How many days until September?
It's September right now, so this page counts down to next September 1 (Wednesday, September 1, 2027), 336 days away.
336 days
until Wednesday, September 1, 2027
336d 00h 00m 00s
Counting from Wednesday, September 30, 2026, in your time zone.
48 weeksin weeks
11 months and 2 daysin months
8,064hours
483,840minutes
29,030,400seconds
240weekdays (Mon–Fri)
230business days*
96weekend days
*Business days count Monday–Friday from tomorrow through the target date and skip U.S. federal holidays (observed dates).
Pick a day in September
Every date below opens its own live countdown.
Holidays in September 2027
Frequently asked questions
How many days until September?
September 1, 2027 is 336 days away (48 weeks).
How many days are in September 2027?
September 2027 has 30 days.
What day of the week does September 2027 start on?
September 1, 2027 is a Wednesday.