Monsoon withdrawal commenced from west Rajasthan on September 25, and is expected to retreat from Kerala by mid-October, the IMD said.
Anantapur district registered the highest deficit rainfall of 34 per cent in the State, while Krishna district registered 32 per cent surplus rainfall, the highest surplus rainfall in the State.
The northeasterly winds normally set in over the Bay of Bengal and south peninsular India, resulting in the onset of northeast monsoon rains in October.
The IMD has predicted heavy rainfall in isolated areas in Alappuzha, Ernakulam, Thrissur, Kozhikode and Kannur on Sunday.
Thiruvananthapuram, Pathanamthitta, Kollam, Alappuzha and Ernakulam districts were placed under "orange alert" predicting very heavy rainfall, "yellow alert" was issued in the rest of nine districts.
According to Manish Doshi, five districts are affected, and Gujarat Congress will write to the President of India, the Central Water Commission, and both the central and state governments about it.
Chief Minister Shivraj Singh Chouhan on Sunday said the Army and Air Force will be called in if required for flood relief operations in the state.
Around 1,500 people were shifted to safer places from 28 affected villages, including those located near the world's tallest monument the Statue of Unity in Narmada district.
The relative humidity at 8.30 am was 88 per cent and 73 per cent at 5.30 pm, according to the data shared by the India Meteorological Department.
According to weathermen, the cyclonic circulation over eastcentral Bay of Bengal and neighbourhood now lies over central parts of Bay of Bengal and adjoining north Bay of Bengal.
A fresh cyclonic circulation is likely to form over the northwest, adjoining west-central Bay of Bengal around September 12.
A fresh low-pressure system over the Bay of Bengal coupled with associated cyclonic circulation and active southwest monsoon is expected to increase rainfall activities during this week.
With Hyderabad receiving the heaviest rains of this Southwest monsoon in the last 26 hours, several colonies in low-lying areas had submerged and crippled normal life.
According to the Indian Meteorological Department, a cyclonic circulation that previously loomed over the Northeast Bay of Bengal and its vicinity has now shifted northwestwards to the Bay of Bengal.
IMD has issued a yellow alert for Alappuzha and Ernakulam on Monday and for Pathanamthitta, Alappuzha, Kottayam, and Idukki on Tuesday.
In Chennai, the sky is likely to be partly cloudy with light to moderate rain, while thunderstorms and lightning is likely to occur in some areas, as per the IMD bulletin.
The IMD Amaravati Centre attributed the deficient rainfall to a combination of factors.
Due to heavy rainfall, a complaint of over-flowing of the diversion channel in Varthur Lake was reported. There was flooding in and around Balegere area, Chroma road, Panathur and parts of the ORR.
A low pressure area is likely to form around September 7 or 8 closer to Odisha coast, said Skymet.
Several roads, including Magadi Road, Mysuru Road, Outer Ring Road, Electronics City, Old Airport Road, and Koramangala, were inundated.