September 2027 calendar
Holidays, religious days, the sky, sports, elections and more, with sources.
September 2027
95 events
| Date | Event | When | |||
|---|---|---|---|---|---|
| Aug 26Thu | Minnesota State Fair 2027Culture · Minnesota · to Sep 6 · State Fairgrounds, Falcon Heights | State Fairgrounds, Falcon Heights | annual | Minnesota State FairComputed (rule) | in 11 mo |
| Sep 1Wed | Bear season opens (MN)Outdoors · Hunting · to Oct 17 · Permit areas & no-quota area | Permit areas & no-quota area | annual | Minnesota DNR | in 11 mo |
| 125th anniversary: The first science fiction film, titled A Trip to the Moon and based on From the...History · Anniversaries | – | annual | Wikipedia | in 11 mo | |
| 75th anniversary: Ernest Hemingway's novel The Old Man and the SeaHistory · Anniversaries | – | annual | Wikipedia | in 11 mo | |
| Francis William Aston, born 1877 (150 years)People · Birth anniversaries | – | annual | Wikipedia | in 11 mo | |
| Broadcom earnings (Q3 FY2027)TentativeEconomy · Earnings | Broadcom (AVGO) | quarterly | Quarterly | in 11 mo | |
| Snowflake earnings (Q2 FY2028)TentativeEconomy · Earnings | Snowflake (SNOW) | quarterly | Quarterly | in 11 mo | |
| Sep 2Thu | Frederick Soddy, born 1877 (150 years)People · Birth anniversaries | – | annual | Wikipedia | in 11 mo |
| Sep 3Fri | Mario Draghi, born 1947 (80 years)People · Birth anniversaries | – | annual | Wikipedia | in 11 mo |
| Sep 4Sat | Ganesh ChaturthiTentativeReligion · Hinduism · to Sep 14 | – | annual | WikipediaComputed (rule) | in 11 mo |
| 50th anniversary: The Golden Dragon massacre occurred in Chinatown, San Francisco, United States,...History · Anniversaries | – | annual | Wikipedia | in 11 mo | |
| Sep 5Sun | 50th anniversary: NASA launched the space probe Voyager 1, currently the farthest spacecraft from...History · Anniversaries | – | annual | Wikipedia | in 11 mo |
| 50th anniversary: NASA launched the space probe Voyager 1, currently the farthest spacecraft from...History · Anniversaries | – | annual | Wikipedia | in 11 mo | |
| International Day of CharityObservances · UN international days | – | annual | United Nations | in 11 mo | |
| International Day of the World’s Indigenous Women and GirlsObservances · UN international days | – | annual | United Nations | in 11 mo | |
| Sep 6Mon | Labor DayHolidays · United States · United States | United States | annual | Nager.Date | in 11 mo |
| Labor Day (Canada)Holidays · Canada · Canada | Canada | annual | Nager.Date | in 11 mo | |
| 75th anniversary: A prototype aircraft crashed at the Farnborough Airshow in Hampshire, EnglandHistory · Anniversaries | – | annual | Wikipedia | in 11 mo | |
| Sep 7Tue | 375th anniversary: Chinese peasants on Formosa (now Taiwan) began a rebellion against Dutch rule...History · Anniversaries | – | annual | Wikipedia | in 11 mo |
| Independence Day (Brazil)Holidays · Brazil · Brazil | Brazil | annual | Nager.Date | in 11 mo | |
| First quarter moonSky · Moon phases · 1:31 pm CT | – | monthly | NASAComputed (rule) | in 11 mo | |
| International Day of Clean Air for Blue SkiesObservances · UN international days | – | annual | United Nations | in 11 mo | |
| International Day of Police CooperationObservances · UN international days | – | annual | United Nations | in 11 mo | |
| World Duchenne Awareness DayObservances · UN international days | – | annual | United Nations | in 11 mo | |
| Sep 8Wed | International Literacy DayObservances · UN international days | – | annual | United Nations | in 11 mo |
| Sep 9Thu | Akshay Kumar, born 1967 (60 years)People · Birth anniversaries | – | annual | Wikipedia | in 11 mo |
| International Day to Protect Education from AttackObservances · UN international days | – | annual | United Nations | in 11 mo | |
| Adobe earnings (Q3 FY2027)TentativeEconomy · Earnings | Adobe (ADBE) | quarterly | Quarterly | in 11 mo | |
| Oracle earnings (Q1 FY2028)TentativeEconomy · Earnings | Oracle (ORCL) | quarterly | Quarterly | in 11 mo | |
