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Operator headline explicitly announces September 4 + 5, 2027, replacing month placeholder; 2026 lineup is not 2027 billing.[1]
Labor Day weekend arts and music festival.
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Formula 1's[3] own 2027 schedule gives this round's weekend as "03 - 05 Sep"; the Grand Prix is run on the Sunday, the last day of the weekend.
The Temple of Speed holds the highest average speeds in Formula 1, and the Tifosi fill the banking whatever Ferrari's season looks like.
Messe München, Am Messesee, Messestadt Riem, Trudering-Riem, München, Bayern, 81829, Deutschland
Verband der Automobilindustrie
The show's own site reads 'September 7-12, 2027, with Press Day on September 6' in Munich.[1]
The IAA Mobility show returns to Messe München for six days, with a press day on 6 September.
Excel, 1, Western Gateway, Custom House, Silvertown, London Borough of Newham, Greater London, England, E16 1XL, United Kingdom
DSEI
Port de Cannes - Vieux Port, Esplanade Pantiero, Hautes Vallergues, Cannes, Grasse, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France métropolitaine, 06400, FranceCannes Yachting Festival
The festival's own site shows '7 -12 sept. 2027 Cannes – Vieux Port & Port Canto'.[1]
The Cannes Yachting Festival returns to the Vieux Port and Port Canto in Cannes for six days in September.
Bridge Square, Northfield, MN 55057
The organizer homepage now explicitly states “SEPTEMBER 8–12, 2027”; its dated bank-raid and rodeo listings also identify the September 2027 edition. The earlier mixed-year conflict is superseded by this current organizer notice.[1]
Northfield's annual celebration of the 1876 bank-raid defeat, with re-enactments, a rodeo, parade and car show.
Wikipedia[1] says they "are scheduled to be held from 10 to 19 September 2027 in the National Stadium in Beijing, China".
The 21st World Athletics Championships are held at the Beijing National Stadium, the second time the city has hosted after 2015. Ten days of track and field in the stadium built for the 2008 Olympics.
Knebworth House, Old Knebworth Lane, Knebworth, Old Knebworth, North Hertfordshire, Hertfordshire, England, SG3 6PT, United Kingdom
Live Nation Entertainment
Ticketmaster[1] UK's Oasis artist page lists 'Oasis Live '27' at Knebworth, Stevenage with startDate 2027-09-11T14:00:00 (2 p.m. BST), and oasisinet.com[2] lists 11/09/2027 - Knebworth Park as the first Knebworth date.
Oasis play Knebworth Park for the first time since their two historic nights there in August 1996, opening a run of six shows at the 125,000-capacity Hertfordshire site that closes the Live '27 tour.
≈$218.59
Formula 1's[2] own 2027 schedule gives this round's weekend as "10 - 12 Sep"; the Grand Prix is run on the Sunday, the last day of the weekend.
The Spanish Grand Prix runs at Madrid's Madring, the part-street, part-permanent circuit around IFEMA that took the race off Barcelona.
The Federal Reserve's[2] published FOMC calendar lists the meeting as "September 14-15" 2027, and Kalshi's[1] market for it strikes at the decision time on the second day. The Fed adds that "Each meeting date is tentative until confirmed at the meeting immediately preceding it".
Kalshi
The FOMC announces its rate decision on the second day of its September 14-15 2027 meeting. The meeting is one of the four in 2027 that comes with a Summary of Economic Projections - the "dot plot" - and a press conference. On 21 September 2026 Kalshi last traded Fed maintains rate 59%, Hike 25bps 20%, Cut 25bps 6%.
Wikipedia[1] says the matches "will be held at Adare Manor, a golf course in County Limerick, Ireland, on 17-19 September 2027".
Polymarket
The 46th Ryder Cup is played at Adare Manor in County Limerick, the first held in Ireland since the K Club in 2006. The Irish government is expected to spend €58 million on the event, €22.5 million of it an event licence fee to the European Tour.
Goodwood Motor Circuit, Claypit Lane, Maudlin, Westhampnett, Chichester, West Sussex, England, PO18 0PH, United KingdomGoodwood Estate
Operator explicitly lists September 18–19, 2027; exclusive end must be September20 to include second day. Checked October20,2026.[1]
Runners climb the 13-mile Barr Trail to the 14,115-ft summit in the Ascent, or turn around for the full Marathon, on a famously steep mountain course.
Developer Nate Cadieux said on March 19, 2026 that construction would likely not start for another 18 to 24 months, i.e. between September 2027 and March 2028; the date shown is the start of that window and the appeal outcome is unknown.[1]
Proposed redevelopment of the historic Newman Building at 2906 University Ave. in North Park, San Diego, the former Claire de Lune coffee shop site. Purpose Real Estate plans a seven-story building with 92 apartments (16 subsidized), ground-floor retail and underground parking above the restored two-story structure. The Planning Commission approved it 6-0 in March 2026; a labor-backed group's environmental appeal went to the City Council on June 30, 2026.
