NineByNine

September 2026 sudoku archive

10 daily puzzles in September 2026, each in four levels. Days without a link were not published yet when this page was built.

Calendar

September 2026: linked days have a puzzle
MonTueWedThuFriSatSun
123456
78910111213
14151617181920
21222324252627
282930

Difficulty and hardest technique by day

Givens and the hardest technique needed, per level
DateEasyMediumHardExpert
Wednesday, September 30, 202639 givens · Hidden single30 givens · Hidden pair24 givens · XY-Wing25 givens · Simple coloring
Tuesday, September 29, 202636 givens · Hidden single32 givens · Pointing pair27 givens · X-Wing26 givens · Simple coloring
Monday, September 28, 202639 givens · Hidden single33 givens · Box/line reduction24 givens · Hidden triple26 givens · XYZ-Wing
Sunday, September 27, 202639 givens · Hidden single31 givens · Naked pair25 givens · XY-Wing25 givens · Simple coloring
Saturday, September 26, 202639 givens · Hidden single32 givens · Naked pair24 givens · XY-Wing27 givens · XYZ-Wing
Friday, September 25, 202639 givens · Hidden single30 givens · Pointing pair27 givens · X-Wing28 givens · Simple coloring
Thursday, September 24, 202636 givens · Hidden single32 givens · Box/line reduction28 givens · XY-Wing29 givens · Simple coloring
Wednesday, September 23, 202636 givens · Hidden single33 givens · Naked pair25 givens · XY-Wing24 givens · Simple coloring
Tuesday, September 22, 202636 givens · Hidden single33 givens · Pointing pair24 givens · XY-Wing25 givens · Unique rectangle (type 1)
Monday, September 21, 202636 givens · Hidden single31 givens · Naked pair25 givens · XY-Wing26 givens · XYZ-Wing
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Updated · Written by the NineByNine team