2026-09-11 Rosh Hashanah Rosh Hashanah September 11 Rosh Hashanah Rosh Hashanah 2026 begins at sunset on Friday, September 11, 2026, and ending at nightfall on Sunday, September 13, 2026.
2026-09-13 National Grandparents’ Day National Grandparents’ Day September 13 National Grandparents’ Day
2026-09-15 National Hispanic Heritage Month National Hispanic Heritage Month September 15 - October 15 National Hispanic Heritage Month
2026-09-20 Yom Kippur Yom Kippur September 20 Yom Kippur Yom Kippur 2026 begins at sundown on Sunday, September 20, 2026, and ends at nightfall on Monday, September 21, 2026
2026-09-21 International Day of Peace International Day of Peace September 21 International Day of Peace
2026-09-26 European Day of Languages European Day of Languages September 26 European Day of Languages