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Diesel price in September 2025

Name: Average U.S. Diesel Price, September 2025
Creator: Weekly Diesel
License: https://creativecommons.org/publicdomain/zero/1.0/

U.S. EIA weekly diesel averaged $3.748/gal over 5 readings

The average U.S. on-highway diesel price in September 2025 was $3.748 per gallon, calculated from 5 EIA weekly readings.
The weekly low was $3.734; the weekly high was $3.766.
That monthly average was $0.004 higher than August 2025.
It was $0.190 higher than September 2024.

This page is a simple calendar-month view of the official EIA weekly U.S. on-highway diesel series: it averages the survey weeks listed below. It is not a separate government monthly series, and no missing weeks are estimated.

September 2025 weekly chart

U.S. average on-highway diesel, September 2025. Source: EIA weekly survey.

Every EIA week in September 2025

Week of	$/gal	Change
September 1, 2025	$3.734	▲+$0.026
September 8, 2025	$3.766	▲+$0.032
September 15, 2025	$3.739	▼−$0.027
September 22, 2025	$3.749	▲+$0.010
September 29, 2025	$3.754	▲+$0.005

← August 2025 · October 2025 → · all of 2025 · all months and years · monthly CSV

The source series is the EIA weekly U.S. on-highway diesel price, published by survey Monday. See the methodology and download the underlying weekly CSV.