The match will be played in Bielsko-Biała, southern Poland.
The Polish team, coached by Marcin Kasprowicz, beat Benin 4-1 in Bielsko-Biała last Friday to complete a perfect group stage at the tournament, having already secured a place in the round of 16.
Earlier in the tournament, Poland defeated Argentina 3-0 and Mexico 2-1.
The Under-20 Women's World Cup has been held every two years since 2002, initially featuring 12 teams before expanding to 16 and then 24.
Poland is hosting the tournament for the first time, while the Polish team is making its debut in the competition.
The 24 teams were divided into six groups of four. The top two teams in each group, along with the four best third-place teams, advanced to the round of 16.
The final will be played on September 27 in the central city of Łódź. The southern cities of Katowice and Sosnowiec are the other host cities.
The United States, Germany and North Korea have each won the title three times. North Korea won the previous tournament in Colombia in 2024.
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Source: IAR/PAP, fifa.com