17 Fun September Party Themes You’ll Love

Planning a party in September can be a ton of fun, especially with the variety of unique themes available.

Whether you’re celebrating a national day or embracing the spirit of fall, there’s a perfect theme for every gathering.

From cozy get-togethers to lively bashes, September offers countless opportunities to create memorable experiences.

By choosing a distinctive and engaging theme, your party will stand out and leave a lasting impression on your guests.

National days like “Talk Like a Pirate Day” provide a quirky twist, while more traditional ideas capture the essence of the season.

So grab your decorations and party hats, and get ready to make this September unforgettable!

National Little Black Dress Day – September 1

Mark your calendars for September 1! It’s National Little Black Dress Day.

This day was created in 2020 by the Black Heart Association to focus on heart health and stroke awareness for African American women.

You get to celebrate by wearing your favorite little black dress. The little black dress, made famous by Coco Chanel in the 1920s, is a timeless wardrobe staple.

Heads up, this day isn’t just about fashion. It’s a perfect time to spread awareness about heart health. So, flaunt your style and make a difference.

How To Celebrate Little Black Dress Day:

• Host a cocktail party where everyone wears their favorite little black dress.
• Organize a fashion show featuring different styles of little black dresses.
• Create a photo booth with fun props to capture stylish moments in black dresses.

US Bowling League Day – September 3

Celebrate US Bowling League Day on September 3 with enthusiasm! This day is all about enjoying one of America’s favorite pastimes—bowling.

Ideas for Celebrating US Bowling League Day

• Gather your friends or family and head to the nearest bowling alley.
• Set up friendly competitions or themed games to make the day even more fun.
• Indulge in delicious bowling alley snacks. Think nachos, pizza, and soft drinks.
• Participate in DIY crafts and activities. Create custom bowling pins, design team shirts, or play trivia games about bowling history.
• Make lasting memories filled with strikes, spares, and maybe even a few gutter balls.

National Cheese Pizza Day – September 5

September 5 is your perfect excuse to indulge in some cheesy goodness. It’s National Cheese Pizza Day! This celebration calls for simple, delicious cheese pizza.

No fancy toppings are needed. And most certainly no pineapple!

Gather your friends and family for a pizza party. Set up a DIY pizza bar where everyone can create their own cheesy masterpieces.

Try using a mix of different cheeses like mozzarella, cheddar, or even gorgonzola.

Order in or make it at home. All that matters is that cheesy, melty slice in your hand.

Enjoy the day by sharing your favorite pizza recipes or hosting a pizza-making contest!

World Samosa Day – September 5

Celebrate World Samosa Day on September 5 by enjoying this delicious snack.

The samosa is a crispy, fried pastry filled with ingredients like potatoes, peas, or cheese.

• You can host a samosa tasting party.
• Try different types from various cuisines.
• Pair them with sauces and chutneys to enhance the flavors.

This day is perfect for sharing samosas with friends and family.

National Lazy Mom’s Day – September 6

National Lazy Mom’s Day on September 6 is the perfect excuse to let moms take a break. This day is all about giving your mom a chance to kick back and relax.

Forget the usual hustle and bustle. It’s time for moms to enjoy some well-deserved pampering.

Think about planning some simple, stress-free activities.

Breakfast in bed, watching her favorite shows, or even a relaxing bubble bath can do wonders.

National Beer Lovers Day – September 7

Raise a toast for National Beer Lovers Day on September 7! This festive day invites you and your friends to explore the world of beer.

Throw a potluck party where guests bring dishes made with or inspired by different kinds of beer. Think beer-battered fish, beer bread, and beer chili.

Consider visiting a local brewery for a guided tour and some beer sampling. Many places offer special discounts or events to celebrate.

Grab your favorite beer stein and enjoy the fun!

Star Trek Day – September 8

Star Trek Day on September 8 is a celebration of the beloved Star Trek franchise.

This day marks the anniversary of the first episode of Star Trek: The Original Series, which aired in 1966.

Fans gather for exciting events, often involving screenings of favorite episodes or live-streamed panels with cast members.

It’s an opportunity to dress up as your favorite characters and engage in discussions about the series.

You can also join online communities to share your love for Star Trek.

Social media gets buzzing with special emojis and hashtags, connecting fans worldwide.

If you’re a Trekkie, this day is all about embracing the spirit of exploration and unity that Star Trek champions.

National Grandparents Day – September 8

Celebrate those amazing grandparents in your life this September 8th!

This special day falls on the first Sunday after Labor Day, perfect timing for a family gathering.

Plan activities that everyone can enjoy together.

• Cook a favorite family recipe or have a picnic in the park.
• Organize a family gathering to celebrate grandparents with stories and memories.
• Create a scrapbook or video montage highlighting family moments with grandparents.
• Host a game night featuring classic games that grandparents enjoy.

These small moments build lasting memories and show your appreciation.

National Wienerschnitzel Day – September 9

Celebrate National Wienerschnitzel Day on September 9! This day is all about enjoying a delicious Austrian dish.

A Wiener Schnitzel is a veal cutlet, breaded and fried to golden perfection.

You can try making it at home. Just remember to beat the veal thin, coat it in flour and breadcrumbs, then fry it up.

Ideas for Celebrating Wienerschnitzel Day

• Throw a German-themed dinner party featuring Wienerschnitzel and traditional sides like potato salad or Rosti.
• Organize a cooking class to teach guests how to make authentic Wienerschnitzel.
• Create a schnitzel-tasting event with different meats and breading styles.

