# September 2026 has 30 days, starts on a Tuesday and has 21 US work days.

Last updated November 1, 2026FreeNo signupPrints on one page

Labor Day is on Monday, September 7.

Print September 2026

Weeks start on MondayWeek numbers

September 2026

US federal holidays are shaded on the day each is observed. Weeks start on Sunday.

teampredict.ai/calendar/2026/september

September 2026

September 2026, one row for each week

SSun

MMon

TTue

WWed

TThu

FFri

SSat

1

2

3

4

5

6

7Labor Day, Labor Day

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

-   Federal holiday, on the day it is observed
-   Holiday date on a weekend
-   Other well-known date

## September 2026 has 22 weekdays and 1 federal day off, which leaves 21 US work days.

September 2026 in numbers

Days

30

Starts on

Tuesday, September 1

Ends on

Wednesday, September 30

Weekdays

22

Weekend days

8

Federal days off

1

US work days

21

Days of the year

244 to 273

How many of each weekday September 2026 has

Sun

Mon

Tue

Wed

Thu

Fri

Sat

4

4

5

5

4

4

4

The weekdays in blue come five times in September; the others come four times.

## September 2026 touches these ISO weeks.

ISO weeks of September 2026

ISO week

Monday to Sunday

Week 36

August 31 to September 6

Week 37

September 7 to September 13

Week 38

September 14 to September 20

Week 39

September 21 to September 27

Week 40

September 28 to October 4

## The rest of 2026 is one click away.

-   [August 2026](https://www.teampredict.ai/calendar/2026/august)
-   [October 2026](https://www.teampredict.ai/calendar/2026/october)

-   [2026 calendar](https://www.teampredict.ai/calendar/2026)
-   [Federal holidays 2026](https://www.teampredict.ai/holidays/2026)
-   [2026 payroll calendar](https://www.teampredict.ai/payroll-calendar/2026)

See every federal holiday of 2026 on the [federal holidays 2026](https://www.teampredict.ai/holidays/2026) page, or the pay dates that fall in September on the [2026 payroll calendar](https://www.teampredict.ai/payroll-calendar/2026).

## Here are answers to the questions people ask about September 2026.

What day does September 2026 start on?

September 2026 starts on Tuesday, September 1 and ends on Wednesday, September 30.

How many weekdays and weekends are in September 2026?

September 2026 has 30 days: 22 weekdays and 8 weekend days. Tuesday and Wednesday come five times.

Are there federal holidays in September 2026?

Yes: Labor Day (Monday, September 7). That leaves 21 US work days of the 22 weekdays.

What are the week numbers of September 2026?

September 2026 runs through ISO weeks 36 to 40. The ISO week starts on Monday, and the week that holds January 1 is the one with the year's first Thursday. Turn on Week numbers in the calendar to see them against each row.

Which days of the year are September 2026?

September 2026 is day 244 to day 273 of the year, which are Julian dates 244 to 273.

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