September is a month of transition. The warm, bright freedom of long days wanes into the chilly introspection of rainy nights. It’s a warning about the coming of the great sleep that is winter. It’s in the morning dew on cars and yellow leaves that swirl before us as we mow the lawn. September signals that we should give up our fantasy of taking a walk in the evening whenever we want or put off fixing that downspout or eating on the patio. We are at the mercy of the…