Consumer sentiment falls to 47.8, the second-lowest reading on record

The University of Michigan’s Index of Consumer Sentiment slipped to 47.8 in September 2026 in a preliminary reading^1,2. That is down from 51.7 recorded at the end of August⁴ and below economists’ expectations of 51³. The month-on-month fall works out at 7.5%^8,9.

It is the second month in a row that sentiment has declined^11,12, and the reading is the second-lowest on record^2,7. Coverage attributed the drop to rising gasoline prices and to trade tensions^5,6, with the Wall Street Journal describing Americans’ economic mood as having slid this month¹⁰. Inflation expectations rose alongside the fall in sentiment^1,3.

Why it matters to investors

Sentiment surveys are noisy month to month, but a second consecutive decline to the second-worst level ever recorded is a different signal from a single soft print^7,11. The composition matters as much as the level: sentiment falling while inflation expectations rise is the combination that constrains a central bank, because it removes the argument that weak demand will do the disinflating on its own¹.

The gasoline channel is the most direct one. Both the Michigan survey coverage and the outlets summarising it point to pricier gas as the proximate cause^3,12, which means the reading is partly a read-through from the energy shock rather than an independent signal about household balance sheets⁵. Trade tensions are the second cause named in the coverage⁵, and neither is a variable that households control or that a survey response can separate out cleanly.

The market treats this series as a coincident read on spending intentions rather than a leading one, so the more useful information is in the direction of travel. Two consecutive falls, with the September level below the August print and below what forecasters expected, describe a consumer whose mood is deteriorating faster than the models allowed for^3,4,12.

What to watch

The preliminary reading is revised later in the month, and the revision will show whether 47.8 holds or whether the early sample overstated the decline^1,11. A confirmed reading at that level, with expectations for prices still rising, would mark the weakest consumer mood outside the record low⁷.

The second thing to watch is whether the survey’s inflation expectations keep climbing¹. Expectations that drift upward while headline sentiment falls give policymakers the least comfortable version of the data: households that feel worse off and simultaneously expect prices to keep rising^3,6. For investors, that combination argues against reading weak sentiment as a straightforward signal of easier policy ahead, and it makes the gasoline price the variable to track in place of the survey itself^5,12.