Holidays in September: Calendar, Dates + Content Ideas

September brings a beautiful blend of awareness, celebration, and seasonal transitions! As summer fades into fall (for the northern hemisphere), the holidays in September 2026 offer meaningful moments to capture and share. From honoring important causes to celebrating family bonds, we’ve packed our app with fresh designs to help you document and share all this month’s special occasions. Let’s explore the creative possibilities waiting for you in our September 2026 Holiday Calendar!

September 2026 holiday calendar blog cover with PicCollage seasonal collage templates

September 2026 holidays:

Childhood Cancer Awareness Month

Throughout September, we join together to support children and families affected by childhood cancer. Share words of encouragement, honor brave young fighters, or create meaningful tributes that spread hope and awareness. Browse our “Awareness” template category to find designs like the one below that help you express your support with care and compassion.

A social media post on a pale yellow background for Childhood Cancer Awareness. The words "Childhood" and "Awareness" are in a handwritten yellow font, with "Cancer" in a light blue handwritten font in the middle, and a small glittery gold heart next to it. To the right is a watercolor-style gold ribbon. The word "CHILDHOOD" is stamped in a dark red color on the ribbon. Below the main text, it says "Gold ribbons for golden hearts" in a light blue script. A border of alternating light blue and gold hearts runs along the bottom of the image.

9/7 Father’s Day (AU, NZ)

While many countries celebrate Father’s Day in June, Australia and New Zealand honor dads in September! Create heartfelt tributes to the father figures who’ve shaped your life. Our “Father’s Day” template collection offers everything from playful dad joke cards to elegant photo layouts that showcase your favorite memories together.

A light blue square-shaped card with a watercolor texture. It features two photos of a father and his three sons. The photo on the left shows the father sitting and playing a guitar while his sons play with his hat. The photo on the right shows the father sitting on the floor with two sons on his shoulders and one sitting in his lap. A white piece of paper with torn edges and the words **LOVE YOU DAD!** in black text is centered at the bottom.

09/07 Labor Day

Kick off September by celebrating the hardworking people who keep our communities running! Labor Day (Monday, September 7 in 2026) marks the unofficial end of summer with barbecues, parades, and quality time with loved ones. Canada celebrates its Labour Day on the very same day, so families on both sides of the border share the long weekend! Head to our “Labor Day” template category to find designs ideal for capturing your family gatherings and best BBQ moments – from epic grill master shots to those perfectly messy corn-on-the-cob faces!

A festive, square-shaped card with a light blue background and a frame of doodles. The doodles include red and white popsicles, red and blue stars, fireworks, a bottle of "SAUCE," and a small barbecue grill. The word "USA" is written in large, bold letters across the top, decorated with red-and-white stripes and blue-and-white stars. In the center is a photo of two smiling women wearing baseball caps, sitting in a grassy field at night and holding lit sparklers.

New York Fashion Week (9/10–15)

The style world descends on the city as New York Fashion Week returns September 10–15, 2026, kicking off the Spring/Summer 2027 season! From runway-inspired looks to street-style snapshots, it’s the perfect moment to flaunt your fashion sense. Create trend-forward collages of your favorite outfits, mood boards, and OOTD moments with our editorial-style templates and chic layouts.

New York Fashion Week editorial collage template for OOTD and street style in PicCollage

Rosh Hashanah (9/11–13)

Welcome the Jewish New Year with meaningful celebrations and family traditions! Rosh Hashanah (beginning at sundown on September 11 and ending at nightfall on September 13 in 2026) brings families together for prayer, reflection, and festive meals featuring symbolic foods like apples and honey. Try one of our templates to capture these precious moments, like holiday tables and family gatherings that honor this important time of renewal and blessing.

A pair of Rosh Hashanah cards on a background with a pattern of green apples. The card on the left is a light yellow color with a white border decorated with cartoon-style pomegranates and honey jars. It features a photo of a woman and a man smiling while they cut into a large cake. The card on the right has a dark red background with gold-foiled illustrations of pomegranates and branches. The words "SHANA TOVAH!" are at the top in a gold serif font, and below the photo, the text reads, "May this year be filled with an abundance of blessings." The photo shows three young adults preparing food on a table.

