Analysts Projected September Core CPI Growth

TD Securities forecasted a 0.20% monthly increase for Core CPI, following a 0.25% rise observed in August.

Updated on Oct. 10, 2026 in Inflation

Isometric editorial illustration of a single structural monolith made of stacked rectangular blocks, symbolizing stability in consumer price growth. — Analysts at TD Securities projected that U.S. Core CPI grew by 0.20% in September 2026, marking a slight moderation from August growth. AI Illustration. Upload story photo >

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Economic analysts at TD Securities projected that the U.S. Core CPI grew by 0.20% month-on-month in September 2026. This projection follows the 0.25% monthly increase recorded in August 2026.

Why it matters

The moderation in core inflation is attributed to a slowdown in both core services and supercore growth. These metrics are closely watched for long-term indicators of consumer price trends.

Core services inflation is projected at 0.22% and supercore inflation at 0.24% month-on-month. The year-on-year core CPI is expected to remain steady at 2.4%.

The players

TD Securities

This is a financial services firm that provides global capital markets research and economic projections.

The details

The projected decline in growth stems from anticipated easing in core services and supercore categories. Analysts also looked at specific segments, forecasting lodging price increases of 1.4% and airfare hikes of 2.1%.

August 2026 saw a 0.25% month-on-month increase in Core CPI.
September 2026 is the month for which the 0.20% Core CPI growth was projected.
End of 2026 is when core inflation is expected to reach 2.7% year-on-year.
Mid-2027 is the estimated timeframe for a potential resumption of inflation progress.

Macro View

The current trajectory of headline inflation, projected at 3.9% by the end of 2026, marks a decline from the peak headline inflation recorded in May 2026.

These projections suggest a potential cooling of inflation, which may influence household budgeting and consumer spending power. Lower inflation rates can lead to increased stability for individual financial planning and cost-of-living adjustments.

The takeaway

Economic forecasts indicate a period of slow but steady inflation deceleration as the economy moves toward the end of 2026. Monitoring monthly core services data remains essential for understanding shifts in personal purchasing power.