Among the latest cases, 5,344 were found in the community.
Ho Chi Minh City and its neighbour Binh Duong and still suffered the most with 5,052 and 2,764, respectively, followed by Dong Nai with 760, and Long An with 190.
Hanoi reported the detection of five new positive cases, which were found in lockdown or isolation areas, or linked to F1 contacts of previous outbreaks.
The new infections thereby bring the country's total number of cases since COVID-19 initially broke out in the nation in early 2020 to 728,435, ranking 46th among 222 countries and territories globally.
A total of 236 deaths were confirmed on September 23, with the majority of them coming in Ho Chi Minh City. The COVID-19 fatality count now stands at more than 18,000 or 2.1% of the total infections and 0.4% higher than the COVID-19 mortality rate in the rest of the world.
The number of recoveries also rose to 493,488 after 6,226 patients were released from hospital after making a full recovery from the disease.
Furthermore, the nation has vaccinated more than 36 million people, with around 7 million people receiving two doses.
Meanwhile, the Government has issued a directive allowing people who have received two COVID-19 vaccine doses to produce and deliver agricultural products.
The directive has been designed to promote production and export items in the key agricultural sector amidst the ongoing pandemic.
Prime Minister Pham Minh Chinh has also requested that localities prioritise vaccination for workers in the agricultural sector and strive to ensure that pandemic safety measures in safe and low-risk areas are favourable for workers to resume production activities.