blonde is fun.. maybe if you wanted to have really light blonde then get high contrast highlights like... have the dark hair, and thicker chunks of blonde throughout because then when the roots start to come in, it is less noticable because their is still dark in your hair. you would look cute in any color though i'm sure but my stylist said to make sure to get it done like a week before because the chlorine might effect the blonde.. idk though.
Ibiza in September? that's the wrong month, u have to go June - July. Most European people goes those months.