Sunscreen? Yes for sure. The spf will or the power will vary based on your skin tone.
Moisturiser? Also necessary but if you have no skin concerns like dryness, acne, oily skin, sensitive skin, maybe skipaable for now.
These usually help in the long run to help fight damage and delay ageing.
Next Steps
if you wish to get a skin analysis followed by recommendation of products based on the results, you can consult me online for the same.