Sun in the 9th house (Dharma / Bhagya, the house of fortune) brings the significations of Sun, namely soul (atma), father, authority & government, into the area of fortune, dharma, the father and higher wisdom. The 9th house governs fortune & luck, father, dharma & ethics, higher learning & guru.
Results of Sun in the 9th House
Sun is a malefic planet, so here it tends to bring low confidence, ego conflicts, trouble with father or bosses, and weak vitality focused on fortune, dharma, the father and higher wisdom. As a trine (trikona) house of fortune, benefic influence here is especially auspicious.The exact result depends on which sign Sun occupies here and the aspects it receives.
When It Activates
These results typically surface during the Vimshottari mahadasha or antardasha of Sun, and when transiting planets trigger the 9th house. A well-placed Sun here supports good luck, wisdom, a supportive father and a strong sense of purpose; when afflicted it can indicate poor luck, a weak moral compass and distance from the father.