UK fuel prices September 2026
Last updated .
UK petrol averaged 168.2p a litre in September 2026, of which 81.0p was tax (48%) and 53.3p was crude oil. The price rose from 164.4p in the week to 7 September 2026 to 172.0p in the week to 21 September 2026. For the current week, see UK petrol and diesel prices today.
Every week in September 2026
| Week to | Pump price | Crude | Margin | Duty | VAT |
|---|---|---|---|---|---|
7 September 2026Details for 7 September 2026 | 164.4 | 48.6 | 35.5 | 52.95 | 27.4 |
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14 September 2026Details for 14 September 2026 | 168.1 | 56.5 | 30.6 | 52.95 | 28.0 |
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21 September 2026Details for 21 September 2026 | 172.0 | 54.6 | 35.8 | 52.95 | 28.7 |
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What was happening
Brent averaged $114 a barrel over the month and the pound bought $1.346. Fuel duty was 52.95p a litre throughout. The refining and retail margin averaged 33.9p.
Where these figures come from
Pump prices are the Department for Energy Security and Net Zero's weekly UK average, with the duty and VAT rates DESNZ published alongside each week. Crude is Brent converted at that week's exchange rate. The full method is on the methodology page, and the underlying series are downloadable.