A month page is evergreen: it describes what every September looks like on the international calendar, then lists the dated events of the next September with their status.
01Where the season is concentrated
September reassembles the calendar that August dissolved. It opens on the Lido with the Venice Film Festival and in Queens with the US Open's second week; New York Fashion Week follows the tennis directly, then London, Milan and Paris in sequence through to early October. The yacht world's most important month runs from the Maxi Yacht Rolex Cup at Porto Cervo through the Cannes Yachting Festival to the Monaco Yacht Show in the last week and Les Voiles de Saint-Tropez at the turn of the month. Goodwood's Revival, the Italian Grand Prix at Monza and the new Spanish Grand Prix in Madrid give motorsport its European autumn. Frieze Seoul and the Armory Show — now in late September — reopen the art fairs; the London Design Festival and Maison&Objet reopen design; the Salon Privé concours opens the English autumn; the UN General Assembly's high-level week makes Manhattan impassable for five days.
September is the month the Riviera has its second season: Cannes and Monaco are as busy in the last ten days as in late May, with a different crowd.
02Major events
Week by week: the events that open each week of the month, the most important first.
Sep 1–5, 2027Week 1
Sep 6–12, 2027Week 2
Sep 13–19, 2027Week 3
Sep 20–26, 2027Week 4
03The ten defining events · September 2027
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29 Aug → Sep 12, 2027New York · United States · Tennis US OpenSignificant
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1 Sep → Sep 11, 2027Venice Lido · Italy · Film Venice International Film FestivalMajor
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1 SepGoodwood · United Kingdom · Motorsport Goodwood RevivalSignificant
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9 Sep → Sep 14, 2027New York · United States · Fashion New York Fashion WeekMajor
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16 Sep → Sep 20, 2027London · United Kingdom · Fashion London Fashion WeekSignificant
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17 Sep → Sep 19, 2027Adare · Ireland · Golf Ryder CupMajor
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21 Sep → Sep 27, 2027Milan · Italy · Fashion Milan Fashion WeekMajor
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21 Sep → Sep 27, 2027New York · United States · Business & Finance UN General Assembly High-Level WeekSignificant
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22 Sep → Sep 25, 2027Monte Carlo · Monaco · Yachting Monaco Yacht ShowMajor
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27 Sep → Oct 5, 2027Paris · France · Fashion Paris Fashion WeekDefining
04Important destinations
Venice for the first ten days; New York for the whole month; Monaco, Cannes and Saint-Tropez for the last ten; Porto Cervo and Palma for the regattas; Milan and London for fashion; Goodwood, Monza and Madrid for a weekend each; Seoul, Toronto and Newport for their fairs and shows.
05Geographic movement
Two loops run at once. The fashion loop goes New York → London → Milan → Paris over four weeks. The yacht loop goes Porto Cervo → Cannes → Monaco → Saint-Tropez over three. Where they cross — Milan Fashion Week and the Monaco Yacht Show are a two-hour drive and the same week apart — is one of the year's great overlaps.
06Weather
The Mediterranean's best month: warm sea, cooler air, fewer crowds outside the fixtures, though September storms on the Riviera are sudden and heavy. New York is warm into the tennis and cooler by fashion week. Venice can still be hot on the Lido. Goodwood Revival is a coat-and-tweed weekend by design.
07The most important weekends
The last weekend of September: the Monaco Yacht Show's closing days, Milan Fashion Week ending or Paris beginning, Les Voiles de Saint-Tropez opening, and often a Grand Prix. The first weekend, with the US Open finals and the Venice awards, opens the month at the same intensity.
08Where the season moves next
October: Paris Fashion Week's finish, the Prix de l'Arc de Triomphe on the first weekend, Frieze London and Masters with the London auction week, Art Basel Paris, the Singapore and United States Grands Prix, PAD London, Paris Photo in November's shadow, the Alfred Dunhill Links, Fort Lauderdale's boat show at the month's end.