They also must pass a national exam to obtain a license to practice in the state where they wish to work. The average salary for registered nurses in Alabama as of May 2009 was $27.82 per hour, or $57,860 per year, according to the U.S. Bureau of Labor Statistics.The median hourly pay rate in Alabama was $26.48.The median figure is that at which an equal number of all other pay rates are lower and an equal number are higher. The average nationwide wage for registered nurses was $31.99 per hour, or $66,530 per year.hey also must pass a national exam to obtain a license to practice in the state where they wish to work. The average salary for registered nurses in Alabama as of May 2009 was $27.82 per hour, or $57,860 per year, according to the U.S. Bureau of Labor Statistics.