National days, ongoing national weeks and months, and global observances for September 13, 2026. Plus historical events and birthdays.
September 13, 2026 celebrates National Grandparents Day, plus 9 more. On the Sunday following Labor Day, National Grandparents Day honors the love only grandparents can provide.
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Positive Thinking Day is on September 13 on the National Day Calendar as a day to promote the power of positivity and the impact this simple act can have on your life. Join us as we explain why maintaining a positive mind benefits you and those around you.
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On September 13, the United States recognizes Uncle Sam Day to commemorate Sam Wilson, the man behind the iconic image and fascinating nickname for the United States government who was born on September 13, 1766.
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On September 13, National Peanut Day pays homage to mighty and tasty peanut. We may drive you nuts after we share some compressed information about peanuts!
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On the second Sunday in September, National Pet Memorial Day honor pets, both past and present, and to think about and share with others the important role pets have played in their lives.
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On the second Sunday in September, National Hug Your Hound Day dedicates a furry hug to our canine companions. All day long, be sure to give your pooch your full attention. Even spend the day much the way your dog spends it.
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On the 256th day of the year, Day of the Programmer honors the innovators who continue to change the world, one program at a time.
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Every year on September 13, National Celiac Disease Awareness Day encourages us to support those with the autoimmune disease affecting 3 million people.
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National Kids Take Over the Kitchen Day is on September 13 and we are bringing the youngest cooks into the kitchen! We can't promise what they make will be a gourmet meal, but we can promise the memories you make will be priceless.
Read the full story →Longer-running observances that include this date.
National Coupon Month
Month
Self-care Awareness Month
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National Recovery Month
Month
Hispanic Heritage Month
Month
National Suicide Prevention Month
Month
National Preparedness Month
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National Library Card Sign-up Month
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National Potato Month
Month
Self-improvement Month
Month
Classical Music Month
Month
Better Breakfast Month
Month
National Chicken Month
Month
Showing the first 12 — See all months for September.
