From the Census Bureau report:
Advance estimates of U.S. retail and food services sales for September 2018, adjusted for seasonal variation and holiday and trading‐day differences, but not for price changes, were $509.0 billion, an increase of 0.1 percent from the previous month, and 4.7 percent above September 2017.
This graph shows retail sales since 1992. This is monthly retail sales and food service, seasonally adjusted (total and ex-gasoline).
Retail sales ex-gasoline were up 0.2% in September.
The second graph shows the year-over-year change in retail sales and food service (ex-gasoline) since 1993.
The increase in September was well below expectations, and sales in July and August were revised down.