New, black Mole, 1mm?

hy.i am 24 year old,male.i have more than 100 moles on my body.i am going to dermatologist every year for check the moles.i just observed on my arm a 1mm black,new mole two weeks befor.i am going next time in october to medic.my question is,that this new mole can be a danger,an emergency?i am checking every day this mole,in last week doesn't change his size or color.can i wait until october,or much more better if i am going earlyer?pleas help!