# United States September observances and commemorations

> Live situation record from CLSTR: https://clstr.news/situations/united-states-september-observances-and-commemorations
> Updated: 2026-09-14T13:17:34.000Z. Sources: 7. Developments: 2.

September in the United States includes various national observances, historical commemorations, and awareness months.

Earlier in the month, observances include National Preparedness Month, National Recovery Month, Hispanic Heritage Month, and Labor Day. The month also includes commemorations of the September 11, 2001, attacks.

Subsequent observances include Constitution Day on September 17 and National POW/MIA Recognition Day, which honors prisoners of war and those missing in action through ceremonies such as the Table Ceremony. Additionally, September 27 is recognized as Gold Star Mother’s and Family Day to honor families of those lost in military service.

## Timeline

### 2026-09-14: United States observances include Constitution Day and POW/MIA Recognition Day

September features several U.S. observances, including Constitution Day, National POW/MIA Recognition Day, and Gold Star Mother’s and Family Day to honor military service and sacrifice.

2 sources. https://clstr.news/cluster/united-states-observances-include-constitution-day-and-powmia-recognition-day

### 2026-09-08: September observances and historical commemorations

September includes various observances such as National Preparedness Month, National Recovery Month, Hispanic Heritage Month, and Labor Day, while also marking the anniversary of the September 11 attacks.

5 sources. https://clstr.news/cluster/september-observances-and-historical-commemorations

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Cite as: United States September observances and commemorations. CLSTR, https://clstr.news/situations/united-states-september-observances-and-commemorations