How many days until September 1: about September
September is month 9 of 12 and has 30 days. The name comes from the Latin "septem", seven, because it was the seventh month of the early Roman calendar.
In the northern hemisphere it falls in autumn (fall); in the southern hemisphere it falls in spring (meteorological seasons).
September 2027 at a glance
| First day | Wednesday, September 1, 2027 |
|---|---|
| Last day | Thursday, September 30, 2027 |
| Weekdays (Mon–Fri) | 22 |
| Weekend days | 8 |
| Days that occur five times | Wednesday and Thursday |
| Day of the year | 244 to 273 (about 67% of the year has gone by on September 1) |
| Week numbers (ISO) | 35 to 39 |
| Quarter | Q3 |
September 2027 has five Wednesdays and Thursdays, which matters if you are paid weekly or plan a weekly class or bill. Worked out from the calendar; dates checked November 2026.
Holidays and events in September 2027
Frequently asked questions
How many days until September 1?
The countdown at the top of this page shows the exact number of days, hours and minutes until September 1, 2027 (Wednesday, September 1, 2027), updated live in your time zone.
When does September 2027 start?
September 2027 starts on Wednesday, September 1, 2027.
How many days are in September?
September has 30 days.
What day of the week does September 2027 start on?
September 2027 starts on a Wednesday and ends on a Thursday, September 30.
How many weekdays are in September 2027?
September 2027 has 22 weekdays (Monday to Friday) and 8 weekend days. Public holidays are not taken out, so subtract any that apply to you.
What season is September?
In the northern hemisphere September is in autumn (fall); in the southern hemisphere (such as Australia) it is in spring, using the meteorological seasons.
Other months
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