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What’s Trending on Social Media Right Now – and How You Can Join In

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Published on September 3, 2025

Summer may be coming to a close, but we’re just warming up for one of the busiest ecommerce seasons. Whether you’re releasing new fall products or starting the Christmas buildup, you can maximize your efforts by taking part in social media trends for September.

Below, I’ve shared the trends businesses are using this month on the most popular social media platforms. To make things easier, I’ll give you everything you need to recreate each video – including a link to the trending audio, step-by-step instructions, and example posts.

Let’s get into it!

Instagram Trend: POV: It’s September

🎵Trending audio: Lalala Gilmore Girls

September 1 marks the start of Gilmore Girls season. If you haven’t had a chance to watch the comedy-drama, it’s the epitome of all things fall. The show’s theme tune becomes a TikTok and Instagram trend every year without fail, as people use it to share the seasonal transformation of their homes and wardrobes.

This one’s perfect for any brand releasing fall products, whether that’s a new cinnamon cookie, pumpkin-clad pajamas, or a seasonal homeware line. Showing your products being used in the ultimate cozy setting is the best way to appeal to potential customers.

Two brands announcing the release of their pajama collection and scented candles — One of the most popular uses of this audio on Instagram is to announce new product lines. Source: Instagram users Treatbox and Natural Isle

📸 How To Use This Instagram Trend

Click the linked trending sound on a mobile device and tap “Use audio”
Film a clip of your products that lasts the entire length of the audio (22 seconds) or less
Add text to announce your product or share your excitement for the season. Examples from other businesses include:
- “The shoes of the season”
- “How I want to dress this fall”

TikTok Trend: Every Night, I’ll be There

🎵Trending audio: original sound by Moldy Egg

Ever had that trusty bag that goes everywhere with you, or maybe you’re never seen without an AirPod in your left ear? TikTok users have been sharing pictures of themselves being caught time and time again with their ride-or-die products. The trending TikTok audio in the background is also very fitting: “Every night at dinner, I’ll be there. Every birthday party, I’ll be there. Every Christmas…” You get the gist.

This social media trend for September is a great way to show the value and quality of your products as they continue to be used over time. You could use user-generated content, pictures of you or your staff using the product, or simply repurpose old social media content, like TikTok user Sweet Design did:

A birds-eye view of 9 cookies followed by a close up of one cookie — This trend is a great excuse to give your older content a new lease on life. Source: TikTok user Sweet Design

📸 How To Use This TikTok Trend

Click the linked trending sound on a mobile device and click “Use sound”
Add multiple clips or photos of your product. Time your clips to switch to the next after each “I’ll be there”
If preferable, add subtitles to the audio or a “POV” caption, such as:
- “POV: discussions when you have a small business”
- “POV: you run a greetings card company”

September Dates for Your Marketing Calendar

While these post ideas are great for last-minute content, building a marketing calendar will help you plan in advance, which is a time-saver for busy businesses.

Incorporating marketing dates into your social media strategy can strengthen your content and make it super relevant to your audience. Here are the key dates to keep in mind for this month:

Sep 1: Labor Day
Sep 5: International Day of Charity
Sep 7: Grandparents Day
Sep 8: International Literacy Day
Sep 10: World Suicide Prevention Day
Sep 11: Patriot Day
Sep 15: National Hispanic Heritage Month starts
Sep 16: Marks 100 days until Christmas
Sep 20: Oktoberfest begins
Sep 21: International Day of Peace
Sep 21: World Alzheimer’s Day
Sep 23: International Day of Sign Languages
Sep 25: National Daughter’s Day
Sep 27: World Tourism Day
Sep 28: National Son’s Day

Fall Trends Are Upon Us

Yes, fall doesn’t officially start for a few weeks, but with the online landscape being so fast-moving, the earlier the better. By trying these social media trends for September, you’ll give your brand a strong start to the month. Remember to click the trending sounds I’ve linked and browse the videos attached if you need extra inspiration.

New seasonal trends will be emerging left, right, and center now, so I’ll report back as and when I find any opportunities for businesses. Are there any trends you’d like me to break down? Let me know in the comments.

Written by:

Annie Angus Writer

Annie Angus is a Writer for Website Builder Expert with a passion for shaping jargon-heavy research into digestible content. She has previously researched and written about industries ranging from tech to fashion, and now, after testing our top website builders such as Wix and Squarespace, she is enthusiastic to share her findings with our readers. With first-hand experience in utilizing social media and online marketplaces to grow a small handmade clothing business, Annie understands the priorities and concerns held by SME owners, and knows precisely what they look for in a website builder. She combines this unique perspective with her knowledge of website builders to produce engaging content spanning all areas of the small business journey, from creating a strong website to growing and maintaining an audience.

What’s Trending on Social Media Right Now – and How You Can Join In

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