The Consumer Price Index for All Urban Consumers (CPI-U) was unchanged in September on a seasonally adjusted basis after rising 0.1 percent in August, the U.S. Bureau of Labor Statistics reported today. Over the last 12 months, the all…
Source: U.S. Bureau of Labor Statistics5 min read
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The Consumer Price Index for All Urban Consumers (CPI-U) was unchanged in September on a seasonally adjusted basis after rising 0.1 percent in August, the U.S. Bureau of Labor Statistics reported today. Over the last 12 months, the all items index increased 1.7 percent before seasonal adjustment.
Increases in the indexes for shelter and food were offset by declines in the indexes for energy and used cars and trucks to result in the seasonally adjusted all items index being flat. The energy index fell 1.4 percent as the gasoline index declined 2.4 percent. The food index increased 0.1 percent in September after being unchanged in each of the prior 3 months.
The index for all items less food and energy rose 0.1 percent in September after increasing 0.3 percent in each of the last 3 months. Along with the shelter index, the indexes for medical care, household furnishings and operations, and motor vehicle insurance all rose in September. The indexes for used cars and trucks, apparel, new vehicles, and communication all declined.
The all items index increased 1.7 percent for the 12 months ending September, the same increase as for the 12 months ending August. The index for all items less food and energy rose 2.4 percent over the last 12 months, also the same increase as the period ending August. The food index increased 1.8 percent over the last year, while the energy index decreased 4.8 percent.
Seasonally adjusted changes from preceding month Un- adjusted 12-mos. Mar. Apr. May June July Aug. Sep. ended 2019 2019 2019 2019 2019 2019 2019 Sep. 2019
Food
The food index increased slightly in September, rising 0.1 percent. The index for food at home was unchanged in September after falling in each of the prior 3 months. Five of the six major grocery store food group indexes increased over the month. The index for cereals and bakery products increased 0.5 percent after declining in August. The indexes for meats, poultry, fish, and eggs and for other food at home both increased 0.3 percent. The index for dairy and related products advanced 0.2 percent, and the index for nonalcoholic beverages rose 0.1 percent.
These increases were offset by a decline in the index for fruits and vegetables, which fell 1.0 percent in September following a 0.5-percent decline in August. The indexes for fresh fruits and for fresh vegetables both declined in September.
The index for food away from home rose 0.3 percent in September after increasing 0.2 percent in August. The index for full service meals increased 0.3 percent and the index for limited service meals rose 0.2 percent.
The food at home index rose 0.6 percent over the last 12 months. Five of the six major grocery store food group indexes rose over that span. The largest increase among them was the 1.4-percent advance in the index for dairy and related products. The fruits and vegetables index was the only one to decline, falling 0.4 percent. The index for food away from home rose 3.2 percent over the last year. The index for full service meals increased 3.6 percent and the index for limited service meals rose 3.0 percent.
Energy
The energy index declined 1.4 percent in September, its fourth decline in the last 5 months. The gasoline index fell 2.4 percent in September following a 3.5-percent decline in August. (Before seasonal adjustment, gasoline prices fell 0.9 percent in September.) The index for natural gas declined 0.7 percent in September, its eighth decline in the last 9 months. The electricity index was unchanged in September following a decline in August.
The energy index decreased 4.8 percent over the past 12 months. The gasoline index fell 8.2 percent, and the fuel oil index declined 8.5 percent over the year. The index for natural gas declined 2.7 percent over the last 12 months. The index for electricity was the only major energy component index to rise over the last year, increasing 0.7 percent.
All items less food and energy
The index for all items less food and energy increased 0.1 percent in September. The shelter index continued to rise, increasing 0.3 percent in September following a 0.2-percent increase in August. The index for rent rose 0.4 percent and the index for owners’ equivalent rent increased 0.3 percent. The index for lodging away from home increased 2.1 percent in September after falling 2.1 percent in August.
