International Days for September

Choose a day in September to see international daily celebrations and observances.

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September 2027

Week 3 of 5 · Sep 12 – 19

One calendar week at a time: a sticky date stays beside international observances. Use the controls for other weeks, year, and columns.

Showing international observances for calendar year 2027.

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SUN 12 SEP

Sunday, September 12, 2027, 1 observance

United Nations Day For South South Cooperation

MON 13 SEP

Monday, September 13, 2027, 1 observance

Yom Kippur

WED 15 SEP

Wednesday, September 15, 2027, 5 observances

International Dot Day

World Afro Day

Greenpeace Day

World Lymphoma Awareness Day

International Day Of Democracy

THU 16 SEP

Thursday, September 16, 2027, 1 observance

International Day For The Preservation Of The Ozone Layer

FRI 17 SEP

Friday, September 17, 2027, 2 observances

International Country Music Day

International Grenache Day

SAT 18 SEP

Saturday, September 18, 2027, 5 observances

International Coastal Cleanup Day

World Bamboo Day

International Eat An Apple Day

World Water Monitoring Day

International Red Panda Day

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