It’s a tasty way to enjoy a fun holiday and learn about Austrian cuisine.

International Chocolate Day – September 13

International Chocolate Day on September 13 is a paradise for chocolate lovers. This day is perfect for a chocolate-tasting party with friends and family.

You can offer a variety of chocolates like dark, milk, white, and flavored kinds.

Another fun idea is to bake chocolate treats. Cookies, brownies, or cakes—anything goes!

If you’re looking to learn, visiting a local chocolate factory for a tour can be a sweet experience too.

For some relaxation, consider a chocolate-themed spa day. Think chocolate masks and cocoa-infused treatments.

Celebrating with chocolate is always a good idea, no matter how you do it. Enjoy the deliciousness!

National Guacamole Day – September 16

Celebrate National Guacamole Day on September 16 by throwing a festive guacamole-themed party.

Set up a guacamole station where guests can create their perfect dip. Offer ingredients like avocados, lime juice, onions, tomatoes, and cilantro. Make sure to have plenty of tortilla chips on hand for dipping.

Add some fun with a piñata and lively music. This party is sure to be a hit!

National Cheeseburger Day – September 18

Get ready to celebrate National Cheeseburger Day on September 18! It’s the perfect excuse to indulge in a juicy burger topped with your favorite slice of cheese.

Hop over to O’Charley’s for a burger and brew for just $10. If you prefer something non-alcoholic, you can get a soft drink instead.

MOOYAH is offering a free cheeseburger to all Rewards App members, but only on September 18, so don’t miss out.

Besides dining out, you can host a cheeseburger party at home. Fire up the grill and try out some creative cheeseburger recipes.

Talk Like a Pirate Day – September 19

Yarr, matey! September 19 is Talk Like a Pirate Day. Get ready to channel your inner pirate and have some fun.

• You can dress up as a pirate, complete with eye patches, bandanas, and maybe a fake parrot.
• Use pirate lingo like “Ahoy, mateys!” and “Shiver me timbers!” to get in the spirit.
• You might organize games like a treasure hunt or pirate trivia.
• Check out my What’s Your Pirate Name printable for even more fun!
• Even the food can join the fun. Think pirate-themed snacks like “gold coins” (chocolate coins) or “pirate punch.”

It’s a day to be silly and enjoy some playful pirate fun. So grab your pirate hat and join in!

Fall Equinox – September 22

Fall Equinox is a magical time when day and night are equal. It’s a moment to welcome autumn and say goodbye to summer.

Ideas for celebrating Fall Equinox

• You can create a cozy atmosphere with fall colors like red, orange, and yellow.
• Decorate your home with pumpkins, leaves, and candles.
• Celebrate with a harvest-themed dinner featuring seasonal foods.
• Organize a nature walk or hike to enjoy the changing colors of the season.
• Download my Fall Leaf Banner Printable to really welcome fall!
• Why not host a bonfire? Roast marshmallows, sip hot cider, and enjoy the crisp evening air.
• It’s the perfect setting for storytelling and laughter.

National Drink Beer Day – September 28

Mark your calendars for September 28 and get ready to toast to National Drink Beer Day! This day is perfect for enjoying your favorite brews with friends.

It’s a reminder to savor the malty goodness of beer just as Oktoberfest wraps up.

Gather your buddies and head to your local brewery, or simply relax at home with a cold one.

The craft beer scene has exploded, offering a mind-boggling variety of ales and lagers.

Whether you love a classic lager or an adventurous IPA, there’s something for everyone.

So, raise a glass and celebrate the world’s most popular adult beverage.

Enjoy responsibly and have fun exploring new flavors! Cheers!

National Hot Mulled Cider Day – September 30

Get ready for National Hot Mulled Cider Day on September 30.

This day is all about the comforting flavors of fall. Imagine sipping on a warm mug of apple cider, spiced with cinnamon, nutmeg, and cloves.

You can cozy up on the couch, binge-watch your favorite show, and let the scent of hot mulled cider fill your home.

It’s the perfect way to welcome autumn. Sip, relax, and enjoy!

Choosing the Perfect September Party Theme

Selecting the right theme for your September party can set the tone for a memorable event. Focus on the unique aspects of the season and look for ways to make your party stand out.

Seasonal Inspiration

September offers plenty of inspiration with its transition from summer to fall.

Embrace the changing season with an outdoor picnic or a harvest festival. Decorate with autumn leaves, pumpkins, and warm colors.

Consider a Labor Day celebration to mark the end of summer, complete with BBQs, lawn games, and fireworks.

A back-to-school party can be a fun theme for kids. Make it special with classic schoolyard games and simple school-themed decorations.

Another idea is a football-themed party to celebrate the return of football season. Invite guests to wear their favorite team jerseys and enjoy game day snacks like nachos and buffalo wings.

Unique and Memorable

Stand out by picking a creative and unique theme. How about a pajama party on September 22nd to celebrate National Ice Cream Cone Day?

Combine cozy pajamas with a variety of ice creams and toppings.

Set up cozy areas with pillows and blankets for your guests to relax and enjoy.

A breakfast party is another unique idea. Celebrate Better Breakfast Day on the 25th of September with a brunch spread featuring eggs, bacon, toast, and fresh fruit.

If a traditional breakfast party feels too early, turn it into a brunch party instead.

For a whimsical twist, consider a Dream-themed party to celebrate World Dream Day on the 25th.

Set up individual tents for kids to sleep in and encourage them to wear their fanciest pajamas.