In September 2014, Maradona met with Pope Francis in Rome, crediting Francis for inspiring him to return to religion after many years away; he stated, "We should all imitate Pope Francis. If each one of us gives something to someone else, no one in the world would be starving."
In September 2014, TNT acquired the cable rights for Avengers: Age of Ultron, Captain America: Civil War, and three other films, to air on the network two years after their theatrical releases. The films had previously aired on FX since 2008.
On September 3, 2014, In a 55-minute-long video, al-Zawahiri announced the formation of a new wing called al-Qaeda in the Indian Subcontinent (AQIS), which would wage jihad "to liberate its land, to restore its sovereignty, and to revive its Caliphate." Reaction amongst Muslims in India to the formation of the new wing was one of fury.
At the subsequent 2014 Wales summit, the leaders of NATO's member states formally committed for the first time to spend the equivalent of at least 2% of their gross domestic products on defence by 2024, which had previously been only an informal guideline.
By September 2014, Netflix had subscribers in over 40 countries, with intentions of expanding their services in unreached countries. By October 2018, Netflix's customer base reached 137 million worldwide, confirming its rank as by far the world's biggest online subscription video service.
In September 2014, Gaga released a collaborative jazz album with Tony Bennett titled Cheek to Cheek. Before the album was released, it produced the singles "Anything Goes" and "I Can't Give You Anything but Love". Cheek to Cheek received generally favorable reviews. The record was Gaga's third consecutive number-one album on the Billboard 200 and won a Grammy Award for Best Traditional Pop Vocal Album.
In September 2014, Branson announced his investment in drone company 3D Robotics stating, "It's amazing to see what a little flying object with a GoPro attached can do. Before they came along the alternative was an expensive helicopter and crew. I'm really excited about the potential 3D Robotics sees in drones. They can do a lot of good in the world, and I hope this affordable technology will give many more people the chance to see our beautiful planet from such a powerful perspective."
Erdoğan also tightened controls over the internet, signing into law a bill which allows the government to block websites without prior court order on 12 September 2014. In November 2016, the Turkish government blocked access to social media in all of Turkey as well as bought to completely block internet access for the citizens in the Southeast of the country.
On 28 August 2014, Van Basten took a leave of absence for the following match against Dordrecht, with multiple Dutch news outlets reporting he was suffering of stress-related heart palpitations, and was replaced by assistant coaches Alex Pastoor and Dennis Haar. Later, on 3 September, AZ confirmed Van Basten was given an extended leave of absence until 14 September.On 16 September 2014, parties agreed Van Basten would relinquish his role as manager in order to sign a new contract as assistant coach until 2016; this was motivated by Van Basten himself, who stated the stress caused by his full-time role as head coach was causing him physical and mental issues. He finished his stint with two wins and three losses in five matches.
On 16 September 2014, Immobile scored his first goal for the club, opening a 2–0 home win over Arsenal in the group stages of the Champions League. He scored four goals in six Champions League matches, in a 3–0 away win over Anderlecht, in a 4–1 home win over Galatasaray and in a 1–1 home draw vs Anderlecht, with Borussia qualifying as first from the group. On 17 December 2014, Immobile assisted the first goal and scored the second on a 2–2 home draw with Wolfsburg.
Ardern stood again in Auckland Central at the 2014 general election. She again finished second though increased her own vote and reduced Kaye's majority from 717 to 600. Ranked 5th on Labour's list Ardern was still returned to Parliament where she became Shadow spokesperson for Justice, Children, Small Business, and Arts & Culture under new leader Andrew Little.
On September 30, 2014, Microsoft announced Windows 10 as the successor to Windows 8.1. It was released on July 29, 2015, and addresses shortcomings in the user interface first introduced with Windows 8. Changes on PC include the return of the Start Menu, a virtual desktop system, and the ability to run Windows Store apps within windows on the desktop rather than in full-screen mode. Windows 10 is said to be available to update from qualified Windows 7 with SP1, Windows 8.1 and Windows Phone 8.1 devices from the Get Windows 10 Application.