Anyone paying close attention to sharemarkets lately might be starting to feel a tad apprehensive. We've all heard the warnings that past performance is not indicative of future performance, but you might just take comfort from this chart (courtesy of AMP Capital).

Historically, September is NOTORIOUSLY the worst month of the year for both the Aussie & US markets.

We're not suggesting that there are not things to be keeping an eye on, but maybe taking a deep breath might be in order.