This is a system of Bitcoin. The Bitcoin prices go up and down, that is not a unique thing. This is the best time to sell Bitcoin and when it will go down so buy Bitcoin. This is the system of Bitcoin and cryptocurrencies.
Anyway, Bitcoin prices are like a peak of mountains. Let's see that Bitcoin price goes down in October or not.

Bitcoin have been in a range for a long time now and it will not continue like that forever. The rise we are seeing now might just be the forces of demand and supply which is entirely market driven. Although we are expecting many developments that will bring in the volatility needed for Bitcoin to rise more rapidly.
I don't see the recent increase as something that will last, it can just be a minor reaction. The direction of Bitcoin will become clearing soon especially when it has moved out of the current range.