Countdown

How many days until September 1?

309
days until September 1
The next September 1 is Wednesday, September 1, 2027

The short answer

September 1 is 309 days away — that's 44 weeks and 1 day, roughly 10.2 months, or 7,416 hours. The next September 1 falls on a Wednesday (Wednesday, September 1, 2027). The number above updates automatically at midnight in your time zone.

September 1, 2027 at a glance

Day of the weekWednesday
Day of the yearDay 244 of 365
Share of the year passed67%
Days left in 2027 after it121
QuarterQ3
Season (Northern Hemisphere)Summer

What's happening in September

September starts with Labor Day, brings the fall equinox around the 22nd, and marks the start of the academic year.

Other dates to know in September 2027: Labor Day (September 6), Fall (September 22).

The 309 days until September 1, broken down

221
business days
88
weekend days
44
full weeks
1
extra day

That's 221 working days (Monday to Friday) and 88 weekend days — 44 Saturdays and 44 Sundays. Public holidays vary by country, so they aren't deducted.

On September 1 in history

  • 1923Great Kanto earthquake devastates Tokyo and Yokohama, killing over 100,000
  • 1939Germany invades Poland, beginning World War II in Europe
  • 1969Muammar Gaddafi seizes power in Libya through a military coup
  • 1985Wreck of the Titanic discovered on the North Atlantic seabed

Notable world events that happened on September 1 in earlier years.