Catch up with all the confirmed deals below, while you can follow the latest transfer news and gossip as it happens here.
English Football League
Jordan Ayew [Unattached - Sheff Utd]
Joe Knight [Stevenage - Sutton] Loan
Cristian Pascaluta [Unattached - Leyton Orient]
Ehije Ukaki [Sheff Utd - Botev Plovdiv] Loan
Nils Zatterstrom [Sheff Utd - Rakow Czestochowa] Loan
Matt Smith [Unattached - Stevenage]
Bertrand Traore [Unattached - Wolves]
Yann Gboho [Toulouse - Coventry] Undisclosed
Djylian N’Guessan [St-Etienne - Liverpool] £4.3m (joining officially in January)
Nicholas Bilakopic [Unattached - Derby]
Morgan Whittaker [Middlesbrough - Colorado Rapids] Undisclosed
Owen Eames [Derby County - Falkirk] Loan
Joel Cotterill [Swansea City - St Johnstone] Undisclosed
Kevin Kelsy [Portland Timbers - Rangers] Undisclosed
Badredine Bouanani [Stuttgart - Rangers] Loan
Josh Campbell [Hibernian - St Johnstone] Loan
MJ Kamson-Kamara [Heart of Midlothian - Kilmarnock] Loan
Alex Williams [West Bromwich Albion - Hibernian] Loan
Zidane Iqbal [Utrecht - Dundee United] Undisclosed
Davis Keillor-Dunn [Wrexham - Sheff Wed] Loan
Samson Tovide [Colchester - Huddersfield] Free
Lyle Foster [Burnley - Houston] Loan
Women’s Super League
Shanade Hopcroft [Birmingham City - Crystal Palace]
Anna Moorhouse [Orlando Pride - Manchester City] Loan
Elisa de Almeida [Paris St-Germain - Arsenal] Undisclosed
Deals completed on 1 Sept and announced on 2 Sept
Femi Azeez [Millwall - Brighton] £15m
Michael Adu-Poku [Watford - Newport] Loan
Gady Beyuku [Modena - Blackburn] Undisclosed
Adama Boiro [Athletic Club - West Ham] Loan
Justin Devenny [Crystal Palace - Stoke] Undisclosed
Kiano Dyer [Chelsea - Chesterfield] Loan
Romain Esse [Crystal Palace - Millwall] Loan
Kion Etete [Cardiff - Newport] Loan
Matty Jacob [Hull - Newport] Loan
Ghislain Konan [Gil Vicente - Wolves] Undisclosed
Luka Lynch [Aston Villa - Oxford] Loan
Jeremy Monga [Manchester City - Swansea] Loan
Sean Neave [Newcastle - Wolves] Loan
Joel Randall [Bolton - Chesterfield] Loan
Josh Robertson [Brighton - Fleetwood] Loan
Dan Watts [Swansea - Exeter] Loan
Rebeca Bernal [Washington Spirit - Manchester United] Undisclosed
Dario Osario [FC Midtjylland - Crystal Palace] Loan
Juan Riquelme Angulo [Independiente del Valle - Sunderland] Undisclosed
Jean-Matteo Bahoya [Eintracht Frankfurt - Leeds] Loan
Quinten Timber [Marseille - Crystal Palace] Undisclosed
David Affengruber [Elche - Fulham] Undisclosed
Ben Chilwell [RC Strasbourg - Crystal Palace] Undisclosed
Ainsley Maitland-Niles [Lyon - Everton] Undisclosed
Enzo Fernandez [Chelsea - Manchester City] £125m
Christos Mouzakitis [Olympiakos - Hull] Undisclosed
Chema Andres [Stuttgart - Brighton] £15.5m
Sorba Thomas [Stoke - Hull] Undisclosed
Zian Flemming [Burnley - Ipswich] £20m (reported)
Tosin Adarabioyo [Chelsea - Tottenham] Undisclosed
Jack Grealish [Manchester City - Everton] Loan
Melvin Bard [Nice - Leeds] Loan