$47M
Marina Bay Sands, 10, Bayfront Avenue, Bayfront Subzone, Civic District, Downtown Core, Central Region, Singapore, 018956, Singapore
Swift
Sibos[1] lists "2027 Singapore Singapore, Marina Bay Sands, 20 - 23 September 2027".
Swift's annual Sibos conference for banks and market infrastructures comes to Marina Bay Sands in Singapore from 20 to 23 September 2027, the third time the city hosts.
George R Moscone Convention Center, Howard Street, Moscone North + South, San Francisco, California, 94105, United StatesSalesforce
Given as scheduled, per salesforce.com[1][2]'s Dreamforce FAQ: "Dreamforce returns to San Francisco, CA, at Moscone[3] Center, September 21–23, 2027."
Salesforce has set Dreamforce 2027 for 21-23 September 2027 at San Francisco's Moscone Center and on Salesforce+, with registration opening in spring 2027.
The Monaco Yacht Show's[1] own site now reads '22 - 25 September 2027'.
The Monaco Yacht Show's 2027 edition fills Port Hercule with superyachts for four days in late September.
Formula 1's[4] own 2027 schedule gives this round's weekend as "24 - 26 Sep"; the Grand Prix is run on the Sunday, the last day of the weekend.
Baku pairs a two-kilometre straight along the Caspian with a climb through the medieval old city barely wide enough for one car.
Estimated: this is a listing-date market, which is separate from the earlier IPO announcement. Polymarket[1][2] resolves Yes only once shares are listed and open for trading, so no strike reaches 50%, so the date is the start of the largest step, September 30, 2027 (19%) to December 31, 2027 (38%). Prices read on 27 October 2026 from the exchange's public API; event volume US$12,731 is as reported by Polymarket.
Polymarket
On 27 October 2026 Polymarket put Bloomberg shares listed and open for trading by September 30, 2027 at 19%, on US$12,731 of event volume. No strike reaches even odds yet, so the date marks the biggest jump in the ladder, not a confident call.
Wikipedia's[1] tournament article says it "is due to take place in Australia from 1 October to 13 November 2027", with the venues confirmed by World Rugby.
The 11th Rugby World Cup opens at Perth Stadium and runs to the final at Stadium Australia in Sydney on 13 November. It is the first tournament branded the Men's Rugby World Cup and the first contested by 24 teams, with South Africa defending the title and Hong Kong making their debut.
Official site, read 2026-11-01: 'Oktoberfest in Fredericksburg TX | Oct. 1-3, 2027'; tickets at the gate all weekend. Its 2026 Kraut Run and Park & Ride links refer to the past edition.[1]
A German-heritage street festival with music, beer and food in the center of Fredericksburg, which the organiser lists for 1-3 October 2027.
United States Department of the Treasury, Washington, D.C., United States
United States Department of the Treasury
The federal fiscal year is the 12-month period beginning on 1 October and ending on 30 September of the next calendar year, so fiscal 2028 runs 1 October 2027 to 30 September 2028.[1]
The United States federal fiscal year 2028 starts on 1 October 2027 - the date by which Congress must have funded the government or shut it down.
Homepage opened 2026-10-18 and states the next fair as October 1-11, 2027.[1]
Classic New England agricultural fair with livestock, rides, giant pumpkins and fried-food stands, held in early October.
Wikipedia's[1] tournament article says it "is scheduled to be played in South Africa, Zimbabwe, and Namibia from 4 October to 21 November 2027".
The 14th Cricket World Cup is played across South Africa, Zimbabwe and Namibia, the second time South Africa and Zimbabwe have co-hosted after 2003 and the first time Namibia has hosted. Cricket South Africa confirmed eight grounds including the Wanderers, Kingsmead and Newlands.
Scheduled: the fair’s October12,2026 release explicitly gives “6–10 October 2027”; Chile’s Ministry independently confirms those dates. End is exclusive. The2026 GuestScroll ceremony is preparation, not this pin’s date.[1]
The Frankfurt Book Fair runs October6–10,2027 with Chile as Guest of Honour. Its Earthly Stars programme connects Chilean literature, translation and international publishing rights.
Official site, read 2026-11-01: 'Original Greek Festival[1] | October 7-9, 2027', Thursday-Saturday hours and $10 adult entry. The earlier 1-3 October 2026 edition is past.
Greek food, dancing and pastries at the Annunciation Greek Orthodox Cathedral's festival, which the organiser lists for 7-9 October 2027, its 60th anniversary.
Formula 1's[4] own 2027 schedule gives this round's weekend as "08 - 10 Oct"; the Grand Prix is run on the Sunday, the last day of the weekend.
Formula 1's original night race runs under floodlights around Marina Bay, in humidity that costs drivers several kilos a race.
The official site shows the 2027 race on October 10, 2027 (the page does not name Grant Park; the start and finish area there is common knowledge).[1]
A major city marathon through Chicago neighborhoods, with the race weekend centered on downtown.