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The 10 Fastest-Growing UK Instagram Accounts of September 2026

Florence Pugh’s Venice Film Festival run, complete with a viral Aperol Spritz workout clip, outpaced the growth of players at two of Europe’s biggest football clubs. Barcelona’s big-money winger Anthony Gordon and Bayern’s Michael Olise both opened the 2026/27 season with standout performances, while Manchester City’s account surged through the first month of the post-Guardiola era. Here are September’s fastest-growing UK accounts:

#1. Florence Pugh | @florencepugh

Gained: +622.5K followers

September total: 10.8M followers

Promoted Netflix’s “East of Eden” at the Venice Film Festival, fronted the Max Mara Le Parfum campaign, and presented at the Emmys. A viral September 13 Reel of her doing bicep curls with Aperol Spritzes drew attention well beyond her film audience.

#2. Anthony Gordon | @anthonygordon

Gained: +471.8K followers

September total: 4.5M followers

Became only the third player this century to register four assists in his first four La Liga appearances for Barcelona, joining Cesc Fàbregas and Luis Suárez, both in a Barcelona shirt. His fourth assist came in a 5-0 win at Valencia.

#3. Lewis Hamilton | @lewishamilton

Gained: +344.5K followers

September total: 44.1M followers

Finished sixth at the Italian Grand Prix after an early clash with Charles Leclerc, then retired from the inaugural Spanish Grand Prix in Madrid after seven laps with a brake failure, ending his streak of finishing every lap in 2026.

#4. Jobe Bellingham | @jobebellingham

Gained: +288.3K followers

September total: 4.7M followers

Turned 21 on September 23 as Borussia Dortmund opened their Bundesliga defense; growth likely built on birthday attention and continued visibility as a first-team player and Jude Bellingham’s younger brother.

#5. ‘The Diary Of A CEO’ with Steven Bartlett | @thediaryofaceopodcast

Gained: +249.6K followers

September total: 4.0M followers

Released a September 24 episode with comedian Druski, whose viral sketch work had already made him a widely discussed figure; the show kept its usual multi-episode weekly schedule across the month.

#6. Michael Olise | @m.olise

Gained: +214.7K followers

September total: 11.4M followers

Scored his first competitive hat-trick for Bayern Munich in a 7-0 win over Union Berlin, then added two goals and an assist against Bodø/Glimt in the Champions League opener, earning a place in UEFA’s official Matchday 1 Team of the Week.

#7. Erin LeCount | @erinlecount

Gained: +208.5K followers

September total: 389.5K followers

The Essex-born alt-pop singer’s September growth reads as a continuation of a longer discovery arc, built on 2025’s viral “Silver Spoon” and this year’s “Pareidolia” EP, rather than a single September event.

#8. Premier League | @premierleague

Gained: +205.0K followers

September total: 80.4M followers

Growth tracked the season’s high-volume match-day content cycle, with the Enzo Maresca/Manchester City storyline, five straight wins including a 10-man derby win at Old Trafford, among the account’s biggest draws.

#9. Tom Holland | @tomholland2013

Gained: +171.2K followers

September total: 68.7M followers

Continued high-profile press attention followed the summer releases of “Spider-Man: Brand New Day” and Christopher Nolan’s “The Odyssey.”

#10. Manchester City | @mancity

Gained: +160.6K followers

September total: 57.1M followers

Opened the Enzo Maresca era, the club’s first season without Pep Guardiola since 2015-16, with five wins from five: a dramatic 10-man derby win at Old Trafford and a 2-0 Champions League-opening win at Porto.

Institutional Muscle vs. Organic Discovery

Most of this list grew on the back of existing institutional weight rather than audience-built-from-scratch momentum. Pugh, Hamilton, Holland, the Premier League, and Manchester City sit in the celebrity-and-institution tier. Gordon, Bellingham, and Olise occupy a middle tier, young athletes whose growth is real and performance-driven but still runs through major-club infrastructure, stadium cameras, and club social teams rather than audience development of their own making. “The Diary Of A CEO” is an established, seven-figure-subscriber show with its own production company behind it. Erin LeCount is the clearest case of genuinely organic, creator-led growth on this list, an independent artist whose Instagram following traces directly back to songs going viral on TikTok rather than any club, studio, or network pushing her into view.

Data from HypeAuditor, September 2026

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Dragomir is a Serbian freelance blog writer and translator. He is passionate about covering insightful stories and exploring topics such as influencer marketing, the creator economy, technology, business, and cyber fraud.

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