Dates in week 39
- Monday — September 21, 2026
- Tuesday — September 22, 2026
- Wednesday — September 23, 2026
- Thursday — September 24, 2026
- Friday — September 25, 2026
- Saturday — September 26, 2026
- Sunday — September 27, 2026
Week 39 of 2026
Week 39 runs from Monday, September 21, 2026 through Sunday, September 27, 2026.
Week 39 at a glance
ISO weeks always run Monday through Sunday. Week 1 is the week containing the year’s first Thursday.