Getting a standard view studio at BLT is hard almost any time of year. Most of Sep is a low DVC demand time and lake view is usually open at 7 months out, as is theme park view, but standard view is still an issue. At least that has been true through this year. That may change in 2015 since Disney just recently decided to start Wine and Dine in Epcot a week earlier than usual, and thus now the last 10 days or more of Sep will be part of Wine and Dine, usually a high DVC demand time.
First week of Dec is the highest DVC demand week of the year at WDW. It is very difficult to get anything at 7 months out other than SSR and possibly OKW and AKV savanna or standard view, although OKW and AKV are even at risk of being unavailable.