What Day of the Week Is September 16?
September 16, 2027 falls on a Thursday. This year, September 16, 2026 was a Wednesday.
It is day 259 of 2027, and 106 days of the year come after it. The date sits in ISO week 37 and in the third quarter, July to September. North of the equator it is day 88 of summer, and fall starts on September 23. In Australia and the rest of the south, it is winter. The Moon is a waning gibbous that day, and the next full moon is on Friday, October 15, 2027. It is not a US federal holiday.
September 16 from 2025 to 2028
The same date in four years, side by side. Moon phases use US Eastern dates.
| Fact | 2025 | 2026 | 2027 | 2028 |
|---|---|---|---|---|
| Day of the week | Tuesday | Wednesday | Thursday | Saturday |
| Day of the year | 259 of 365 | 259 of 365 | 259 of 365 | 260 of 366 |
| Days left in the year | 106 | 106 | 106 | 106 |
| ISO week | 38 | 38 | 37 | 37 |
| Quarter | Q3 | Q3 | Q3 | Q3 |
| Season (north) | Day 89 of summer | Day 88 of summer | Day 88 of summer | Day 89 of summer |
| Moon (US Eastern) | Waning crescent | Waxing crescent | Waning gibbous | Waning crescent |
| US federal holiday | No | No | No | No |
| Other holidays | Mexican Independence Day | Mexican Independence Day | Mexican Independence Day | Mexican Independence Day, Oktoberfest |
Holidays on September 16
Every year, September 16 is Mexican Independence Day.
Holidays that move with the calendar land on September 16 in some years from 2026 to 2035.
| Holiday or observance | Years on September 16 |
|---|---|
| Mid-Autumn Festival | 2035 |
| Oktoberfest | 2028, 2034 |
| Ganesh Chaturthi | 2034 |
| Chuseok | 2035 |
Born on September 16
In most horoscope tables, September 16 falls under Virgo, the sign that runs from August 23 to September 22.
The birthstone for September is the sapphire on the American Gem Society list.
September 16 every year from 1950 to 2049
Find the decade on the left, then the last digit of the year across the top. A baby born on September 16, 1990 arrived on a Sunday, and one born on September 16, 2000 on a Saturday. Weekends are shaded.
| Years | …0 | …1 | …2 | …3 | …4 | …5 | …6 | …7 | …8 | …9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1950s | Sat | Sun | Tue | Wed | Thu | Fri | Sun | Mon | Tue | Wed |
| 1960s | Fri | Sat | Sun | Mon | Wed | Thu | Fri | Sat | Mon | Tue |
| 1970s | Wed | Thu | Sat | Sun | Mon | Tue | Thu | Fri | Sat | Sun |
| 1980s | Tue | Wed | Thu | Fri | Sun | Mon | Tue | Wed | Fri | Sat |
| 1990s | Sun | Mon | Wed | Thu | Fri | Sat | Mon | Tue | Wed | Thu |
| 2000s | Sat | Sun | Mon | Tue | Thu | Fri | Sat | Sun | Tue | Wed |
| 2010s | Thu | Fri | Sun | Mon | Tue | Wed | Fri | Sat | Sun | Mon |
| 2020s | Wed | Thu | Fri | Sat | Mon | Tue | Wed | Thu | Sat | Sun |
| 2030s | Mon | Tue | Thu | Fri | Sat | Sun | Tue | Wed | Thu | Fri |
| 2040s | Sun | Mon | Tue | Wed | Fri | Sat | Sun | Mon | Wed | Thu |
When September 16 is on the same weekday again
After 2027, September 16 is next a Thursday in 2032. The next weekend September 16 is in 2028, on a Saturday.
| Day of the week | Next year after 2027 |
|---|---|
| Monday | 2030 |
| Tuesday | 2031 |
| Wednesday | 2037 |
| Thursday | 2032 |
| Friday | 2033 |
| Saturday | 2028 |
| Sunday | 2029 |
September 16 by year
| Year | Day of the week | Weekend or weekday |
|---|---|---|
| 2023 | Saturday | Weekend |
| 2024 | Monday | Weekday |
| 2025 | Tuesday | Weekday |
| 2026 | Wednesday | Weekday |
| 2027 | Thursday | Weekday |
| 2028 | Saturday | Weekend |
| 2029 | Sunday | Weekend |
| 2030 | Monday | Weekday |
| 2031 | Tuesday | Weekday |
| 2032 | Thursday | Weekday |
| 2033 | Friday | Weekday |
| 2034 | Saturday | Weekend |
Why the weekday changes
A common year is 365 days, one day more than 52 weeks. So September 16 moves on one weekday each year: Wednesday in 2026, Thursday in 2027. The jump is two days when February 29 comes in between, so September 16, 2028 is a Saturday, two on from 2027's Thursday. Between 1901 and 2099, the whole pattern repeats every 28 years.
More about September 16 on this site
September 16 questions
What day of the week is September 16, 2027?
September 16, 2027 is a Thursday. It is day 259 of the year and falls in ISO week 37.
Is September 16 a holiday?
Every year, September 16 is Mexican Independence Day. September 16, 2027 is not a US federal holiday.
Cite this page
APA: ClockTotals. (2026, October 28). What Day of the Week Is September 16? https://clocktotals.com/what-day-is/september-16/
MLA: “What Day of the Week Is September 16?” ClockTotals, 28 Oct. 2026, clocktotals.com/what-day-is/september-16/.
Link (HTML): <a href="https://clocktotals.com/what-day-is/september-16/">What Day of the Week Is September 16?</a>