traditional schema is to associate each of the principal archangels with each of the seasons: Raphael/spring, Uriel/summer, Michael/fall, and Gabriel/winter. Lewis and Evelyn Dorothy Oliver, Angels A to Z
Archangel Michael is clearing your aura of all negativity . he is decording you from any etheric energy drains . he is clearing your chakra's of lower, negative energies . he is shielding and protecting you.