September
Go figure: September in D.C. starts out warmer than August ended. September started very much as August had ended: warm and muggy, yet pleasant in its way.
As the transition from summer to fall begins, the weather in September can be unpredictable. It's a time when we start to see cooler temperatures in some regions, while others continue to experience the lingering warmth of summer.
Whether you're enjoying the last days of summer or looking forward to the changing colors of fall, September is a month of transition and new beginnings.