The official website responsible for the anime Arifureta Shokugyou de Sekai Saikyou revealed that the second season will premiere in January 2022.
Below are the promotional image and a trailer for the new season, respectively:

Synopsis
Hajime Nagumo and his high school class are suddenly summoned to a fantastical land as heroes. But while most of his classmates possess powerful stats and abilities, Hajime does not. Undervalued and unprepared, he falls into the depths of a monster-infested dungeon where greed and sacrifice are his only options. To thrive in this savage world, he will have no choice but to embrace the abyss.
Staff
- Director: Akira Iwanaga
- Animation: Asread and Mother Studio
- Script supervision: Shoichi Sato
- Character Design and Chief Animation Director: Chika Kojima
Confirmed voice actors
- Toshinari Fukamachias as Hajime Nagumo
- Yuuki Kuwahara as Yue
- Minami Takahashi as Shea
- Youko Hikasa as Uncle Klarus
- Saori Ounishi as Kaori Shirasaki
- Yumiri Hanamori as Shizuku Yaegashi
Additionally, the first season of Arifureta aired in July 2019, and had a total of 13 episodes.
Finally, the series was scheduled to premiere in April 2018, but was postponed to July 2019 and had to change some staff members at the time.
Source: ANN