Meanwhile, US durable goods orders didn't fall as expected in August although revisions left that series on a weaker track.
"It was another quiet day with a lack of news flow to drive markets," said Jason Wong, currency strategist at Bank of New Zealand.
"Fed chair Yellen's testimony in front of lawmakers went over familiar ground. She commented that the current course of the economy calls for a gradual increase in interest rates, something that doesn't have a fixed timetable."
The kiwi fell to 94.60 Australian cents from 94.72 cents and rose to 4.8506 yuan from 4.8473 yuan. It edged up to 73.18 yen from 73.10 yen and was little changed at 64.81 euro cents. The kiwi traded at 55.83 British pence from 55.91 pence.