September 2026 is a time of transition — back to school, autumn beginnings, and cultural awareness campaigns. It’s also a major sporting month, with UEFA Euro 2026 knockouts still running into early September and the start of the NFL season in the US.

Awareness & calendar dates for September 2026

September 2026 – Month-long Observances

  • Hispanic Heritage Month (US) | 15 September – 15 October 2026 Celebrates the history, culture, and contributions of Hispanic and Latino Americans.

September 2026 – Key Dates & Events

  • World Suicide Prevention Day | 10 September 2026 Promotes global action to prevent suicide through awareness, education, and support.
  • Mid-Autumn Festival (China & East Asia) | 10 September 2026 Celebrates harvest and family reunion with lanterns, mooncakes, and gatherings.
  • Patriot Day (US) | 11 September 2026 A day of remembrance for the victims of the 11 September 2001 terrorist attacks.
  • International Day of Democracy | 15 September 2026 Encourages governments to strengthen democratic practices and citizen participation.
  • International Day of Peace | 21 September 2026 A UN day dedicated to non-violence and ceasefire.
  • World Alzheimer’s Day | 21 September 2026 Raises awareness and challenges stigma around Alzheimer’s disease.
  • Rosh Hashanah | 22–23 September 2026 The Jewish New Year, celebrated with prayer, reflection, and symbolic foods.
  • Autumn Equinox | 23 September 2026 Marks the first day of autumn in the Northern Hemisphere.
  • World Tourism Day | 27 September 2026 Highlights tourism’s role in cultural exchange and economic development.

September 2026 – Sporting Highlights

  • NFL International Game (Dublin) | September 2026 Croke Park hosts an NFL regular-season game, marking the league’s return to Ireland.
  • Italian Grand Prix | early September 2026 Formula One’s fastest race at the legendary Monza circuit.
  • NFL International Game (São Paulo) | September 2026 Corinthians Arena hosts NFL action in Brazil.
  • Ryder Cup | late September 2026 Golf’s premier team event, USA vs Europe, contested at Adare Manor in Ireland.
  • US Open Tennis | continues through 13 September 2026 The year’s final Grand Slam concludes in New York.
  • MLB Regular Season | throughout September 2026 The playoff race reaches its climax before October’s postseason.
  • Diamond League Athletics Finals | September 2026 Season finale bringing together the world’s best in track and field.

This list is a selection of cultural observances for September 2026. If we’ve missed a key date for your HR, Culture, Brand or People team, let us know — we aim to keep our calendar as inclusive as possible.

Explore the rest of 2026

Check out PepTalk’s full list of cultural calendar dates and awareness events for every month of 2026:

  • Awareness Days & Cultural Calendar For January 2026
  • Awareness Days & Cultural Calendar For February 2026
  • Awareness Days & Cultural Calendar For March 2026
  • Awareness Days & Cultural Calendar For April 2026
  • Awareness Days & Cultural Calendar For May 2026
  • Awareness Days & Cultural Calendar For June 2026
  • Awareness Days & Cultural Calendar For July 2026
  • Awareness Days & Cultural Calendar For August 2026
  • Awareness Days & Cultural Calendar For September 2026
  • Awareness Days & Cultural Calendar For October 2026
  • Awareness Days & Cultural Calendar For November 2026
  • Awareness Days & Cultural Calendar For December 2026
  • Book a September awareness day speaker

    Would you like to mark one of these events with an expert speaker? Email us at hello@getapeptalk.com or send a message via the site chat. You can also call us on +44 20 3835 2929 (UK) or +1 737 888 5112 (US). Remember, it’s always a good time to get a PepTalk!

    Written by the PepTalk Team
    At PepTalk, we harness the power of human intelligence to inspire and transform your people, insights, and events. Whether you're looking for keynote speakers, tailored learning experiences, or unforgettable corporate events, our team is here to help. Get in touch with us today to find out more.