9/13 Grandparents’ Day (US)

Grandparents bring such special magic to our lives with their wisdom, stories, and unconditional love! National Grandparents’ Day (Sunday, September 13 in 2026) is the perfect opportunity to create something special for the grandparents in your life. Head to our “Grandparents’ Day” template category to find beautiful designs that help you create heartfelt cards and tributes celebrating your special bond together.

A card for Grandparents' Day is set on a dark blue background with gold star illustrations. The card has a dark blue bottom half with the words "Happy Grandparents' Day" in a gold script font. Below the main text, in a smaller white font, it says "Your Favorite Grandkid Joseph." The top half of the card features a color photograph of two elderly adults, a man and a woman, smiling and with their arms around each other's shoulders in front of a green leafy bush. The man wears glasses and has a white beard, and the woman has short white hair.

9/13 International Chocolate Day

Indulge your sweet tooth on International Chocolate Day! Celebrated every September 13, it’s the perfect excuse to snap your favorite desserts, cozy hot cocoa moments, and decadent bakes, then turn them into irresistible collages. Whip up mouthwatering layouts with our fun food-themed templates and share the sweetness.

International Chocolate Day collage using PicCollage chocolate-themed background pack

Hispanic Heritage Month (9/15–10/15)

From September 15 through October 15, we celebrate the rich cultures, vibrant traditions, and countless contributions of Hispanic and Latino communities! It’s the perfect time to honor family heritage and share the colors, food, music, and stories that make these cultures so special. Create festive collages that showcase family celebrations, traditional recipes, and the beautiful moments that connect generations.

Hispanic Heritage Month collage template celebrating Latino culture and traditions in PicCollage

9/16 Mexico Independence Day

¡Viva México! Mexican Independence Day commemorates the country’s 1810 declaration of independence, with festivities kicking off on the evening of September 15 with the iconic “El Grito” and continuing through September 16. Celebrate with vibrant collages full of green, white, and red, festive parades, mariachi music, and delicious food. Head to our Mexico template category to capture all the color and pride of this joyful celebration.

9/18 National Cheeseburger Day

Sink your teeth into National Cheeseburger Day! Whether you love classic cheddar, smash, double stacks, or gourmet creations, to celebrate this all-American favorite. Round up your friends for a laid-back burger night, then snap your juiciest burger shots, cookout moments, and foodie finds and turn them into mouthwatering collages with our fun food-themed templates.

National Cheeseburger Day food collage template for burger night photos in PicCollage

Oktoberfest start (9/19–10/4)

Prost! The world’s most famous beer festival brings Bavarian culture to life with traditional music, delicious food, and festive celebrations worldwide. Running September 19 through October 4 in 2026, whether you’re in Munich or celebrating locally, capture the fun with our “Oktoberfest” templates featuring German-inspired designs and festive backgrounds ideal for your celebration photos and videos.

A festive Oktoberfest-themed social media post on a yellow and white checkered background. The card has a dark brown background, framed at the top with green leaves and orange autumn leaves. The word "OKTOBERFEST" is written across the top in a playful blue font with white outlines. A photograph of a smiling woman eating a large pretzel is featured in the center. She is wearing a blue hat with a yellow feather. The card is decorated with colorful illustrations of traditional German items, including a pretzel, a beer can that says "BEER," a beer stein, a small heart-shaped Lebkuchen gingerbread cookie, a Bavarian flag, and wheat stalks.

Yom Kippur (9/20–21)

Following Rosh Hashanah, Yom Kippur – the Day of Atonement – is the holiest day of the Jewish year, observed from sundown on September 20 to nightfall on September 21 in 2026 with fasting, prayer, and heartfelt reflection. It’s a meaningful time for introspection and connection with loved ones. Create thoughtful designs to share blessings, wish others an easy fast, or capture the quiet moments of family togetherness that define this sacred day.

