Gas Price in San Diego September 2026 – $6.35 Norbert Haupt 3 weeks ago I had to get gas. This was the best I could find. It was the first time ever I had to spend over $100 to fill up my car. $6.35 for regular unleaded. Are we great yet? Share this: Share on Reddit (Opens in new window) Reddit Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X