Plan active events in advance for yourself for the fall and winter.
Expose yourself to as much bright light you can.
Stay physically active.
Seek professional help if you find yourself sinking.
Avoid unnecessary stress if possible. Don’t put yourself in positions that will cause unnecessary stress.
Learn relaxation techniques.
How Others Can Help
Accept that your friend or loved one feels bad.
Offer practical assistance.
There is no immediate cure for SAD except to live within 30 degrees of the equator. So unless you are planning a trip near the equator, accept that you will have your moments with SAD and have a plan of action when you are feeling down.