Certainly looks likely, but need to see more of the spiders such as top of the abdomen. It is difficult to see sufficient details of the palp from photographs (usually impossible for many species), but there might be the large process of male Sitticus pubescens visible. This would be a very late date though - this is usually a spider adult earlier in the summer, especially males. The female may or may not be adult - one can't be sure without being able to identify a fully formed adult epigyne, something which will not be visible in any photograph of a live Sitticus.
Can you please provide a full postcode or Ordnance Survey grid reference and an actual date for your spiders.