Epic Halloween Costumes for 9 Year Old Girls
Halloween Costumes for 9 year-olds – girl power! When you’re shopping for the perfect Halloween costume for a 9-11-year-old girl, you want to find something fun, age-appropriate, and totally her style.
Whether she’s into bold superheroes, magical creatures, classic characters, or trending TV shows, this is the age where it’s all about imagination.
Believe me, I’ve got a girl in this age range and another one coming up quickly, so I get it.
In this post, we’ve rounded up the best Halloween costumes for 9-year-old girls for 2025 that are cute, creative, and will make her feel as special as she is!
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Halloween Costumes for 9 Year-Olds – Girl Power!
Taylor Swift Costume
This was huge last year, but I think Taylor Swift Costumes are going to be big again this year. With so many eras to choose from, girls can dress in sparkles, fringe, or concert looks that match their favorite songs—fun, stylish, and totally on trend!
She can also go with the bride theme as well with the recent news of her engagement to Travis Kelce. Just grab a sparkly dress and a veil like this one and you’re good to go!
KPop Demon Hunters
With the smash hit of the movie KPop Demon Hunters, I think this is going to be one of the biggest costumes of the year for this age range so I made an entire post on the Ultimate Guide to your KPop Demon Hunters Costume.
Also check out my dedicated post on KPop outfits in general here.
Elphaba & Glinda From Oz
A perfect duo costume for best friends or sisters—one gets glitter and pink, the other goes full witchy glam. Magical and memorable! Fun Duo Halloween costumes for sisters or best friends.
For more on how to take on the Wicked theme, read my dedicated post on it here.
Pirate Girl Costume
Adventurous and full of attitude, this costume is easy to customize and perfect for trick-or-treating with flair and confidence. For more pirate costume inspiration ideas check out my dedicated post on it right here.
Mary Poppins Costume
Classic, charming, and creative—this costume gives vintage vibes and lets girls channel their inner super nanny with style and grace. Our family dressed as the Mary Poppins theme for our church trunk-or-treat last year and my 8-year-old daughter totally nailed Ms. Poppins! Check out my dedicated post on Mary Poppins ideas here.
Barbie
This one is so fun and super easy to pull off! There are loads of choices to for dressing as Barbie as you could do Cowgirl Barbie, roller skating Barbie, and plaid dress Barbie as well!
Alvin & the Chipmunks
Great for a group or sibling costume—colorful, cute, and comfy, with room to sing, dance, and collect candy in character! Seriously the perfect idea for 3 siblings or friends for awesome Trio Halloween costumes.
If you want to delve more into this costume idea. Check out my dedicated Alvin and the Chipmunks costume ideas post here.
Wednesday Addams Halloween Costume
Instantly recognizable and effortlessly cool, this costume is perfect for girls who love a little spooky flair without too much fuss. A black dress and the white collar is perfect for dressing the party day or night. Our family took on The Addams Family theme last year and it was super cute!
To see more of how my girls became Wednesday Addams, check out my post here.
Little Red Riding Hood Halloween Costume
A storybook classic that’s both sweet and adventurous—plus, it’s super easy to put together with a cape and a basket.
For more in depth ideas, check out my post on Little Red Riding Hood costumes.
Grease Lightning Halloween Costume
Fun, retro, and full of personality—this costume is great for girls who love a little sparkle and sass. There are tons of options from dressing as good-girl Sandy, bad Sandy, one of the pink ladies or even a beauty school drop out.
Check out my dedicated post on Grease costumes.
Lucy Wilde from Despicable Me
A fun pick for girls who love science, gadgets, and strong, smart female characters with a quirky edge. Our family did the Despicable Me theme a few years ago for our church trunk-or-treat and it was a blast. I dressed as Vector because he’s my favorite super villian.
My son embodied Gru perfectly!
Grab a few Minion costumes as well and you’re good to go! If you want to go deeper, check out my dedicated post on dressing as Lucy Wilde, here.
Amelia Earhart
A creative and empowering costume choice for curious, history-loving kids who want to dress as a real-life hero.
My 9-year-old daughter dressed as Amelia Earhart for a class project on historical figures. It was suprisingly easy to pull off and adorable! Check out my post on Amelia Earhart costume ideas.
Poison Ivy
A bold, nature-loving villain with a strong style—perfect for girls who want a costume that’s fierce and unique. Check out my post for other ideas for a Poison Ivy Costume.
Inflatable Dinosaur Halloween Costume
Silly, eye-catching, and hilarious—perfect for kids who love to make people laugh. Check out my post on the Best Inflatable Costumes of 2025.
Princess Costume
For a fun and halloween costume, consider dressing up as a princess, fairy, or other mythical creature, complete with accessories like wings and a wand.
