Take Five: A September to remember?

investing.com:

(Reuters) — As an awful August gives way to an uncertain September, investors hope this month will confirm that the seemingly relentless rise in interest rates will end soon, meaning respite for both stocks and bonds.

But there are a few snags. This September is chock-full of risk events, including central bank meetings, a G20 summit and make-or-break data, not to mention that it tends to be the worst month of the year for the mighty S&P 500.

Here's a look at the week ahead in markets from Ira Iosebashvili in New York, Kevin Buckland in Tokyo, Dhara Ranasinghe, Libby George and Naomi Rovnick in London.

1/ SCARY SEPTEMBER

Now the Federal Reserve's Jackson Hole confab is over, investors are strapping in for a potentially volatile month. 

The S&P 500 tends to post its worst monthly performance in September, with an average decline of 0.7%, according to CFRA data going back to 1945.

There are plenty of catalysts for volatility. The Sept. 13 U.S. inflation reading would likely have to support the narrative of cooling consumer prices and resilient growth that has boosted stocks for most of the year.

Investors will also scrutinise the message from Fed Chairman Jerome Powell after the central bank's Sept. 20 meeting to determine the likelihood of another hike this year.

Meanwhile, there's a risk of a fourth federal government shutdown in a decade if squabbling lawmakers cannot reach a deal by Sept. 30, when funding runs out with the end of the current fiscal year. On the data front, U.S. services sector activity is due Wednesday.

2/ THE SICK MAN OF EUROPE

Germany looks likely to be the only major economy to contract this year. Business activity there shrank at the fastest pace in over three years in August, business sentiment