The CPI in September 2025 was 110.03(2021=100) which decreased by 0.10% from the preceding month and rose by 1.38% compared with the same month in 2024.

Introduce percent change compared with the preceding month of 7 categories as follows:

1. Food group decreased by 0.05%.

2. Clothing group decreased by 0.02%.

3. Housing group increased by 0.14%.

4. Transportation and Communication group decreased by 1.15%.

5. Health group decreased by 0.40%.

6. Education & Entertainment group decreased by 0.17%.

7. Miscellaneous group increased by 0.64%.

The CCI was 112.02(2021=100) which decreased by 0.05% from the preceding month and rose by 0.32% compared with the same month in 2024.