Robinio Vaz [Roma - Hull] Loan
Manuel Angel [Real Madrid - Fulham] £3m
Hugo Larsson [Eintracht Frankfurt - Fulham] Loan
Brooke Norton-Cuffey [Genoa - Hull] £12m
Tim Iroegbunam [Everton - Hull] £22m
Mykhailo Mudryk [Chelsea - Tottenham] Loan
Iliman Ndiaye [Everton - Manchester City] £65m
Kevin Danso [Tottenham - Sunderland] Loan
Lucca Brughmans [Genk - Liverpool] £30m
Matias Fernandez-Pardo [Lille - Newcastle] £51.4m
Honest Ahanor [Atalanta - Crystal Palace] Loan
Taylor Harwood-Bellis [Southampton - Aston Villa] £29m
Ibrahim Mbaye [Paris St-Germain - Aston Villa] £47m
Ilyas Ansah [Union Berlin - Hull] Undisclosed
Lyall Cameron [Rangers - Dundee United] Loan
Oliver Sorensen [Parma - Celtic] Loan
Dylan Levitt [Leyton Orient - Motherwell] Undisclosed
Raphael Borges Rodrigues [Coventry - Burton] Loan
Dane Scarlett [Tottenham - Leyton Orient] Undisclosed
Oliver Dovin [Coventry - Leyton Orient] Loan
Oliver Skipp [Leicester - Charlton] Loan
David Ozoh [Crystal Palace - Derby] Undisclosed
Brian De Keersmaecker [Oxford - Bristol City] Loan
Tyrese Shade [Burton - Portsmouth] Undisclosed
Zech Obiero [Leyton Orient - Gillingham] Loan
Aidan Borland [Aston Villa - Accrington] Loan
Kamari Doyle [Brighton - Leicester] Loan
George Sebine [Huddersfield - Rotherham] Loan
Connor Barron [Rangers - Middlesbrough] Loan
Dan Butler [Stevenage - Swindon] Loan
Liam Gibbs [Norwich - Preston] Loan
Reo Hatate [Celtic - Burnley] Undisclosed
Johnny Kenny [Celtic - Preston] Undisclosed
Jay Williams [Crawley - Colchester] Undisclosed
Myron Boadu [Unattached - Watford]
Eli King [Cardiff - Gillingham] Undisclosed
John Lundstram [Trabzonspor - Leicester] Free
Harry Ashfield [Wrexham - Peterborough] Undisclosed
Amario Cozier-Duberry [Brighton - Middlesbrough] Loan
Jack McGlynn [Houston Dynamo - Stoke] Undisclosed
Klaidi Lolos [Peterborough - Rotherham] Loan
Stephy Mavididi [Leicester - Watford] Loan
Mohammed Fuseini [Union Saint-Gilloise - Derby] Loan
Tommy Setford [Arsenal - Stevenage] Loan
Ajay Matthews [Millwall - Exeter] Loan
Danny Rose [Barrow - Exeter] Undisclosed
Fin Cartwright [Middlesbrough - Grimsby] Loan
Chieo Ogbene [Ipswich - Lincoln] Loan
Soumaila Coulibaly [Strasbourg - Watford] Loan
Damola Ajayi [Tottenham - Barnet] Loan
Rosaire Longelo [Salford - Notts County] Undisclosed
Filip Marschall [Stevenage - Millwall] Undisclosed
Jayden Meghoma [Brentford - Portsmouth] Loan
Dan Oyegoke [Hellas Verona - Lincoln] Undisclosed
Mark O’Mahony [Brighton - Burton] Loan
George Abbott [Tottenham - Mansfield] Loan
Igor Julio [Brighton - Burnley] Undisclosed
Dujuan Richards [Chelsea - AFC Wimbledon] Loan
Liam Millar [Hull - Birmingham] Loan
Morato [Nottingham Forest - West Ham] Loan
Eiran Cashin [Brighton - Derby] Loan
Brayann Pereira [NEC Nijmegen - West Brom] Undisclosed
Corey O’Keeffe [Barnsley - Bradford] Undisclosed
Zach Abbott [Nottingham Forest - Southampton] Loan
Elijah Campbell [Everton - MK Dons] Loan
