The problems in Europe overshadowed news that US manufacturing unexpectedly accelerated in September, easing worries about a recovery in that economy.
Trading on markets in Asia is expected to be reduced by the Golden Week holiday in China this week.
A BusinessDesk survey of five strategists yesterday expected the New Zealand dollar to be weak this week after the double credit rating downgrade from Fitch Ratings and Standard & Poor's last week.
The RBA is expected to keep its target cash rate on hold at 4.75 per cent today. The New Zealand Institute of Economic Research's quarterly survey of business opinion today may be overshadowed by the RBA decision even though it is used by the Reserve Bank of New Zealand when setting monetary policy.
Investors will also be looking for guidance from European Central Bank President Jean Claude Trichet and Federal Reserve chairman Ben Bernanke when they speak on Tuesday.
The kiwi was lower at 67.98 at on the trade-weighted index from 68.05 yesterday, and fell to 78.85 Australian cents from 78.95 cents. It fell to 58.05 yen from 58.30 yen yesterday and rose to 57.20 euro cents from 56.87 euro cents yesterday. The kiwi dollar was little changed at 48.87 from 48.83 British pence yesterday.