Blessing of Akatosh Magicka regenerates 10% faster. Regenerate Magicka, 10 pts for 28800 secs
Blessing of Arkay Increases your health by 25 points. Fortify Health, 25 pts for 28800 secs
Blessing of Dibella +10 Speechcraft. Fortify Persuasion, 10 pts for 28800 secs
Blessing of Julianos Increases your Magicka by 25 points. Fortify Magicka, 25 pts for 28800 secs
Blessing of Kynareth Increases your stamina by 25 points. Fortify Stamina, 25 pts for 28800 secs
Blessing of Mara Healing spells restore 10% more. Fortify Restoration, 10 pts for 28800 secs
Blessing of Nocturnal You are 10% harder to detect. Fortify Sneak, 10 pts for 28800 secs
Blessing of Stendarr Block 10% more damage with your shield.
Fortify Blocking, 10 pts for 28800 secs
Blessing of Talos Time between shouts is reduced 20%. Fortify Shouts, 0.2 pts for 28800 secs
Blessing of Zenithar Prices are 10% better. Fortify Barter, 10 pts for 28800 secs
The Gift of Charity +10 Speechcraft for 3600 seconds. Fortify Persuasion, 10 pts for 3600 secs
Shamelessly copied from http://www.uesp.net/wiki/Skyrim:Blessings