Primary headache such as migraine may be caused by triggers such as food, weather or hormones. However, anatomical issues such as deviated nasal septum may also cause headaches and may need to be managed also to prevent recurrences. It is best that you talk to your doctor about this for proper management. Take care and do keep us posted.
migraine could be due to deviated septum and bony spur..read this http://www.kevinsmithmd.com/headache_articles.html