Heading to London to soak up the last of that summer sunshine before the days start getting shorter? As always, there’s plenty going on to keep you occupied and entertained in the city. September is a month of many an interesting festival in London so while the days are still warm, you can choose from an eclectic line-up of design, art, and fashion events across the city. Check out some of our favourite things to do in London in September here at Plum Guide and the best homes to stay in nearby...

For the whole month of September, London celebrates the Thames River with Totally Thames, a series of events, installations and exhibitions dedicated to the city’s 42 mile river. The city shows its love for its central body of water with an extensive month-long programme of events. The agenda includes exhibits of art pieces inspired by the river, boat races, watersports, historic riverside walks and live musical performances. Organised by the Thames Festival Trust, there’s certainly lots to take in, and this is the best time of year to watch the Thames come to life in every way possible.

Explore our family-friendly homes in London.

Attention fashion pack (which we're sure is all of you), the second London Fashion Week of the year is held in September. London Fashion Week Festival is the main event open to the public. Any lover of fashion, or art and design is encouraged to attend this week at least once. This four day Strand-based festival has an exciting programme of events including catwalk shows, pop-up shops from emerging designers, and talks and panels with industry experts. London Fashion Week Festival is the main event open to the public. Oh, and keep an eye out for the models and other fashion big-wigs that flock to London for every single Fashion Week. Stay nearby in one of our super central homes like Strand Me.

Want to get up close and personal with some of the most iconic buildings in London? That’s just what you get to do during Open House London in September. This two day event offers the public access to some of the most architecturally spectacular and unique London buildings from the BT Tower to the Royal Albert Hall (which is also a great place to visit during the festive month of December in London). You’ve got over 800 building to choose from, including private homes, museums, churches and schools. The programme includes tours and guided walks through the buildings. It’s the perfect opportunity for any architecture and design lover to explore London in close detail. And the best part? It’s all for free. If that sounds like one of the best things to do in London in September for you, then stay in one of Plum's very own open-house homes like The Adaptable House, enjoying the quirky interior and stunning views across the Bloomsbury rooftops.

For all you lovers of design, this is an unmissable event if you’re looking for things to do in London in September. The London Design Festival showcases innovative and exciting design projects from some of the most interesting (and up-and-coming) creative talents in the city. This includes a mix of architects, artists, and designers. You’ll see large-scale installations and exhibits popping up all over the city during this entire week in September (with lots of design fodder for your Instagram page). There’s also a programme of talks and workshops.

Enjoyed our guide to our favourite things to do in London in September and want to keep reading? Take a look at our favourite things to do in London in October, or what to do during November in London next.