View the CDC Typical Milestones for this age group
What most babies do at 9 months
Social and Emotional
May be afraid of strangers
May be clingy with familiar adults
Has favorite toys
Language/Communication
Understands "no"
Makes a lot of different sounds like "mamamama" and "bababababa"
Copies sounds and gestures of others
Uses fingers to point at things
Cognitive (learning, thinking, problem-solving)
Watches the path of something as it falls
Looks for things he sees you hide
Plays peek-a-boo
Puts things in her mouth
Moves things smoothly from one hand to the other
Picks up things like cereal o's between thumb and index finger
Movement/Physical Development
Stands, holding on
Can get into sitting position
Sits without support
Pulls to stand
Crawls