September 2027 US Calendar with Holidays Printable

In September 2027 there is 1 federal holiday in the United States:Monday, September 6 — Labor Day (federal holiday)

September 2027 Calendar

September 2027 has 30 days and begins on a Wednesday. The month contains 8 weekend days and 21 working days. Labor Day falls on the first Monday of September, creating a 3-day weekend that marks the unofficial end of summer. September also opens Hispanic Heritage Month (September 15) and hosts the autumn equinox (September 22).

Download your free printable September 2027 calendar with holidays below — PDF, US Letter, portrait and landscape, no sign-up required.

Download Free September 2027 Calendar — PDF

The September 2027 calendar is available as a free PDF download in multiple formats:

• Monthly September 2027 calendar with holidays — Labor Day highlighted in green, US Letter
• Blank September 2027 calendar — no pre-filled dates, fully editable for personal planning
• Mini / pocket September 2027 calendar — compact half-page format, print two per sheet

📥 [Download September 2027 Calendar PDF — Free]
US Letter · Portrait & Landscape · Instant download · No sign-up required

Moon Phases for September 2027

Day	Date	Moon phase
7	September 7, 2027	First Quarter
15	September 15, 2027	Full Moon
23	September 23, 2027	Last Quarter
30	September 30, 2027	New Moon

September 2027 Calendar with Holidays — Official US Dates

September 2027 has one federal holiday: Labor Day on Monday, September 6. It falls on its natural weekday — no observed-date shift applies. Labor Day is always observed on the first Monday of September, as established by the Uniform Monday Holiday Act (5 U.S.C. § 6103).

Date	Day	Holiday / Event	Type
September 6, 2027	Monday	Labor Day	Federal holiday

Labor Day — Monday, September 6, 2027

Labor Day is a federal holiday honoring the American labor movement and the contributions of workers to the development and prosperity of the United States. According to the U.S. Department of Labor (DOL), the holiday originated in the late 19th century during the height of the Industrial Revolution, when the average American worked 12-hour days, seven days a week.

Labor Day became a federal holiday in 1894 under President Grover Cleveland, just six days after the end of the Pullman Strike. It is observed on the first Monday of September — September 6 in 2027.

What closes on Labor Day (Monday, September 6, 2027):

• All federal government offices and agencies
• U.S. post offices and USPS mail delivery
• Most banks and credit unions
• Federal courts
• NYSE and NASDAQ stock exchanges

What typically remains open:

• Most retail stores and restaurants (many run Labor Day sales)
• Public transportation (reduced schedules common)
• Gas stations and grocery stores
• Most private-sector businesses vary by employer

Labor Day weekend (Saturday September 4 through Monday September 6) is the unofficial end of summer in the United States. It is one of the busiest travel and retail weekends of the year, with the National Retail Federation (NRF) consistently ranking it among the top shopping weekends for back-to-school and home improvement purchases.

Important Dates in September 2027

September 2027 transitions the United States from summer to fall, with a rich calendar of cultural observances, awareness months, and seasonal milestones. Below is the complete list of notable dates in the September 2027 US calendar.

Date	Day	Event / Observance
September 1	Wednesday	Self-Improvement Month begins
September 4	Saturday	Labor Day weekend begins
September 5	Sunday	Labor Day weekend
September 6	Monday	Labor Day — federal holiday
September 7	Tuesday	First working day after Labor Day weekend
September 8	Wednesday	International Literacy Day (UNESCO)
September 10	Friday	World Suicide Prevention Day (IASP)
September 11	Saturday	Patriot Day — 9/11 Anniversary (26th)
September 13	Monday	National Celiac Disease Awareness Day
September 15	Wednesday	Hispanic Heritage Month begins (Library of Congress)
September 16	Thursday	Mexican Independence Day (celebrated in Mexican-American communities)
September 17	Friday	Constitution Day and Citizenship Day (National Archives)
September 18	Saturday	U.S. Air Force Birthday (founded 1947)
September 21	Tuesday	International Day of Peace (UN)
September 22	Wednesday	Autumn Equinox — first day of fall (astronomical)
September 22	Wednesday	World Rhino Day
September 26	Sunday	European Day of Languages (Council of Europe)
September 28	Tuesday	World Rabies Day (CDC)
September 29	Wednesday	World Heart Day (WHF)
September 30	Thursday	National Day for Truth and Reconciliation (honored by some US communities)

National Awareness Month — September 2027:

• Hispanic Heritage Month (Sep 15 – Oct 15) (Library of Congress)
• National Suicide Prevention Month (AFSP)
• National Recovery Month (SAMHSA)
• National Childhood Obesity Awareness Month (CDC)

Hispanic Heritage Month — September 15 to October 15, 2027

Hispanic Heritage Month runs from September 15 to October 15 — a 31-day period that straddles two calendar months. It was established as a national observance by Congress and signed into law by President Ronald Reagan in 1988. According to the Library of Congress, the month honors the histories, cultures, and contributions of Americans whose ancestry traces to Spain, Mexico, Central America, South America, and the Caribbean. The September 15 start date coincides with independence anniversaries for several Latin American nations.

