 1999, and the holiday has since spread to more than 30 countries. 

National Voter Registration Day

National Voter Registration Day is the fourth Tuesday of September, making it a perfect time to ensure you're ready to vote! U.S. Census data from 2020 shows that 25% of eligible Americans are not registered to vote. National Voter Registration Day is a nonpartisan holiday to create awareness of voter registration opportunities. More than 5 million voters have registered to vote on this day since its inception in 2012.

On September 24, join the push to get as many people registered as possible. Workplaces can observe by hosting voter registration drives, sharing information on how to register and encouraging employees to check their voter status. Let's all get involved and make sure everyone's voice is heard!

September 26

Native American Heritage Day (CA & NV)

While most of the U.S. recognizes Native American Heritage Day in November, California and Nevada observe the holiday in September. This day reminds us to recognize and celebrate our indigenous people's diverse cultures and contributions.

HR Professional Day

This day is all about giving a shoutout to the amazing HR professionals who keep our workplaces running smoothly. You can celebrate by organizing special events, offering professional development opportunities or simply taking a moment to thank their HR team for all their hard work. Happy HR Professional Day!

September 27

National Singles Day

Being single in today’s economy isn’t easy. In the workplace, single people are sometimes expected to take on more or work longer hours. This day is a great opportunity to ensure your organization is inclusive, no matter the marital status.

*Indicates a holiday that begins at sundown the day prior.

Looking for more holiday calendars?

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