UK fuel prices on 15 September 2026
Daily report for 15 September 2026. National averages, regional gaps and the biggest price moves from official UK Government Fuel Finder data.
Summary
UK pump prices were rising on 15 September 2026. The average litre of petrol (E10) cost 170.6p, up 0.9p on the day, while diesel averaged 193.4p (up 1.2p on the day). Diesel is 22.8p dearer than petrol. Northern Ireland was the cheapest region for petrol at 164.9p and South East the dearest at 172.3p, a gap of 7.4p a litre. Across the country 76 forecourt prices were cut and 7,954 went up compared with the day before.
Petrol E10: cheapest and dearest regions
| Region | Average |
|---|---|
| 🟢 Northern Ireland | 164.9p |
| Yorkshire & Humber | 169.2p |
| North East | 169.7p |
| Wales | 169.9p |
| North West | 170.3p |
| East Midlands | 170.4p |
| South West | 171.0p |
| West Midlands | 171.3p |
| East of England | 171.3p |
| Scotland | 171.8p |
| London | 172.0p |
| 🔴 South East | 172.3p |
Diesel: cheapest and dearest regions
| Region | Average |
|---|---|
| 🟢 Northern Ireland | 187.3p |
| Yorkshire & Humber | 192.5p |
| Wales | 192.7p |
| North West | 192.9p |
| East Midlands | 192.9p |
| North East | 193.0p |
| South West | 193.7p |
| West Midlands | 193.7p |
| East of England | 194.0p |
| South East | 194.9p |
| Scotland | 195.0p |
| 🔴 London | 195.1p |
Biggest petrol price drops
47 petrol prices cut in total
Biggest petrol price rises
3,707 petrol prices raised in total
Biggest diesel price drops
29 diesel prices cut in total
Biggest diesel price rises
4,247 diesel prices raised in total
Averages are trimmed means of forecourt prices at the last official snapshot of each UTC day. Implausible prices (more than 18p below or 45p above the regional median, likely entry errors) are excluded. Methodology.