Liam Kitching [Coventry - Sheffield United] Loan
Theo Bair [Auxerre - Bolton] Loan
Brad Burrowes [Aston Villa - Wigan] Loan
Jodi Jones [Notts County - Bromley] Loan
Callum O’Hare [Sheffield United - Wrexham] Undisclosed
Charlie Tasker [Brighton - Rochdale] Loan
James Collins [Lincoln - Doncaster] Loan
Sam Curtis [Sheffield United - Cambridge] Loan
Mark Shelton [York - Grimsby] Loan
Junior Nkeng [AFC Wimbledon - Charlton] Undisclosed
Glenn Middleton [Doncaster - Rochdale] Undisclosed
George Nevett [Peterborough - Tranmere] Loan
David Kamara [Peterborough - Tranmere] Loan
Dan Scarr [Wrexham - Salford] Undisclosed
Freddie Simmonds [Brighton - AFC Wimbledon] Loan
Tudor Mendel [Ipswich - Luton] Loan
Antony Evans [Huddersfield - Walsall] Loan
Nathan Asiimwe [Charlton - Salford] Loan
Luca Bambino [San Diego - Stoke] Undisclosed
Ibrahim Fullah [Charlton - MK Dons] Loan
Maleace Asamoah [Wigan - Port Vale] Loan
Keyrol Figueroa [Liverpool - Port Vale] Loan
Antwoine Hackford [AFC Wimbledon - Swindon] Undisclosed
Largie Ramazani [Leeds - Burnley] Loan
Emil Riis [Bristol City - Leicester] Undisclosed
Cameron Humphreys [Ipswich - Huddersfield] Loan
Joe Whitworth [Crystal Palace - Wigan] Undisclosed
Branimir Mlacic [Udinese - Watford] Loan
Kaelan Casey [West Ham - Stevenage] Loan
Jack Taylor [Stevenage - Exeter] Loan
Jaden Heskey [Manchester City - Sheffield Wednesday] Loan
Sam Chambers [Leeds - Northampton] Loan
Kylian Kouassi [Blackpool - Colchester] Undisclosed
Joe Bursik [Portsmouth - AFC Wimbledon] Loan
Josh Powell [Nottingham Forest - Northampton] Loan
Joe Worrall [Burnley - Wrexham] Undisclosed
Hayden Matthews [Portsmouth - Bradford] Loan
Caylan Vickers [Brighton - Burton] Undisclosed
Cody Drameh [Hull - Roma] £3.4m
Borna Sosa [Crystal Palace - Cologne] Loan
Nathan Patterson [Everton - Torino] Undisclosed
Wilfried Gnonto [Leeds - Fiorentina] Loan
Robert Sanchez [Chelsea - Como] Loan
Dario Essugo [Chelsea - Strasbourg] Loan
Hee Chan Hwang [Wolves - Schalke] Loan
Ethan Nwaneri [Arsenal - Borussia Dortmund] Loan
Deivid Washington [Chelsea - Strasbourg] Undisclosed
Lucca Brughmans [Liverpool - Genk] Loan
Nick Woltemade [Newcastle - Juventus] Loan
David Moller Wolfe [Wolves - Hamburg] Loan
Cameron Archer [Southampton - Auxerre] Loan
Pape Matar Sarr [Tottenham - Juventus] Loan with obligation to buy for £23.6m
Harvey Elliott [Liverpool - Valencia] Loan
Jean-Clair Todibo [West Ham - RC Lens] Loan
Jakov Medic [Norwich - FC Utrecht] Loan
Ivo Grbic [Sheffield United - Ludogorets] Undisclosed
Gabriel Jesus [Arsenal - Barcelona] £8.6m
Fabio Vieira [Arsenal - Hamburg] £8.6m
Kota Takai [Tottenham - Sint-Truidense VV] Loan
Sidnei Tavares [Blackburn - Wisla Plock] Loan
Marc Guiu [Chelsea - RB Leipzig] £14.6m
Luis Semedo [Sunderland - Clermont] Undisclosed
This page covers signings by Premier League, English Football League, Scottish Premiership and Women’s Super League clubs, along with selected deals from overseas.