Yom Kippur greeting template sharing blessings for an easy fast in PicCollage

9/21 World Gratitude Day

Take a moment to celebrate the good things in your life on World Gratitude Day. Create beautiful gratitude collages that highlight the people, experiences, and simple joys that make you smile. Our “Gratitude Journal” template category offers designs you can personalize to document what you’re thankful for – whether it’s family, friends, achievements, or those small daily moments that bring happiness.

A light pink background with a pattern of orange, white, and purple paper cranes. In the center is a pale yellow and green card with the title "3 things I am grateful for today" in a purple handwritten font, with "Sunday, September 21st" in a gray script font above it. The card has three sections, each with a photo: a family of three smiling on a couch; a close-up of a golden retriever; and a person's hand holding a glass of iced coffee. Each photo has a purple border. The card is adorned with starburst illustrations.

9/22 Start of Fall

Say hello to autumn! The official start of fall for the northern hemisphere arrives on September 22 in 2026, bringing cozy sweaters, changing leaves, and all those warm feelings that make this season special. We’ve refreshed our “Autumn” content with new autumn glow effects, cozy aesthetics, and more to help you document your favorite autumn adventures and seasonal traditions.

A side-by-side view of two autumn-themed cards on a green background with a chevron pattern. The card on the left is a photo collage on a cream-colored background with an abstract leaf pattern. It features four photos: a close-up of a person holding a large orange leaf against a blue sky, a portrait of a woman in a forest, a person with a dog, and a pile of colorful autumn leaves. The words "FALL FAVORITES" are at the bottom in a typewriter-style font. The card on the right is a collage with torn paper, vintage elements, and a photo of a pastry, a man writing, and a woman sitting in a field. The word "FALL" is in large, bold letters in the center. Handwritten-style notes read, "baking together" and "nice afternoon."

9/25 Mid-Autumn Festival (Moon Festival)

One of the most beloved holidays across Asia, the Mid-Autumn Festival brings families together to admire the full moon, share mooncakes, and light lanterns. Also known as the Moon Festival, it’s a beautiful celebration of togetherness, gratitude, and the harvest. Capture your family reunions, glowing lantern displays, and mooncake moments with our festive templates – perfect for sharing the magic of this special night.

Mid-Autumn Festival collage template with mooncakes and glowing lanterns in PicCollage

9/25 National Daughters Day (US)

Celebrate the amazing daughters who bring joy, laughter, and love to families everywhere! Whether you’re honoring your own daughter, celebrating yourself, or recognizing the special young women in your life. This day is all about appreciating their unique spirits and bright futures ahead.

A vertical card on a pink background with confetti and star doodles. The card is white and has the words happy daughters day in large, multicolored letters at the top. Below the text are three photos: a close-up of a smiling baby looking up at the camera, a little girl in a white dress and sun hat seen from behind, and a baby's hands holding an adult's finger.

9/28 National Sons Day (US)

Show some love for the sons who make life brighter! National Sons Day celebrates the boys and young men who fill our hearts with pride and joy. Create heartfelt tributes showcasing favorite memories, accomplishments, and all those special moments that make being a parent or family member so rewarding.

A vertical card on a blue background with a yellow polka-dot pattern. The card has a light yellow, textured border with the text Happy Sons Day! in large, orange, playful letters. It features two photos: one of a young boy with a mischievous smile and crossed arms, and another of a baby boy in a green sweater, held by two adults.

9/29 National Coffee Day

Calling all coffee lovers – it’s your day to shine! Whether you’re team espresso, cold brew, or pumpkin spice, National Coffee Day deserves a caffeinated celebration. Share your favorite coffee moments, cozy café visits, or that perfect morning ritual that gets your day started right.

A vertical card on a cloudy, sepia-toned background. The card is a dark, reddish-brown color with illustrations of autumn leaves. The words Taste of Happiness are in a handwritten script at the top. Below, a framed photo shows a white coffee cup with a leaf design in the latte foam. At the bottom of the card, it says Coffee and friends is the perfect blend.

What celebrations from the holidays in September 2026 are you most excited about? With meaningful awareness campaigns, family celebrations, and cozy autumn beginnings, there’s so much to capture and share this month! Be sure to follow us on social @piccollage for daily inspiration and tag us in your creations – we’d love to see what you come up with!

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