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September 2031 Calendar

September 2031 calendar2031SeptemberNew moon 17 SepFull moon 2 SepMONTUEWEDTHUFRISATSUN1234567Father's Day89101112131415161718192021222324252627282930NOTESShaded dates are public holidaysmyprintcalendar.com
September 2031 monthly calendar preview

September 2031 calendar templates

4 styles in 4 colors (sage, mist blue, apricot and ink). Click a template to preview it above, pick a color, then download a free PDF or PNG.

All 2031 templates →
Preview

Classic monthly

One month per page with holidays, moon phases and notes.

Portrait
Preview

Monthly planner

Side column for goals, to-dos and notes.

Landscape
Preview

Bold monthly

Color band header, big readable dates.

Portrait
Preview

Minimal monthly

No grid lines, just dates.

Landscape

More ways to print the September 2031 calendar

Each link opens the calendar above with these settings. You can still change everything.

September 2031 calendar, Sunday startWeeks run Sunday to Saturday.Blank September 2031 calendarJust the dates: no holidays, observances or moon phases.September 2031 calendar, landscapeA wide grid with bigger day boxes.September 2031 monthly plannerA calendar with a goals, to-do and notes column.

Holidays & observances in September 2031

  • Sun 7 SepFather's DayObservance

Moon phases

  • Full moon Tue 2 Sep
  • Last quarter Tue 9 Sep
  • New moon Wed 17 Sep
  • First quarter Wed 24 Sep

About September 2031

  • Days30
  • Starts onMonday
  • Ends onTuesday
  • ISO weeks36–40
  • Weekdays (Mon–Fri)22
  • Working days22

This printable September 2031 calendar has room for your own plans, shows moon phases and includes a notes area. Use the options to start the week on Monday or Sunday, add ISO week numbers, or switch to the planner template with a to-do column.

← August 20312031 calendar2031 Australian Public HolidaysTemplatesOctober 2031 →

Calendar guides

Learn more about holidays, week numbers, moon phases and printing.

All guides →
Calendar basics

Moon phases: how they work and when the full moons are

Why the Moon has phases, how long a lunar cycle lasts, traditional full moon names, and a list of full moon dates for the coming year.

Read guide · 2 min → Holidays

Australian public holidays explained

The national public holidays in Australia, substitute days when a holiday falls on a weekend, and the main differences between states and territories — with a table for the coming year.

Read guide · 2 min → Ideas

12 practical ways to use a printable calendar

Ideas for getting more from a printable calendar: family planning, meal plans, habit tracking, chores, budgets, school terms, travel countdowns and more.

Read guide · 2 min →