Traditionally Google releases its monthly Android update for still-supported Pixels on the first Monday of each month, with the only exceptions being when that Monday happens to be a holiday in the US. That was the case yesterday - Labor Day - which means the rollout was delayed by one day... until today. So now Google is ready to give its Pixels the September Android security update. This has started rolling out today, but as usual with Google it may take many days (or even weeks) for the software to reach all of the devices that are out there in the wild. The new build number is...
Source: https://www.gsmarena.com/google_rolls_out_september_android_update_for_its_pixels-news-50842.php