More than 2,000 households in six subdistricts of the provincial seat and Khuan Khanun district were affected by the flood, which was 70-80 centemetres deep.
The two districts were lower areas and received water from Bantat Mountain before the water would flow into Songkhla Lake.
Many village roads were impassable, particularly at Ban Plai Thong and Ban Khao Jingjo in the provincial seat.
Meanwhile, areas near Bantat Mountain such as Chumpol and Banna sub-districts in Srinagarindra district; abd Kong Ra's Charad sub-district where floods on Monday have returned to normal after rain stopped last night.
The Southern Meteorological Centre (East Coast) in Songkhla today said that a strong northeast monsoon prevails over the Gulf of Thailand and the southern portion of the country making more rain with heavy rain in Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala and Narathiwat.
Due to the strong winds, 2-3 metre high waves will occur across the lower Gulf of Thailand. People along the coast should beware of high waves inshore.
All ships should proceed with caution, and small boats in the lower Gulf from Surat Thani downward keep ashore during today and tomorrow.