How many days until September 1?
There are calculating until September 1. The next September 1 falls on a calculating.
This September 1 countdown refreshes every second, making it useful for tracking the precise time remaining until the start of September, the opening of meteorological fall, or any end-of-summer deadline you have on your calendar.
September 1 date facts
The next September 1 falls in the upcoming year. It is the opening day of the ninth month and serves as the official boundary between meteorological summer and meteorological fall in the Northern Hemisphere.
Why count down to September 1?
September 1 carries a lot of significance for people across the United States. It marks the first day of meteorological fall, meaning weather agencies and climate scientists formally close out summer on this date and begin tracking fall temperature and precipitation patterns.
For millions of students and families, September 1 lands right at the heart of back-to-school season. While school start dates differ by state and district, many schools across the country are either beginning their year or already a few weeks into fall classes by this point. It also arrives just ahead of Labor Day, the federal holiday observed on the first Monday of September, which is widely regarded as the cultural end of summer in the U.S.
What happens around September 1?
- Meteorological fall officially begins in the Northern Hemisphere.
- Labor Day weekend — one of the most traveled holiday weekends in the U.S. — falls within the first week of September.
- The NFL regular season typically kicks off in early September, drawing massive viewership nationwide.
- College football is well underway, with most programs having played their opening games in late August.
- Back-to-school shopping wraps up and many students return to or are already settled into classrooms.
- Businesses often treat September 1 as a quarterly or fiscal planning checkpoint heading into the fall stretch.
September 1 in the year
In the target year, September 1 is day calculating of the year. Once September 1 arrives, there are calculating days still remaining in the year.