WashingtonThe Labor Department counted 29,000 new US jobs, against 90,000 expected.
Unemployment rose to 4.2%, and futures price under a 1-in-5 chance of an October rate hike.
The Fed raised rates a quarter point in September against Iran-war inflation, and signalled another hike if the labor market holds.
Dallas Fed president Lorie Logan said Thursday the central bank must keep raising rates.
The Fed decides on 28 October, and futures price a December hike at nearly 90%.
Sources: Bloomberg Business, Reuters