September 2026 Cultural Calendar Awareness Days, Awareness Weeks and Religious Days.
Looking for the September 2026 awareness days, weeks and months? From National Inclusion Week and International Day of Peace to International Literacy Day and International Day of Sign Languages, the September 2026 cultural calendar is packed with important awareness dates, cultural celebrations and opportunities to recognise diversity and inclusion.
September 2026 features a wide range of UK and international awareness days, awareness weeks, awareness months, cultural celebrations and religious observances, covering important themes including equality, diversity, inclusion, wellbeing, mental health, human rights, accessibility, education, heritage and community. Key September awareness dates include National Inclusion Week, International Literacy Day, International Day of Peace, World Alzheimer’s Day and International Day of Sign Languages, alongside many other important awareness campaigns taking place throughout the month.
For HR teams, EDI professionals, employers, schools, charities and community organisations, the September awareness calendar provides valuable opportunities to recognise important causes, celebrate different cultures and communities, raise awareness and encourage meaningful conversations. Using a September cultural calendar can also help organisations plan their equality, diversity and inclusion activities, employee engagement initiatives, workplace wellbeing campaigns and cultural celebrations throughout the month.
From September awareness days in the UK and September awareness weeks to September awareness months and international observances, there are many meaningful dates to discover. Whether you are looking for September EDI dates, diversity and inclusion awareness days, HR awareness dates, workplace inclusion events or cultural celebrations, our September 2026 calendar brings them together in one place to make planning easier.
Below you’ll find a comprehensive list of September 2026 awareness days, awareness weeks, awareness months, cultural celebrations, religious observances and international dates taking place throughout the month:
Cultural & Awareness Days in September 2026:
4 September 2026
World Sexual Health Day
8 September 2026
International Literacy Day
10 September 2026
World Suicide Prevention Day
15 September 2026
International Day of Democracy
16 September 2026
International Day for the Preservation of the Ozone Layer
18 September 2026
International Equal Pay Day
21 September 2026
World Alzheimer’s Day
International Day of Peace
23 September 2026
Bi Visibility Day
International Day of Sign Languages
Autumn Equinox
25 September 2026
National Teaching Assistants' Day
30 September 2026
International Translation Day
September 2026 All Month Awareness:
1–30 September 2026
East and South East Asian Heritage Month
Sickle Cell Awareness Month
Childhood Cancer Awareness Month
Blood Cancer Awareness Month
World Alzheimer’s Month
Urology Awareness Month
Prostate Cancer Awareness Month
Gynaecological Cancer Awareness Month
National Recovery Month (US)
Pain Awareness Month
National Spinal Cord Injury Awareness Month
Alopecia Areata Awareness Month
Vascular Disease Awareness Month
National Guide Dog Month
Hunger Action Month
Second Hand September
September 2026 Cultural Awareness Weeks:
6–12 September
Migraine Awareness Week
7–13 September
Zero Waste Week
8–14 September
Know Your Numbers Week
9-15 September
Air Ambulance Week
Play Safety Week
13-19 September
Balance Awareness Week
14-20 September
National Inclusion Week
Sexual Health Week
18-27 September
Great British Beach Clean
22-28 September
National Eye Health Week
23-29 September
Black Maternal Mental Health Week
September 2026 Religious Days:
Dates for some religious observances follow lunar calendars and may vary slightly:
1 September 2026
Installation of the Guru Granth Sahib - Sikhism
4 September 2026
Krishna Janmashtami - Hinduism
8-15 September 2026
Paryushana - Jainism
11-13 September 2026
Rosh Hashanah - Judaism
14-15 September 2026
Ganesh Chaturthi - Hinduism
20-21 September 2026
Yom Kippur - Judaism
25 September 2026
Mid-Autumn Festival
25 September-2 October 2026
Sukkot - Judaism