Better too early than too late , the woods just after hunting season are pristine and you arn't worried about bumping deer,better yet bumping them this time of year is good to bump them as you can gain insight on what and where they are doing. This time of year gives real insightas to what is going own during the rut as scrapes and rubs are still fresh looking.
Once the heat returnes the recon info is limited to what will be going own in the pre- rut . Though valuable info it is not nearly as important as insight as what will be going own during the rut. Also the closer you scout to opening day the lower the impact you need to inflict.
A few things that can come out of summer scouting is this , a good creek crossings in the summer are aften good in the fall, the same with fence crossings and so forth.