6-to-9-month-old
Emotional Milestones for a 6-to-9-Month-Old
Between 6 and 9 months, babies show warm two-way smiles and laughter, seek comfort from familiar people, begin showing stranger wariness, and delight in shared play like peek-a-boo. These are happy, expected shifts, and a wide range of pace is normal.
Long before words arrive, your baby is already telling you how they feel — with a stranger-shy turn of the head, a beaming reunion smile, and a tiny hand reaching to be held.
In short
Between 6 and 9 months, your baby's emotions become richer and more social. Expect warm two-way smiles and laughter, clear comfort-seeking from familiar people, the first signs of stranger wariness, and growing delight in shared play like peek-a-boo. These are happy, expected shifts — every baby moves at their own pace, and a wide range is perfectly normal.Emotional milestones to enjoy (6–9 months)
Connection and joy- Smiles, giggles and squeals during back-and-forth play
- Looks for your reaction and shares delight by looking from a toy to you and back
- Settles and brightens when a familiar caregiver appears
Comfort and security
- Reaches up to be picked up and calms when held
- May show stranger awareness — going quiet, clinging or wary around new faces (a healthy sign of attachment)
- Some early separation protest when you step away
Expressing feelings
- A widening range of emotions — joy, surprise, frustration, displeasure — shown through face, voice and body
- Begins to "check in" with your face to read whether something is safe (early social referencing)
A gentle word on range
Milestones are signposts, not deadlines. A baby who is a little slower to warm to strangers, or who reaches a step a few weeks later than a sibling, is usually well within the normal spread. What's most reassuring is the overall pattern: warm engagement, growing attachment, and steady forward progress. If your baby stopped doing something they used to do, rarely smiles or makes eye contact, or doesn't seem to respond to you, that's worth a friendly developmental check — not a cause for alarm.The Pinnacle way
At Pinnacle Blooms Network, any clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under the care of a qualified clinician — never from an online list or a worried evening of searching. With 25 million+ therapy sessions and 4.95 lakh+ families served across 70+ centres, we help you read your baby's emotional growth with confidence. Explore [our network](/), learn how the AbilityScore® gives a structured developmental baseline, and see how occupational therapy supports playful social and emotional development.Trusted sources
Aligned with CDC "Learn the Signs. Act Early." milestone guidance, the American Academy of Pediatrics via HealthyChildren.org, and the WHO Nurturing Care framework for responsive caregiving in the early years.Next step — if you'd like reassurance or a baseline of your baby's emotional growth, book a developmental check with the Pinnacle team on WhatsApp: +91 91001 81181.
This is general information, not a diagnosis — a clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre under qualified clinician care.
What to watch
It's worth a gentle developmental check if your baby rarely smiles or makes eye contact, doesn't seek comfort from familiar people, seems not to respond to you, or has stopped doing something they used to do.
Try this at home
Play face-to-face peek-a-boo daily — pause and wait for your baby's smile or squeal before the next round. This back-and-forth turn-taking is emotional development in action.
Trusted sources
Developed by SETU Consortium · Pinnacle Blooms Network · Last reviewed 2026-06-10 · reviewed every 365 days
This is general information, not a diagnosis. A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care.
Frequently asked
Is stranger anxiety at 8 months a problem?
No — it's usually a healthy sign. Stranger wariness shows your baby has formed a strong attachment to their familiar caregivers and can tell the difference between known and new faces. It often appears between 6 and 9 months and is part of normal emotional growth.
My baby smiles less than other babies the same age. Should I worry?
Babies vary widely, and a quieter baby can still be developing beautifully. What matters is the overall pattern of warm engagement and steady progress. If your baby rarely smiles, makes little eye contact, or doesn't respond to you, a friendly developmental check can offer reassurance.
When should emotional development be formally assessed?
Routine developmental checks happen alongside well-baby visits. A more structured assessment is worth arranging if you notice your baby has lost a skill they previously had, or isn't engaging socially over several weeks. A clinician can guide you — it's a check, not a cause for alarm.