Inside Out Character (like Joy or Sadness)
Creative, colorful, and a cool nod to a movie many kids love.
Fairy or Butterfly
Always fun to dress as something whimsical- and something that can fly is totally cool!
Superheroes
Superheroes are always in style especially for 2025. Super cute and easy to pull off!
Safety Considerations – Costumes for Girls
- When choosing a halloween costume, you want to consider safety, especially for kids who will be trick-or-treating or attending parties.
- Costumes should be comfortable and allow for easy movement, and shouldn’t be something that will trip the girls are make it hard to see.
- Kids should also be supervised at all times while wearing their halloween costume, and should be taught to follow basic safety rules, like staying on the sidewalk and not going inside strangers’ homes.
- Don’t forget to check the weather forecast and dress accordingly, and consider adding reflective tape or glow sticks to costumes to increase visibility.
Budget-Friendly Halloween Costume Options
- Halloween costumes don’t have to break the bank, and there are plenty of budget-friendly options available for kids and teens. The above pictured skeleton dress is the one my 9 year-old daughter picked out for Halloween this year and it was surprisingly affordable!
- Ideas for budget-friendly costumes include making your own DIY halloween costume, shopping at thrift stores or second-hand shops, and borrowing costumes from friends or family members.
- Budget-friendly costumes can be just as fun and creative as more expensive options, and can help kids develop their imagination and creativity.
- Don’t forget to consider the cost of accessories and props, and look for ways to save money without sacrificing style or quality.
Online Shopping for Your Halloween Costume
- Online shopping can be a convenient and easy way to find halloween costumes for kids and teens, especially if you are short on time or prefer to shop from home.
- Online retailers offer a wide range of halloween costumes, including cool halloween costumes, classic costumes, and more, making it easy to find the perfect fit for any child.
- When shopping online, be sure to consider factors like shipping time, cost, and return policies, and look for retailers that offer secure and reliable shipping options.
- Don’t forget to read reviews and check the sizing chart to ensure the best fit.
Historical and Cultural Inspiration for a Halloween Costume
- Historical and cultural inspiration can be a great way to create a unique and memorable halloween costume, and can help kids learn about different cultures and time periods.
- Ideas for historical and cultural costumes include dressing up as a ancient Egyptian pharaoh, a medieval knight, or a traditional Japanese geisha.
Halloween Costume Shopping Tips
- When shopping for halloween costumes, it’s essential to consider factors like size, comfort, and safety, as well as the theme and style of the costume.
- Kids should try on costumes before buying to ensure a good fit, and parents should consider the cost and value of the costume.
- Shopping tips include looking for sales and discounts, shopping during off-peak seasons, and considering DIY or homemade costumes.
FAQs: Halloween Costumes for 9-Year-Old Girls
Q: What are some popular Halloween costume themes for 9-year-old girls in 2025?
A: Trending choices include characters from recent movies and shows (like Inside Out 2, The Little Mermaid, and Wednesday Addams), classic costumes like witches or fairies, and creative DIY ideas like book characters or animals.
Q: How can I make sure the costume is age-appropriate?
A: Look for costumes that offer full coverage, avoid overly mature designs, and are labeled for her age group. Aim for something fun and empowering that matches her interests without being too grown-up.
Q: Are DIY costumes a good idea at this age?
A: Definitely! 9-year-olds often love helping put their costume together. It’s a great chance to get creative as a family and make a costume that’s one-of-a-kind and budget-friendly.
Q: What should I consider for comfort and safety when it comes to a Halloween Costume?
A: Make sure the costume fits well (not too long or tight), is easy to move in, and works with layers if it’s cold. Avoid long capes or masks that block vision, and add reflective tape if trick-or-treating after dark.
Q: How can I help my 9-year-old pick a Halloween costume she’ll love?
A: Ask her what she’s into this year—TV shows, hobbies, favorite animals, books, or characters. Letting her help choose or create the costume makes it way more exciting (and easier for you!).
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Conclusion – Halloween Costume Ideas for 9-year-olds
No matter which costume she chooses, the most important thing is that she feels confident, comfortable, and ready to have fun.
Halloween is all about creativity, candy, and making memories—and the right costume can make it even more magical.
Whether she’s twirling in a princess dress, solving mysteries as a mini detective, or saving the day as a superhero, she’s sure to steal the show. Happy haunting and happy costume hunting!
Last minute halloween costumes
Alvin and the Chipmunks costumes
Saja Boys Costumes from KPop Demon Hunters
Hi I’m Erica! TV news anchor and mom to 4 littles. I’m obsessed with creating those “wow” moments in life through crafting at home, cool travel adventures and special celebrations with loved ones. Thanks for joining me on this adventure!
