As we leave behind a summer of fabulous royal style, we look forward to autumn and the sartorial choices the colder weather will bring.
The month of September has started positively with a welcomed update from the Princess of Wales regarding the conclusion of her preventative chemotherapy for cancer. The royal looked radiant in the touching family video filmed with Prince William and their three children.
Across the pond, the Duchess of Sussex has been spotted in the first of her autumn/winter neutrals, while the Duchess of Edinburgh flies the flag for transitioning summer brights into the chillier months.
Princess Charlene of Monaco and Queen Mary of Denmark are leading the way when it comes to stylish Euro royals, and the month is not over yet.
Who was on our Royal Style Watch this September? Keep scrolling to find out which of the royal set delivered in the style stakes…
Queen Mary
Queen Mary of Denmark looked splendid when she stepped out for a visit to the Health Care Nurses with the Mary Foundation wearing a twisted Victoria Beckham blue blouse with a jazzy floral skirt.
She accessorised her look with the timeless 'Ellipsis 105 Nude Python Pumps' from Gianvito Rossi, as well as matching pearl jewellery from Dulong. Her hair was styled in bouncy waves.
Duchess Sophie
Duchess Sophie looked fabulous at a reception celebrating the UK-Tanzania partnership in health in the 'Halliday' ruffled dress from Zimmermann which featured bell sleeves and a crew neckline. Her sandy locks were swept up into an understated updo.
Princess Charlene
Princess Charlene and Prince Albert of Monaco inaugurated the new shelter in style
Princess Charlene of Monaco looked effortlessly chic in an unexpected chocolate brown ribbed co-ord styled with classic nude pumps to open a new animal shelter with facilities to accommodate up to 40 dogs and 50 cats in Monaco.
Queen Máxima
Queen Maxima re-wore her Valentino gown
Queen Máxima of the Netherlands co-hosted a gala for the Council of State at Palace Noordeinde in The Hague where she recycled her most beautiful Valentino gown from 10 years ago with tiered ruffles and a strapless neckline in an icy blue hue.
The garment was styled with a coordinating pashmina, as well as glimmering aquamarine jewels and a grey glittery clutch.
Princess Catharina-Amalia
Princess Amalia shone in royal blue
Princess Catharina-Amalia of the Netherlands was a pristine future queen in a cobalt mermaid gown by Alex Perry teamed with her mother Queen Máxima's Gianvito Rossi 'Gianvito 105 Navy Velvet Pumps' and a statement necklace at a gala for the Council of State at Palace Noordeinde.
Meghan Markle
The Duchess of Sussexstepped out to celebrate Prince Harry's birthday at the annual George Zajfen Tennis Tournament in a Guiliva Heritage collared mini dress and strappy heels from Aquazzura.
Duchess Sophie
The Duchess of Edinburgh recycled her beautiful cotton printed midi dress from Giambattista Valli on day one of her tour of Tanzania, styling the cinched number with a pair of Penelope Chilvers wedges and Sophie Habsburg 'Lunatic' bag.
Princess Anne
Princess Anne looked elegant in a camel-hued blazer to visit Victim Support in Bristol
The Princess Royal looked like a 90s fashion icon in a light brown suede jacket for a charity visit in Bristol. She elevated her look with a printed silk scarf and tan accessories.
Queen Mary
Queen Mary's look felt elevated and sophisticated
Queen Mary of Denmark looked wonderful in the 'Kaleidoscope Floral-Print Midi Dress' from Zimmermann at a reception for Danish Olympians and Paralympians at Fredensborg Palace. She styled the eye-catching number with a bridal white coat and cinched her silhouette with a chic raffia belt from Etro.
Princess Charlene
Princess Charlene wore a DVF jumpsuit
Princess Charlene was stunning in a retro-style printed jumpsuit from Diane von Furstenberg worn to the inauguration of the new Charles Ill College in Monaco. She teamed the leg-lengthening look with a pair of buckle-adorned pointed-toe stilettos - très chic!
Princess Beatrice
Princess Beatrice rocked polka dots
Princess Beatrice rocked a vintage aesthetic with a polka dot dress, cropped jacket, and patent Mary Janes at the BGC Group Charity Day on behalf of the Cantor Fitzgerald Relief Fund, and looked picture-perfect.
Meghan Markle
The Duchess of Sussex, 43, was spotted at an intimate gathering at a new bookstore in Summerland, Santa Barbara where she looked radiant in cream.
She styled matching separates from Ralph Lauren with black suede pumps and Logan Hollowell's '18 carat Fortuna Tennis Necklace with Diamonds in Yellow Gold' which retails for $30,000.
Princess Kate
Prince William and Kate Middleton with children Prince George, Princess Charlotte and Prince Louis
The Princess of Wales, 42, looked radiant as she announced she had completed her chemotherapy treatment. In a video shot by Will Warr, the royal was seen in a dreamy boho dress - the 'Castella' style from Veronica Beard with the 'Esplar Metallic-Trimmed Leather Sneakers' from Veja.
Queen Mary
Queen Mary participated in a memorial service in connection with Flag Day for Denmark's expatriates
The Danish queen, 52, attended the parade on Denmark's flag day at the Christiansborg Palace Square where she was elegant in the navy 'Jubilee' dress with a square neckline from Jane Atelier with Gianvito Rossi pink pumps and the 'Small Whitney Bag' from Max Mara.
Duchess Sophie
The Duchess of Edinburgh, 59, attended a garden party at Hillsborough Castle where she re-wore her yellow 'Yahvi' dress from Beulah London with a Jane Taylor blue hat and Jimmy Choo heels.
Queen Letizia
Queen Letizia wore neutral businesswear
Queen Letizia of Spain, 51, attended the opening of the School Year 2024/2025 at the CEIP Maestra Placida Herranz where she looked pristine in black cigarette trousers with a striped puff sleeve shirt and open-toe heeled sandals.
Queen Máxima
Queen Maxima wore burnt orange to the Reinier de Graaf hospital
Queen Máxima of the Netherlands, 53, was seen at the opening of the new endometriosis centre at the Reinier de Graaf hospital where she glowed in a rust orange ruffled co-ord from Claes Iversen with a pair of metallic heels in the same hue from Gianvito Rossi.
Queen Camilla
Queen Camilla and King Charles III attend The Braemar Gathering 2024
Queen Camilla, 77, wore an unusual Fiona Clare dress covered in feather print to the Braemar Gathering at The Princess Royal and Duke of Fife Memorial Park which was styled with a Philip Treacy hat and the Bottega Veneta 'Intrecciato Small Leather Shoulder Bag'.
Crown Princess Victoria
Crown Princess Victoria wore a floral headband
Crown Princess Victoria of Sweden, 47, made an appearance at a ceremony linked with the opening of the Swedish Parliament's fall session. She wore a belted black and white dress from & Other Stories which was teamed with Gianvito Rossi pumps and an Abro clutch.
Princess Charlene
Prince Jacques and Princess Gabriella joined their parents at the picnic
Princess Charlene of Monaco, 46, stole the show at the U Cavagnëtu picnic in a drop-shouldered asymmetrical red jumpsuit styled with a tan belt to match her leather pumps and earrings by Vanrycke Paris.