Is 35lb to heavy for a 9 month old baby?

Once a newborn hits the one-month mark, she'll begin to gain about 1 1/2 to 2 pounds each month. By four months, many babies have doubled their birth weight, and by a year, they've often tripled it.

http://family.go.com/parentpedia/baby/milestones-development/baby-weight-gain/