The brilliant Totally Thames festival month runs all September and deals with all things river - there are events of all sorts right across London, including loads of live performances (Sept 1-30)

Autumn kicks off at Shakespeare's Globe and the Wannamaker Playhouse with Much Ado and Love's Labours Lost - plus talks, events, guiding tours etc (from Sept 1)

The London Podcast Festival takes place at King's Place with big names, new names, live podcasts, meet-and-greets and workshops (Sept 3-13)

The Mayor of London's 'Black on the Square' Festival takes over Trafalgar Square for the fourth year running to celebrate Black music, culture and food (Sept 5)

The Tete a Tete Opera Festival takes over the Cockpit Theatre, Marylebone, for most of September, covering an incredible range of subjects with fabulous energy (Sep 8-26)

LANZA Atelier's Serpentine Pavilion, based on an English 'crinkle-crackle' wall reinterpreted by the Mexico City practice will be in Kensington Gardens until October 25.

It's back! The Bayeux Tapestry has literally rolled into town and will be on show at the British Museum from this month. Next tranche of tickets drops Oct 21, Oct 6 for members (Sept 10-July 11 2027)

Last chance for the RPS International Photography Exhibition 167 at the Saatchi Gallery in Chelsea, featuring over 100 prints by 48 photographers, out of a longest of over 5,000 (ends Sept 11).

Get thee to the Thames for the annual Great River Race from Millwall west to Richmond (over 21 miles), almost 40 years old and now with 300 crews and around 2,500 competitors at all levels (Sept 12).

Yay, it's Open House, the annual chance to get into offices, residences, heritage sites and new builds that you can't normally get into - but the (free) tickets go fast so start booking (Sept 12-20).

The London Design Festival takes over the city for a week with exhibitions, talks, workshops and global design forums at numerous venues (Sep 12-20)

Frieze Sculpture takes over Regent's park for six weeks, with works by 11 artists sited in the landscape in a free display (Sep 16 to Nov 1)

The Final Frontier: we all love seeing the images on show at Astronomy Photographer of the Year, opening this month at the National Maritime Museum, Greenwich, with workshops and events (from Sep 18)

The Wellcome Collection, always good for a punchy show, examines senescence in 'Coming of Age', with work and objects from 120 artists (to Nov 29)

Where else would you have a Philosophy and Music Festival but Hampstead Heath? Tents go up below Kenwood House for 'How the Light Gets In' - book fast, it's always popular (Sep 19/20)

The Worshipful Company of Woolmen stage their annual Sheep Drive and Livery Fair, celebrating their ancient right to cross London Bridge toll-free, with a fair on Queen Street, just over Southwark Bridge, book in advance (Sep 27)

Va-Va-VAM! The V&A's celebration of one of fashion's most original designers, 'Schiaparelli: Fashion Becomes Art', only has a couple of months to go (closes Nov 8).