What Day: September 20
Find the day of the week for any date of the year.
September 20 this year (2026) falls on a Sunday. It's day 263 of the year, with 102 days left afterward, sits in Q3 (Fall), and falls under the zodiac sign Virgo in Western astrology. Because of how leap years shift the calendar, a date's day-of-week doesn't repeat on a fixed yearly schedule. September 20 will next fall on a Sunday again in 2037. Within September, this is day 20 of 30, roughly 67% through the month. Overall, that's roughly 72% of the way through the year.
As of October 1, 2026, 12:19 PM (America/New York).
A Decade Ago
September 20, 2016 fell on a Tuesday, a useful reference point if you're comparing how a recurring event has shifted across the week over the years.
Half a Year Away
Roughly six months from September 20 is March 20, which falls in spring and lands on a Friday this year.
Nearby Dates
Check the day of the week for the date just before or after September 20 using the links below.