Python 3.9
Python 3.9 reached end of life on October 31, 2025 and no longer gets security updates.
- Status
- End of life
- Released
- October 5, 2020
- Security updates until
- October 31, 2025
- Official lifecycle page
- devguide.python.org
- Checked on
Python 3.9 reached end of life on October 31, 2025 and no longer gets security updates. The Python core team released it on October 5, 2020. Each Python version gets bugfix releases for two years (18 months for versions before 3.13), then security fixes only until about five years after release. The Python developer guide publishes the end-of-life month.
- Product
- Python
- Version
- 3.9
- Sources
Page URL Python developer guide: versions https://devguide.python.org/versions/
Questions
When did Python 3.9 reach end of life?
Is Python 3.9 still supported?
When was Python 3.9 released?
How long was Python 3.9 supported?
Sources
Every date comes from the vendor’s official lifecycle or release page: Microsoft Lifecycle and Windows release health, Ubuntu’s release cycle, Debian releases, the Python developer guide, the Node.js release schedule, php.net, Oracle’s Java SE support roadmap and Lifetime Support Policy, the .NET support policy, PostgreSQL versioning, Mozilla’s release calendar and Google’s Pixel update policy. Each record links its sources and shows the date they were checked.