# September 2028 has 30 days, starts on a Friday and has 20 US work days.

Last updated November 1, 2026FreeNo signupPrints on one page

Labor Day is on Monday, September 4.

Print September 2028

Weeks start on MondayWeek numbers

September 2028

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

teampredict.ai/calendar/2028/september

September 2028

September 2028, one row for each week

SSun

MMon

TTue

WWed

TThu

FFri

SSat

1

2

3

4Labor Day, Labor Day

5

6

7

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 2028 has 21 weekdays and 1 federal day off, which leaves 20 US work days.

September 2028 in numbers

Days

30

Starts on

Friday, September 1

Ends on

Saturday, September 30

Weekdays

21

Weekend days

9

Federal days off

1

US work days

20

Days of the year

245 to 274

How many of each weekday September 2028 has

Sun

Mon

Tue

Wed

Thu

Fri

Sat

4

4

4

4

4

5

5

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

## September 2028 touches these ISO weeks.

ISO weeks of September 2028

ISO week

Monday to Sunday

Week 35

August 28 to September 3

Week 36

September 4 to September 10

Week 37

September 11 to September 17

Week 38

September 18 to September 24

Week 39

September 25 to October 1

## The rest of 2028 is one click away.

-   [August 2028](https://www.teampredict.ai/calendar/2028/august)
-   [October 2028](https://www.teampredict.ai/calendar/2028/october)

-   [2028 calendar](https://www.teampredict.ai/calendar/2028)
-   [Federal holidays 2028](https://www.teampredict.ai/holidays/2028)
-   [2028 payroll calendar](https://www.teampredict.ai/payroll-calendar/2028)

See every federal holiday of 2028 on the [federal holidays 2028](https://www.teampredict.ai/holidays/2028) page, or the pay dates that fall in September on the [2028 payroll calendar](https://www.teampredict.ai/payroll-calendar/2028).

## Here are answers to the questions people ask about September 2028.

What day does September 2028 start on?

September 2028 starts on Friday, September 1 and ends on Saturday, September 30.

How many weekdays and weekends are in September 2028?

September 2028 has 30 days: 21 weekdays and 9 weekend days. Friday and Saturday come five times.

Are there federal holidays in September 2028?

Yes: Labor Day (Monday, September 4). That leaves 20 US work days of the 21 weekdays.

What are the week numbers of September 2028?

September 2028 runs through ISO weeks 35 to 39. 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 2028?

September 2028 is day 245 to day 274 of the year, which are Julian dates 245 to 274.

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