Most nine-month-olds settle into two naps and three solid meals.
Usually 4 to 6 wet diapers.
Around 1 to 2 per day, though this varies a lot.
Every baby is different. These are typical ranges for healthy, full-term babies, not targets. The easiest way to know your baby's normal is to track a couple of weeks and look at the pattern.
Thungu is a baby-tracking bot, not medical advice. If you're worried about feeding, weight, sleep, or development, talk to your pediatrician.