About September 2021 Calendar
How many days in September 2021?
September 2021 has 30 days. The month starts on a Wed, September 1, and ends on a Thu, September 30.
Federal holidays in September 2021
There are no US federal holidays in September 2021.
Download September 2021 calendar
Download this free printable September 2021 calendar as PDF or PNG — no sign-up required. Includes US federal holidays highlighted in red. Available in US Letter (8.5″×11″), A4 (210×297mm), and Legal (8.5″×14″).