He attended a village mixed school in Kudagama for his primary education and finished his secondary education at the Seethawaka Central College and also at the Rajasinghe Central College before obtaining an Arts Degree from Vidyodaya University (now known as Sri Jayawardenepura University).
[5] He also pursued his writing skills from being a journalist to a novelist and had published several well known novels in Sri Lankan literature such as Yashoravaya, Mawakage Geethaya, Baladevage Lokaya, Irahanda Payana Loke and Ambu Samiyo.
He had written scripts for over 30 teledramas including Doo Daruwo, Asal Vesiyo, Palingu Menike, Uthuru Kuru Satana, Sitha Niwana Katha and Charitha Thunak.
[9] He also wrote scripts to Ammawarune which was directed by late veteran film director Lester James Peiris and Mihidum Sihina.
[10] Somaweera Senanayake died on 9 June 2018 at 73 years old in a private hospital in Colombo of a heart attack while receiving treatment.