A post on his Facebook page, which has more than five million followers, said: "God has taken His servant".
Phaneroo is a Greek word translated as bringing to manifestation that which existed but is not seen.
During this time of fasting, the Joint Task Force continues to advocate for peace, safety and rule of law.
Fr Sapula said the Bishop died at 6.40 p.m local time and only added that arrangements are being organized for his final send-off.
added- "There was no sign that he had struggled. The blood clot once appears takes between 3 to 5 minutes for a victim to immediately die.
He joined the Congregation of the Comboni Missionaries and was ordained a priest on 12 April 1970.
The archbishop will finally be buried on Thursday in Rubaga Cathedral.
Talking tough (seemingly) in the Easter message, he added: "We all die no matter how alive we look a second ago."
Catholics generally are among the more accepting sects of Christianity when it comes to same-sex unions.
Turyamureba has asked the followers of the faith of unity and the general public to remain calm.