How many days in September

Home » Months of the Year – List of Months in Order » How many days in September

There are

30 days

in September

  • September starting date (mm/dd) is 09/01 – September 1
  • September end date (mm/dd) is 09/30 – September 30
  • (mm = month, dd = day)

There are 30 days in September.

September is 4 weeks and 2 days long.

When is the first day of September and how many months, weeks and days until September?

POST: September Countdown – How Many Days Until September 1?

How many days in each month

January | February | March | April | May | June | July | August | September | October | November | December 

Interesting things about September

Here are some interesting facts about September:

Where does the name September come from? 

September (in Latin September, or Mensis September) was originally the seventh month of the 10-month calendar, and it originated from the word septem, which means seven.

Did you know: September wasn’t always the ninth month of the year

The year‘s first month in the Roman Calendar was March, and the second was April.

Julius Caesar changed the calendar and added January and February, making the beginning of the year January.

The modern-day calendar is called the Gregorian calendar and is based on the Julian calendar.

POST – How many days until Labor Day: Labor Day Countdown – How Many Days Until Labor Day?

Which months have the same number of days as September

April, June, and November have the same number of days (30 days) as September.

How many days in a month?

Each month has 30 and 31 days, except for February, which has 28 or 29 days (29 during leap years).

The common calendar year is 365 days

The leap year is 366 days.

Months with 28 (or 29) days

February is the only month that has 28 days (common year). During the leap year (every four years), February has 29 days.

Related post: Leap Year List – When Is the Next Leap Year?

Months with 30 days

Months that have 30 days are April, June, September, and November.

Months with 31 days

All the rest seven months have 31 days each month.

Months that have 31 days are January, March, May, July, August, October, and December.

Get up-to-date information:

September calendar printables

Check the dates in September and print out your favorite free calendar: September Calendar – 20 Cute & FREE Printables

September Phone wallpapers

Find your favorite September phone wallpaper: September Calendar Wallpaper – 38 Cute iPhone Backgrounds

September Desktop backgrounds

Grab your favorite September desktop background: September Desktop Wallpaper – 21 Cute & Free September Calendar Backgrounds