| Sep 11Sat | 2027 World Athletics ChampionshipsSports · Marathons and athletics · to Sep 19 · Beijing | Beijing | every few years | Wikipedia | in 12 mo |
| Sung Jae-gi, born 1967 (60 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| Sep 12Sun | 50th anniversary: South African anti-apartheid activist Steve Biko died after being beaten in...History · Anniversaries | – | annual | Wikipedia | in 12 mo |
| 75th anniversary: Three boys in Flatwoods, West Virginia, U.S., reported seeing a ten-foot-tall...History · Anniversaries | – | annual | Wikipedia | in 12 mo | |
| Hans Zimmer, born 1957 (70 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| National Grandparents DayObservances · Days | – | annual | US CodeComputed (rule) | in 12 mo | |
| United Nations Day for South-South CooperationObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 13Mon | dbt Summit 2027Data and AI · Conferences · to Sep 16 · Las Vegas, NV | Las Vegas, NV; dbt Labs | annual | dbt Labs | in 12 mo |
| Sep 14Tue | FOMC meetingTentativeEconomy · Federal Reserve · 1:00 pm ET · to Sep 15 · Federal Reserve, Washington | Federal Reserve, Washington | eight times a year | Federal Reserve | in 12 mo |
| 275th anniversary: Under the terms of the Calendar (New Style) Act 1750, the British Empire...History · Anniversaries | – | annual | Wikipedia | in 12 mo | |
| Chuseok (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | in 12 mo | |
| Sep 15Wed | Full moon: Harvest MoonSky · Moon phases · 6:04 pm CT | – | monthly | NASAComputed (rule) | in 12 mo |
| Mid-Autumn FestivalCulture · Lunar calendar festivals | – | annual | Hong Kong ObservatoryComputed (rule) | in 12 mo | |
| National Hispanic Heritage MonthObservances · Heritage months · to Oct 15 | – | annual | Library of Congress and partnersComputed (rule) | in 12 mo | |
| Chuseok (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | in 12 mo | |
| Mid-Autumn Festival (China)Holidays · China · China | China | annual | Nager.Date | in 12 mo | |
| Chimamanda Ngozi Adichie, born 1977 (50 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| Tom Hardy, born 1977 (50 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| International Day of DemocracyObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 16Thu | Chuseok (South Korea)Holidays · South Korea · South Korea | South Korea | annual | Nager.Date | in 12 mo |
| Independence Day (Mexico)Holidays · Mexico · Mexico | Mexico | annual | Nager.Date | in 12 mo | |
| International Day for Interventional CardiologyObservances · UN international days | – | annual | United Nations | in 12 mo | |
| International Day for the Preservation of the Ozone LayerObservances · UN international days | – | annual | United Nations | in 12 mo | |
| International Day of Science, Technology and Innovation for the SouthObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 17Fri | 2027 Ryder CupSports · Golf · to Sep 19 · Adare Manor, Ireland | Adare Manor, Ireland | every few years | Wikipedia | in 12 mo |
| World Patient Safety DayObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 18Sat | Deer Archery season opens (MN)Outdoors · Hunting · to Dec 31 · Statewide | Statewide | annual | Minnesota DNR | in 12 mo |
| Rabbit, Cottontail & Snowshoe Hare season opens (MN)Outdoors · Hunting · to Feb 29 · Statewide | Statewide | annual | Minnesota DNR | in 12 mo | |
| Rabbit, Jack season opens (MN)Outdoors · Hunting · to Feb 29 · Statewide | Statewide | annual | Minnesota DNR | in 12 mo | |
| Squirrel, Gray & Fox season opens (MN)Outdoors · Hunting · to Feb 29 · Statewide | Statewide | annual | Minnesota DNR | in 12 mo | |
| International Equal Pay DayObservances · UN international days | – | annual | United Nations | in 12 mo | |
| SAT test date (anticipated)Academic · Exams · US test centers | US test centers | annual | College Board | in 12 mo | |
| Sep 20Mon | 50th anniversary: A series of celestial phenomena of disputed nature was observed in the western...History · Anniversaries | – | annual | Wikipedia | in 12 mo |
