Oil Price forecast for September 2019. In the beginning price at 60.43 Dollars. High price 66.34, low 57.23. The average for the month 62.34. The Oil Price forecast at the end of the month 65.36, change for September 8.2%. A Sobering Look At The Future Of Oil | OilPrice.com Oil has no future. It is only a matter of time, although how much time remains is subject to considerable discussion and debate. Various prognosticators put forth differing view about when world oil demand will peak. Some say as early as 2030, others much later.