Hispanic Heritage Month is observed from September 15 to October 15. This month corresponds with Mexican Independence Day, which is celebrated on September 16, and recognizes the revolution in 1810 that ended Spanish dictatorship.
September 4-11: Paryushana Parva, a Jain festival lasting about eight to ten days that is observed through meditation and fasting. Its main focus is spiritual upliftment, pursuit of salvation and a deeper understanding of the religion.
September 6: Labor Day in the United States. Labor Day honors the contribution that laborers have made to the country and is observed on the first Monday of September.
September 6-8 (sundown to sundown): Rosh Hashanah, the Jewish New Year celebration, marking the creation of the world.
September 10: Ganesh Chaturthi, a Hindu holiday lasting around 10 days, where the elephant-headed Hindu God is praised and given offerings.
September 11: Beheading of St. John the Baptist, a holy day observed by various Christian churches that follow liturgical traditions. The day commemorates the martyrdom by the beheading of St. John the Baptist on the orders of Herod Antipas through the vengeful request of his stepdaughter, Salome, and her mother.
September 11: Ethiopian New Year. Rastafarians celebrate the New Year on this date and believe that Ethiopia is their spiritual home.
September 15-16 (sundown to sundown): Yom Kippur, the holiest day on the Jewish calendar, a day of atonement marked by fasting and ceremonial repentance.
September 18: International Equal Pay Day, celebrated for the first time in September 2020, represents the longstanding efforts towards the achievement of equal pay for work of equal value. It further builds on the United Nations’ commitment to human rights and against all forms of discrimination, including discrimination against women and girls.
September 20-27: Sukkot, a seven-day Jewish festival giving thanks for the fall harvest.
September 22: Ostara Mabon, a celebration of the vernal equinox commemorated by Pagans and Wiccans.
September 24: Native American Day, a Federal holiday observed annually on the fourth Friday in September in the state of California and Nevada and on the second Monday in October in South Dakota and Oklahoma, United States.
September 27: Elevation of the Life Giving Cross (Holy Cross), a day that commemorates the cross used in the Crucifixion of Jesus in some Christian denominations.
September 27: Meskel, religious holiday in the Ethiopian Orthodox and Eritrean Orthodox churches that commemorates the discovery of the True Cross by the Roman Empress, Helena, in the fourth century.
September 27-29 (sundown to sundown): Shemini Atzeret, a Jewish holiday also known as The Eighth (Day) of Assembly, takes place the day after the Sukkot festival, where gratitude for the fall harvest is deeply internalized.
September 28: Teacher’s Day in Taiwan. This day is used to honor teachers’ contributions to their students and to society in general. People often express their gratitude to their teachers by paying them a visit or sending them a card. This date was chosen to commemorate the birth of Confucius, the model master educator in ancient China.
September 28-29 (sundown to sundown): Simchat Torah, a Jewish holiday, marks the end of the weekly readings of the Torah. The holy book is read from chapter one of Genesis to Deuteronomy 34 and then back to chapter one again, in acknowledgement of the words of the Torah being a circle, a never-ending cycle.
September 29: Michaelmas, or the Feast of Michael and All Angels, is a minor Christian festival dedicated to Archangel Michael that is observed in some Western liturgical calendars.