| Open Source Summit Europe 2027Data and AI · Conferences · to Sep 22 · Glasgow, Scotland, United Kingdom | Glasgow, Scotland, United Kingdom; Linux Foundation | annual | Linux Foundation | in 12 mo | |
| Respect for the Aged Day (Japan)Holidays · Japan · Japan | Japan | annual | Nager.Date | in 12 mo | |
| World Cleanup DayObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 21Tue | International Day of PeaceObservances · UN international days | – | annual | United Nations | in 12 mo |
| Dreamforce 2027Data and AI · Conferences · to Sep 23 · San Francisco, CA | San Francisco, CA; Salesforce | annual | Salesforce | in 12 mo | |
| Kevin Rudd, born 1957 (70 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| Stephen King, born 1947 (80 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| Sep 23Thu | September equinoxSky · Solstices and equinoxes · 1:01 am CT | – | annual | US Naval ObservatoryComputed (rule) | in 12 mo |
| MabonReligion · Pagan and Wiccan | – | annual | Wheel of the YearComputed (rule) | in 12 mo | |
| Autumnal Equinox Day (Japan)Holidays · Japan · Japan | Japan | annual | Nager.Date | in 12 mo | |
| Last quarter moonSky · Moon phases · 5:21 am CT | – | monthly | NASAComputed (rule) | in 12 mo | |
| 25th anniversary: The first version of the web browser Firefox was released by the Mozilla...History · Anniversaries | – | annual | Wikipedia | in 12 mo | |
| 75th anniversary: U.S. vice-presidential candidate Richard Nixon delivered the Checkers speech,...History · Anniversaries | – | annual | Wikipedia | in 12 mo | |
| International Day of Sign LanguagesObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 24Fri | Heritage Day (South Africa)Holidays · South Africa · South Africa | South Africa | annual | Nager.Date | in 12 mo |
| Mercury at greatest eastern elongationSky · Planets | – | recurring | Astronomy EngineComputed (rule) | in 12 mo | |
| 150th anniversary: At the Battle of Shiroyama (depicted), the final engagement of the Satsuma...History · Anniversaries | – | annual | Wikipedia | in 12 mo | |
| World Maritime DayObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 25Sat | 50th anniversary: About 4,200 people took part in the first modern Chicago MarathonHistory · Anniversaries | – | annual | Wikipedia | in 12 mo |
| National Hunting and Fishing DayOutdoors · Parks and public lands | – | annual | National Hunting and Fishing DayComputed (rule) | in 12 mo | |
| National Public Lands DayOutdoors · Parks and public lands | – | annual | National Park ServiceComputed (rule) | in 12 mo | |
| Sep 26Sun | International Day for the Total Elimination of Nuclear WeaponsObservances · UN international days | – | annual | United Nations | in 12 mo |
| Sep 27Mon | World Tourism DayObservances · UN international days | – | annual | United Nations | in 12 mo |
| Sep 28Tue | 2075th anniversary: Pompey was killed by Lucius Septimius at Pelusium in EgyptHistory · Anniversaries | – | annual | Wikipedia | in 12 mo |
| Neptune at oppositionSky · Planets | – | about yearly | Astronomy EngineComputed (rule) | in 12 mo | |
| Henri Moissan, born 1852 (175 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| Sheikh Hasina, born 1947 (80 years)People · Birth anniversaries | – | annual | Wikipedia | in 12 mo | |
| International Day for Universal Access to InformationObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 29Wed | New moonSky · Moon phases · 9:36 pm CT | – | monthly | NASAComputed (rule) | in 12 mo |
| International Day of Awareness of Food Loss and WasteObservances · UN international days | – | annual | United Nations | in 12 mo | |
| Sep 30Thu | Sharad NavaratriTentativeReligion · Hinduism · to Oct 8 | – | annual | WikipediaComputed (rule) | in 12 mo |
| National Day for Truth and Reconciliation (Canada)Holidays · Canada · Canada | Canada | annual | Nager.Date | in 12 mo | |
| International Translation DayObservances · UN international days | – | annual | United Nations | in 12 mo |
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.