The remaining indexes within all items less food and energy were a mix of offsetting increases and declines. The medical care index rose 0.2 percent in September with its component indexes mixed. The index for physicians’ services increased 0.4 percent, the index for hospital services was unchanged, and the index for prescription drugs declined 0.5 percent. The index for household furnishings and operations increased 0.3 percent over the month, as did the index for motor vehicle insurance. Also rising in September were the indexes for airline fares, for tobacco, and for education.
The index for used cars and trucks declined in September, falling 1.6 percent. The apparel index fell 0.4 percent in September after rising in each of the prior 3 months. Also declining in September were the indexes for new vehicles, for communication, for alcoholic beverages, and for personal care. The recreation index was unchanged in September after rising in August.
The index for all items less food and energy rose 2.4 percent over the past 12 months. Indexes with larger increases included shelter and medical care (both 3.5 percent). Indexes with smaller increases over the past 12 months included recreation (1.0 percent)and new vehicles (0.1 percent). Indexes with declines over the past year included communication (-1.2 percent) and apparel (-0.3 percent).
Not seasonally adjusted CPI measures
The Consumer Price Index for All Urban Consumers (CPI-U) increased 1.7 percent over the last 12 months to an index level of 256.759 (1982-84=100). For the month, the index increased 0.1 percent prior to seasonal adjustment.
The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) increased 1.5 percent over the last 12 months to an index level of 250.251 (1982-84=100). For the month, the index increased 0.1 percent prior to seasonal adjustment.
The Chained Consumer Price Index for All Urban Consumers (C-CPI-U) increased 1.6 percent over the last 12 months. For the month, the index increased 0.1 percent on a not seasonally adjusted basis. Please note that the indexes for the past 10 to 12 months are subject to revision.
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MortgageRates.news analysis · Historical context
The mortgage market around this release
This original analysis is separate from the source article. It compares observed benchmarks around ; historical averages and yields are not current mortgage offers.
Read consumer inflation on a consistent basis
The Consumer Price Index measures changes in prices paid by urban consumers for a basket of goods and services. Check the index, reference month and seasonal adjustment before comparing figures. A monthly change and a twelve-month change describe different periods; the all-items index and the measure excluding food and energy cover different baskets. Consumer inflation informs the wider policy discussion, but the benchmark comparison below does not isolate this release from other information arriving during the month. BLS Consumer Price Index.
Nearest published observation on or before each target date
Calendar references, not an intraday reaction. A same-day market observation may have been published after a morning release. These figures do not show what was known at its exact publication time. One basis point (bp) is 0.01 percentage point; changes use the actual dated observations shown.
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What that benchmark difference would mean for a $300,000 loan
At the publication reference$1,358.88/month
3.57% · Oct 10, 2019
At the later reference$1,379.15/month
3.69% · Nov 7, 2019
The illustrative principal-and-interest payment is $20.27 higher per month. This holds the loan amount and term constant to show the arithmetic effect of the benchmark difference.
Assumptions: two separate hypothetical $300,000 loans, each fully amortizing over 30 years with 360 monthly payments and its stated fixed interest rate. Excludes points, lender fees, taxes, insurance, association charges and other costs. PMMS is a national average, not an APR or a personalized rate offer. These are not two payments on one existing loan.
Sources, historical coverage and calculation limits
Freddie Mac Primary Mortgage Market Survey®: available observations from Apr 2, 1971 through Nov 5, 2026. Cached history snapshot. History retrieved or verified Nov 11, 2026.
U.S. Department of the Treasury: available observations from Jan 4, 2016 through Nov 10, 2026. Cached history snapshot. History retrieved or verified Nov 11, 2026.
The 30-day comparisons use calendar days. Each cell selects the last published observation on or before its target; no rates are synthesized for missing dates. Gaps greater than seven days for daily Treasury data or fourteen days for weekly mortgage data are marked unavailable. Forward comparisons require the date to have arrived and source coverage to extend through it.
Historical files may contain revisions and do not reconstruct precisely what every market participant knew at the time. Freddie Mac changed its PMMS collection methodology in November 2022. Cross-period comparisons should account for that change. These windows include other news and cannot establish causation or forecast the next rate move.