Oct 18 (Reuters) - The following is a table of Polish annual net inflation indices for September, published by the central bank on Monday. Analysts polled by Reuters had expected September net inflation - excluding food and energy prices - of 4.0% year-on-year. (% y/y) September August net CPI excl. food and energy 4.2 3.9 CPI excluding controlled prices 5.5 5.1 excluding the most volatile prices 4.1 3.8 15 pct trimmed mean 4.5 4.1 CPI 5.9 5.5 (Reporting by Adrianna Ebert and Anna Banacka in Gdansk) Our Standards: The Thomson Reuters Trust Principles.