At least eight people have been killed and 170 wounded in protests since the army's power grab earlier this week.
"In Afghanistan, girls and women are seeing a rapid reversal of the rights they achieved in recent decades, including their right to a seat in the classroom," Antonio Guterres said.
Ministers of the five veto-wielding nations on the UN's most powerful body - Britain, China, France, Russia and the United States - will meet together Wednesday during the annual week of diplomacy, with the Taliban takeover of Afghanistan high on the agenda.
The summit will feature the first speech to the world body by US President Joe Biden, who has described a rising and authoritarian China as the paramount challenge of the 21st century.
The figure would shatter the temperature targets of the Paris climate agreement, which aimed for warming well below 2C and preferably capped at 1.5C above pre-industrial levels.
The 15-member council issued a joint statement after UN Secretary-General Antonio Guterres told the meeting that the world must unite to combat the 'global terrorist threat in Afghanistan.'
Antonio Guterres warned the crisis was far from over despite rapidly advancing vaccination rollouts in wealthy parts of the world.
The Israeli army has launched hundreds of air strikes on the Gaza Strip since Monday, while Palestinian militants have launched more than 1,000 rockets in some of the worst violence in seven years.
During the pandemic, women have been more exposed than men to harmful consequences, Guterres said, citing loss of jobs, sexual abuse or child marriage.
Secretary-General Antonio Guterres voiced alarm that just 10 nations have administered 75% of doses so far - and 130 countries have had none at all.
The Climate Ambition Summit, being held online, comes as the United Nations warns current commitments to tackle rises in global temperatures are inadequate.
The country has endured a five year war between Iranian-backed Huthi rebels and government forces.
Guterres said that as of mid-July schools were closed in some 160 countries, affecting more than 1 billion students, while at least 40 million children have missed out on pre-school.
United Nations Secretary-General Antonio Guterres said COVID-19 had put the spotlight on injustices.
The virtual meeting, hosted by Britain, aims to raise $7.4 billion for immunisation programmes stalled by the pandemic, and launch a new fundraising drive to support potential COVID-19 vaccines.
Since the call by Antonio Guterres in March for ceasefires, announcements backing the end of fighting have been made in countries including Afghanistan, the Philippines and Cameroon, but conflicts have continued to rage in Libya, Yemen and elsewhere.
According to Antonio Guterres, migrants and refugees have been 'vilified as a source of the virus -- and then denied access to medical treatment.'
Antonio Guterres has warned that the state of women’s rights was dire and said he would seek to end 'default male thinking' across the United Nations.
