September 2028 Calendar

Print a September 2028 calendar for the start of the school year and of autumn. September 2028 starts on a Friday and ends on a Saturday, so its 30 days fit in 5 week rows. Labor Day, the month’s only US federal holiday, is Monday 4 September, making Saturday 2 to Monday 4 September a long weekend. Rosh Hashanah begins at sundown on Wednesday 20 September and Yom Kippur at sundown on Friday 29 September; the September equinox, the start of autumn in the Northern Hemisphere, is Friday 22 September at 11:45 UTC (7:45 am in US Eastern time). There is no UK bank holiday in September 2028. Choose Classic, Bold, our own apple-orchard artwork, or a planner with goals, a to-do list and notes; add moon phases, week numbers and your own events; download a PDF in US Letter, A4 or A3, a PNG or SVG, or a phone or desktop wallpaper.

100% private — everything runs in your browser. Your events and settings stay in this browser; the PDF and images are made on your device.

100% private — runs in your browser

Month and design

Your events

One per line: 2028-09-12 Dentist 3pm, Sep 20 Book club, 2028-09-08 to 2028-09-10 Trip. End a line with a colour like #16a34a. Your list stays in this browser.

Page and style

Planner headings

Download

Everything runs in your browser: nothing you type is uploaded, and your settings autosave only in this browser. Holidays: US federal days are calculated with their observed weekdays and named as on the US Office of Personnel Management schedules; US daylight saving time follows 15 U.S.C. §260a; UK bank holidays are the GOV.UK list for 2026–2028; Jewish holiday dates are from Hebcal. Moon phases are calculated in your browser and match the US Naval Observatory table within a minute for 2026–2028; solstice and equinox times are the US Naval Observatory’s for 2026–2028. PDF export uses jsPDF and svg2pdf.js (MIT licence); print at 100% (actual size).

How to print a September 2028 calendar

  1. The calendar opens on September 2028 with US holidays, observances and moon phases.
  2. Pick a design: Classic, Bold, Seasonal art (an apple orchard at harvest with a basket of apples) or Planner with notes.
  3. Set the week start and week numbers; choose the time zone for the moon phase dates, or switch Holidays to a UK option.
  4. Type your own dates in “Your events”, e.g. “2028-09-02 to 2028-09-04 Labor Day trip”.
  5. Choose US Letter, A4 or A3 and portrait or landscape, then download the PDF and print at 100% (Actual size).

What you can use it for

  • A September page for the fridge, desk or classroom
  • School start, sports and club dates
  • Labor Day weekend plans
  • A phone or desktop wallpaper for September
  • An A3 wall planner

September 2028 at a glance

September 2028
Starts onFriday
Ends onSaturday
Days30
Weekdays (Mon–Fri)21
Working days after Labor Day20
Weekend days9
ISO week numbers35, 36, 37, 38, 39
Week rows (Sunday / Monday start)5 / 5

Weekdays are Monday to Friday. Working days subtract Labor Day (Monday 4 September), the only federal holiday in September 2028.

Holidays and observances in September 2028

DateDayHolidayType
Sep 4MondayLabor DayFederal holiday
Sep 20WednesdayRosh Hashanah begins at sundownObservance
Sep 22FridayAutumn equinoxObservance
Sep 29FridayYom Kippur begins at sundownObservance

UK sets: there is no bank holiday in September 2028. With Observances ticked they show Rosh Hashanah, Yom Kippur and the equinox.

Sources: the US Office of Personnel Management 2028 federal holiday schedule (holiday names as OPM gives them), Hebcal for Rosh Hashanah and Yom Kippur, GOV.UK for the bank holidays and the US Naval Observatory for the equinox and moon phases.

Labor Day weekend 2028

Date
Saturday2 September
Sunday3 September (full moon)
Labor Day (federal holiday)Monday 4 September

Labor Day is always the first Monday in September, so the long weekend in 2028 runs Saturday 2 to Monday 4 September.

Autumn equinox 2028

Time zoneSeptember equinox
UTCFriday 22 September, 11:45
US Eastern (EDT)Friday 22 September, 07:45
US Pacific (PDT)Friday 22 September, 04:45

The equinox is marked on the 22nd in every US and UK time zone. Pick a zone under “Moon phase dates for” and the calendar puts the equinox and the moon phases on the right date for it.

Moon phases in September 2028

UTCUS EasternUS Pacific
Full moonSep 3, 23:47Sep 3, 19:47Sep 3, 16:47
Last quarterSep 12, 00:46Sep 11, 20:46Sep 11, 17:46
New moonSep 18, 18:24Sep 18, 14:24Sep 18, 11:24
First quarterSep 25, 13:10Sep 25, 09:10Sep 25, 06:10

Moon phase times are the US Naval Observatory’s, converted to each time zone. The tool calculates the phases in your browser (within a minute of the USNO table) and puts each one on the date it falls in the time zone you choose under “Moon phase dates for”.

Designs

DesignWhat it looks like
ClassicGrey grid, coloured weekday bar, weekends shaded: the most ink-friendly
BoldA coloured title band with the mini months in white and larger day numbers
Seasonal artOur own drawing across the top: an apple orchard at harvest with a basket of apples and the first leaves turning
Planner with notesThe grid plus Goals, a To do checklist and Notes: beside the grid in landscape, under it in portrait

The designs are our own drawings: you may use them and anything you make with them, including things you sell, with no credit needed.

Paper and screen sizes

SizeDimensionsFormats
US Letter215.9 × 279.4 mmPortrait or landscape, PDF / PNG / SVG
A4210 × 297 mmPortrait or landscape, PDF / PNG / SVG
A3297 × 420 mmPortrait or landscape, PDF / PNG / SVG
Phone wallpaper1080 × 2340 pxPNG
Desktop wallpaper1920 × 1080 pxPNG

PDF pages are made at these exact sizes. Print at 100% or “Actual size”, not “Fit to page”.

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Frequently asked questions

What day does September 2028 start on?

September 2028 starts on a Friday and ends on a Saturday. It has 30 days: 21 weekdays and 9 weekend days, in 5 week rows whether the week starts on Sunday or Monday.

When is Labor Day 2028?

Monday 4 September 2028. Labor Day is a US federal holiday on the first Monday in September, per the US Office of Personnel Management, so Saturday 2 to Monday 4 September is a three-day weekend for many.

When is Rosh Hashanah 2028?

Rosh Hashanah 2028 begins at sundown on Wednesday 20 September; the first day is Thursday 21 September and the second Friday 22 September, per Hebcal.

When is Yom Kippur 2028?

Yom Kippur 2028 begins at sundown on Friday 29 September, and the day itself is Saturday 30 September, per Hebcal.

When is the fall equinox 2028?

Friday 22 September 2028 at 11:45 UTC, per the US Naval Observatory: 7:45 am in US Eastern time and 4:45 am in US Pacific. It is the first day of autumn in the Northern Hemisphere.

How many working days are in September 2028?

21 weekdays, or 20 working days after Labor Day. The UK has no bank holiday in September, so all 21 weekdays count there.

When is the full moon in September 2028?

3 September 2028 at 23:47 UTC, per the US Naval Observatory: 19:47 in US Eastern time and 16:47 in US Pacific, so it is on the 3rd in all three. The last quarter moon is 12 September at 00:46 UTC but still 11 September in US zones.

Is my information uploaded?

No. Your events and settings stay in this browser, and the PDF and images are made on your device.