What Day: September 30
Find the day of the week for any date of the year.
September 30 this year (2026) falls on a Wednesday. It's day 273 of the year, with 92 days left afterward, sits in Q3 (Fall), and falls under the zodiac sign Libra 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 30 will next fall on a Wednesday again in 2037. Within September, this is day 30 of 30, roughly 100% through the month. Overall, that's roughly 75% of the way through the year.
As of October 1, 2026, 12:19 PM (America/New York).
A Decade Ago
September 30, 2016 fell on a Friday, 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 30 is March 28, which falls in spring and lands on a Saturday this year.
Nearby Dates
Check the day of the week for the date just before or after September 30 using the links below.