Patriot Day — Saturday, September 11, 2027

September 11, 2027 marks the 26th anniversary of the September 11, 2001 terrorist attacks. Designated as Patriot Day under 36 U.S.C. § 144, flags are flown at half-staff and a moment of silence is observed. It is not a federal holiday — offices and businesses remain open. The National September 11 Memorial & Museum in New York City holds annual commemorations.

Autumn Equinox — Wednesday, September 22, 2027

The autumn equinox marks the astronomical first day of fall in the Northern Hemisphere. In 2027 it falls on Wednesday, September 22. Day and night are approximately equal in length. According to timeanddate.com, the exact moment of the equinox in 2027 occurs at approximately 9:01 AM EDT.

Working Calendar — September 2027

September 2027 has 21 working days, accounting for weekends and the Labor Day federal holiday on September 6.

Category	Count
Total days	30
Weekend days (Sat/Sun)	8
Federal holidays (weekdays)	1
Working days	21

Week-by-week breakdown — September 2027

Week	Dates	Working days	Notes
Week 1	Sep 1–5	4	Wed–Sun: 4 working days (Wed Sep 1 – Fri Sep 3); Sep 4–5 weekend
Week 2	Sep 6–12	4	Labor Day (Mon Sep 6) — 4 working days; Patriot Day Sat Sep 11
Week 3	Sep 13–19	5	Full working week — Hispanic Heritage Month begins Wed Sep 15
Week 4	Sep 20–26	5	Full working week — Autumn Equinox Wed Sep 22
Week 5	Sep 27–30	4	Short week — 4 working days, month ends Thu Sep 30

Long weekend in September 2027

September 2027 offers one federal long weekend:

• Labor Day weekend — Saturday September 4 through Monday September 6: 3-day weekend. This is the unofficial end-of-summer holiday, one of the busiest travel weekends of the year. Many families use it for a final summer vacation, and retailers run major Labor Day sales events.

Download September 2027 Calendar — All Formats

Calendarena offers the September 2027 calendar as a free download in the following formats:

• PDF — US Letter (8.5 × 11 in) — portrait, landscape, and two-per-page mini versions
• High-resolution image (PNG) — suitable for digital use, phone wallpaper, and screen calendars
• Blank / editable version — no holidays pre-filled, with notes space in each day cell

All downloads are free for personal, educational, and non-commercial use. No account or email required.

📥 [Download September 2027 Calendar — Free PDF & Image]

For the full year in one file, visit the 2027 calendar with holidays page.

Frequently Asked Questions — September 2027 Calendar

How many federal holidays are in September 2027?

September 2027 has 1 federal holiday: Labor Day on Monday, September 6. It is always observed on the first Monday of September. Federal offices, post offices, banks, NYSE, and NASDAQ are closed. For the full 2027 US federal holiday list, see the U.S. Office of Personnel Management (OPM).

What day does September 2027 start?

September 2027 starts on a Wednesday — September 1 is a Wednesday. The month ends on Thursday, September 30. September 2027 has 30 days and 21 working days.

When is Labor Day 2027?

Labor Day 2027 falls on Monday, September 6 — the first Monday of September. Federal offices, post offices, banks, and the NYSE/NASDAQ are closed. Labor Day weekend runs from Saturday September 4 through Monday September 6, marking the unofficial end of summer.

When does Hispanic Heritage Month start in 2027?

Hispanic Heritage Month 2027 begins on Wednesday, September 15 and runs through Saturday, October 15. It is a 31-day national observance honoring the histories and contributions of Hispanic and Latino Americans, established by Congress in 1988.

When is the first day of fall in 2027?

The first day of fall (autumn equinox) in 2027 falls on Wednesday, September 22. This is the astronomical start of autumn in the Northern Hemisphere, when day and night are approximately equal in length.

Is there a free printable September 2027 calendar with holidays?

Yes. Calendarena offers a free printable September 2027 calendar with US holidays in PDF format. Labor Day (September 6) is highlighted in green. Available in US Letter size, portrait and landscape. Download directly from this page — no sign-up required.

The September 2027 calendar covers 30 days with 1 federal holiday — Labor Day on Monday, September 6 — and 21 working days. Labor Day weekend (September 4–6) marks the unofficial end of summer 2027, the last federal long weekend until Columbus Day on October 11. Key dates beyond the federal holiday: Hispanic Heritage Month begins September 15, Patriot Day on September 11, and the autumn equinox on September 22.

Download the free printable September 2027 calendar PDF from this page, or browse adjacent months for your 2027 planning:

• August 2027 calendar — previous month
• October 2027 calendar — next month
• 2027 calendar with holidays — full year overview
• Federal holidays 2027 — complete US holiday list