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iOS 27's public release is almost here.
Photo: Rajesh Pandey/Cult of Mac

UPDATE: This article is now moot because the wait is over! iOS 27 is now out for everyone:

• iOS 27 arrives with a smarter Siri and fixes you’ll actually notice

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iOS 27, iPadOS 27, watchOS 27 and macOS Golden Gate are ready for public release. After previewing the updates at WWDC26 in June, Apple will release them on Monday, September 14.

But when exactly does iOS 27 land on your iPhone on September 14? Here’s when you can expect Apple’s latest updates to go live in your region. (Though you have the option to skip the wait and get iOS 27 now.)

Apple confirmed the September 14 release date for iOS 27, iPadOS 27 and macOS Golden Gate during its Surprise and Shine event on September 9. But it didn’t provide an exact release time.

Based on the company’s usual rollout schedule, iOS 27, iPadOS 27 and watchOS 27 should arrive around 10 a.m. Pacific time. Other updates will likely also go live at the same time, although Apple could stagger their release.

Make sure to check the iOS 27, iPadOS 27 and macOS Golden Gate compatibility list to see if your iPhone, iPad or Mac will get the update.

Below are the expected release times based on that 10 a.m. Pacific window. All times are for Monday, September 14, unless otherwise noted. Do note that the time below are estimates, not an official release schedule.

• Abu Dhabi, United Arab Emirates: 9 p.m.
• Adelaide, Australia: 2:30 a.m. (Tuesday, September 15)
• Anchorage, Alaska: 9 a.m.
• Athens, Greece: 8 p.m.
• Auckland, New Zealand: 5 a.m. (Tuesday, September 15)
• Bangkok, Thailand: Midnight (Tuesday, September 15)
• Beijing, China: 1 a.m. (Tuesday, September 15)
• Berlin, Germany: 7 p.m.
• Bogotá, Colombia: Noon
• Cairo, Egypt: 8 p.m.
• Chicago, United States: Noon
• Denver, United States: 11 a.m.
• Dhaka, Bangladesh: 11 p.m.
• Dubai, United Arab Emirates: 9 p.m.
• Helsinki, Finland: 8 p.m.
• Hong Kong: 1 a.m. (Tuesday, September 15)
• Honolulu, Hawaii: 7 a.m.
• Johannesburg, South Africa: 7 p.m.
• London, United Kingdom: 6 p.m.
• Los Angeles, United States: 10 a.m.
• Melbourne, Australia: 3 a.m. (Tuesday, September 15)
• Moscow, Russia: 8 p.m.
• Mumbai and New Delhi, India: 10:30 p.m.
• Nairobi, Kenya: 8 p.m.
• New York, United States: 1 p.m.
• Paris, France: 7 p.m.
• Perth, Australia: 1 a.m. (Tuesday, September 15)
• Riyadh, Saudi Arabia: 8 p.m.
• San Francisco, United States: 10 a.m.
• São Paulo, Brazil: 2 p.m.
• Seoul, South Korea: 2 a.m. (Tuesday, September 15)
• Singapore: 1 a.m. (Tuesday, September 15)
• Sydney, Australia: 3 a.m. (Tuesday, September 15)
• Taipei, Taiwan: 1 a.m. (Tuesday, September 15)
• Tehran, Iran: 8:30 p.m.
• Tokyo, Japan: 2 a.m. (Tuesday, September 15)
• Toronto, Canada: 1 p.m.
• Vancouver, Canada: 10 a.m.
• Vienna, Austria: 7 p.m.
• Washington, D.C.: 1 p.m.

If your city is missing, you can check the expected release time in your local time zone.

Apple Vision Pro will also get visionOS 27 the same day.

You don’t need to wait to install iOS 27 until Monday, September 14, though. You can install iOS 27 right away on your iPhone if you are willing to tap a few extra buttons.  

Siri gets a major upgrade

Siri AI is one of the biggest additions across Apple’s new operating systems. The revamped assistant supports more natural conversations, can find information across your apps and takes on more tasks using your personal context.

A dedicated Siri app also keeps your conversations in one place, letting you start on your iPhone and continue on your iPad.

Apple Intelligence improves the experience of using everyday apps as well. Photos gains new editing tools, while Safari can monitor webpages for changes, including price drops and restocks. Apple also promises improvements to responsiveness and refinements to Liquid Glass.

Keep in mind that installing the latest OS does not automatically give your device every new AI feature. Siri AI requires compatible hardware and begins rolling out in beta in English on September 14, with additional languages following in October.

Get your devices ready for the update

Before installing, back up your device and clear out unused apps or downloaded media if storage is running low. The space required will vary by device and update.

Once iOS 27 and iPadOS 27 arrive, check Settings → General → Software Update. On your Mac, head to System Settings → General → Software Update.

If the update does not appear immediately at the expected time,  wait for a few minutes and check again.