de Blasio races to top of NY mayoral poll

(CNN) - Remember when Anthony Weiner led the pack for the Democratic New York mayoral nod?

That was July.

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A little over a month later, the former congressman is in the single digits and the race might not even go to a runoff, according to a new poll.

The Quinnipiac University survey out Wednesday found Bill de Blasio, the city's public advocate, had the support of 36% of Democratic likely voters - just four points shy of the 40% a candidate needs to capture the nomination in the September 10 primary. De Blasio has more than doubled his score since a July Quinnipiac poll showed him at 15%.

If none of the nine candidates vying for a spot on the November ballot hit that 40% threshold, a runoff will be held in October.

Behind de Blasio, City Council Speaker Christine Quinn stood at at 21% and former City Comptroller William Thompson came in at 20%, the poll showed. Earlier in the cycle, it was Quinn who gave Weiner chase for his first-place spot, then overtook him.

Weiner landed 8% support, tumbling from the top spot after he acknowledged in July sending racy messages long after his apology and resignation from Congress for similar behavior.

At the bottom of the pack was City Comptroller John Liu (6%) and Sal Albanese (1%), a former City Council Member.

Although half of the poll's respondents said their mind was made up, one in three said there was a good chance they would change their vote in the next two weeks.

The survey included 602 likely Democratic primary voters and included no data on the Republican field. Voters were reached by telephone between August 22 and 27, Quinnipiac University said, and the poll had a sampling error of plus or minus four points.