September 11, 2027 falls on a Saturday
September 11, 2027 is a Saturday. It is 307 days from today, November 8, 2026. The date is day 254 of 365 in 2027, it sits in ISO week 36, and it is the 11th of a 30-day month with 19 days after it. September 11 is also Patriot Day, a observance.
What day of the week is September 11?
In 2027 it is a Saturday. The weekday is not a property of the date itself, it is a property of the date in a given year, so the honest answer always names the year. A common year is 365 days, which is 52 weeks plus one spare day, so a fixed date moves forward one weekday from one year to the next. A leap year inserts a second spare day, so the step is two whenever 29 February falls inside the gap. That is why September 11 works its way around the week rather than repeating on a tidy schedule.
September 11 in the next few years
| Year | Weekday | Day of year | ISO week | Leap year |
|---|---|---|---|---|
| 2026 | Friday | 254 | 37 | no |
| 2027 | Saturday | 254 | 36 | no |
| 2028 | Monday | 255 | 37 | yes |
| 2029 | Tuesday | 254 | 37 | no |
| 2030 | Wednesday | 254 | 37 | no |
| 2031 | Thursday | 254 | 37 | no |
| 2032 | Saturday | 255 | 37 | yes |
| 2033 | Sunday | 254 | 36 | no |
Between 2026 and 2027 the weekday moves from Friday to Saturday, a step of 1. The day-of-year column also moves: September 11 is day 254 in a common year and day 255 in a leap year, because it sits after 29 February.
How often does September 11 fall at a weekend?
Counting the 28 occurrences from 2027 to 2054, September 11 lands on a Saturday 4 times and on a Sunday 4 times, so 8 of those 28 years put it at a weekend. Over a full 28-year stretch the Gregorian calendar repeats itself, and a fixed date visits each weekday four times, so the long-run answer is two weekend years in every seven.
Where September 11 sits in the calendar
September 11 is the 11th day of September, a month of 30 days in 2027, leaving 19 days of the month after it. Measured from 1 January it is 253 days into the year, and 111 days remain to 31 December, which puts it 69.6% of the way through 2027. In September 2027 the other Saturdays are the 4th, 18th, 25th, because weekdays repeat every seven days inside a month just as they do across one.
What else happens around September 11?
| Date | Occasion | Type | Days from September 11 |
|---|---|---|---|
| September 6 | Labor Day | federal holiday | 5 before |
| September 11 | Patriot Day | observance | same day |
What day was September 11 in a past year?
The table above looks forward. Going back, September 11 fell on a different weekday in each earlier year, and each of those has its own page.
How far away is September 11?
The next September 11 is Saturday, September 11, 2027, 307 days from today. That is 43 whole weeks and 6 days, or 43.9 weeks written as a decimal. To count towards it second by second, use the date calculator.
Questions
- What day of the week is September 11, 2027?
- A Saturday. It is day 254 of 365 and falls in ISO week 36.
- What day of the week is September 11 next year?
- In 2027 it is a Saturday.
- What number day of the year is September 11?
- Day 254 in a common year and day 255 in a leap year. See day 254 for more.
- Which week of the year is September 11 in?
- ISO week 36 in 2027. The week 36 page lists every date in it.
Nearby dates
The 11th of other months
All 366 dates · Week 36 · Day 254 of the year · Event countdowns · When is it? · Date calculator