September 29, 2026 falls on a Tuesday
September 29, 2026 is a Tuesday. It is 6 days from today, September 23, 2026. The date is day 272 of 365 in 2026, it sits in ISO week 40, and it is the 29th of a 30-day month with 1 day after it.
What day of the week is September 29?
In 2026 it is a Tuesday. 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 29 works its way around the week rather than repeating on a tidy schedule.
September 29 in the next few years
| Year | Weekday | Day of year | ISO week | Leap year |
|---|---|---|---|---|
| 2026 | Tuesday | 272 | 40 | no |
| 2027 | Wednesday | 272 | 39 | no |
| 2028 | Friday | 273 | 39 | yes |
| 2029 | Saturday | 272 | 39 | no |
| 2030 | Sunday | 272 | 39 | no |
| 2031 | Monday | 272 | 40 | no |
| 2032 | Wednesday | 273 | 40 | yes |
| 2033 | Thursday | 272 | 39 | no |
Between 2026 and 2027 the weekday moves from Tuesday to Wednesday, a step of 1. The day-of-year column also moves: September 29 is day 272 in a common year and day 273 in a leap year, because it sits after 29 February.
How often does September 29 fall at a weekend?
Counting the 28 occurrences from 2026 to 2053, September 29 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 29 sits in the calendar
September 29 is the 29th day of September, a month of 30 days in 2026, leaving 1 day of the month after it. Measured from 1 January it is 271 days into the year, and 93 days remain to 31 December, which puts it 74.5% of the way through 2026. In September 2026 the other Tuesdays are the 1st, 8th, 15th, 22nd, because weekdays repeat every seven days inside a month just as they do across one.
What else happens around September 29?
No holiday or widely marked observance falls within five days of September 29 in 2026, which makes it a quiet stretch of the calendar. The nearest marked dates either side can be found on the when is it index.
How far away is September 29?
The next September 29 is Tuesday, September 29, 2026, 6 days from today. That is 0 whole weeks and 6 days, or 0.9 weeks written as a decimal. To count towards it second by second, use the date calculator.
Questions
- What day of the week is September 29, 2026?
- A Tuesday. It is day 272 of 365 and falls in ISO week 40.
- What day of the week is September 29 next year?
- In 2027 it is a Wednesday.
- What number day of the year is September 29?
- Day 272 in a common year and day 273 in a leap year. See day 272 for more.
- Which week of the year is September 29 in?
- ISO week 40 in 2026. The week 40 page lists every date in it.
Nearby dates
The 29th of other months
All 366 dates · Week 40 · Day 272 of the year · Event countdowns · When is it? · Date calculator