Rumors on iPhone Light’s release date were at an all-time high before the WWDC 2013, but it was a no-show during the keynote speech and demos. But latest round of rumors, post-WWDC, say that the highly anticipated budget phone by Apple will be released on September 20.

According to Expert Reviews UK, Chinese manufacturer Foxconn is reported to be expanding its staff for mass production of the iPhone Light. There has also been a leaked image of the said iPhone displayed on an assembly line.

“Our teams are hard at work at some amazing new hardware, software, and services that we can’t wait to introduce this fall and throughout 2014,” said Apple CEO Tim Cook in an earnings call.

That statement could be the only official hint from the company that the smartphone could arrive by fall of this year.

Expert Reviews said that you could pick a random date on any autumn month and it could well be the release date of the iPhone Light.

Many speculate on previous differences of a new iOS release and an iPhone release. Observers say that it usually takes Apple 100 days to reveal the new smartphone following an announcement of a major iOS update. By applying the 100 day rule since when the iOS 7 was announced and Apple's history of releasing new hardware on Fridays, the September 20 date was pinpointed.

Expert Reviews said, however, that in 2011, the iOS 5 was announced June 6th and wasn’t actually released until October.

Rumors say that Apple will generally use the same design for the iPhone Light, with this phone serving as an update of the iPhone 5, but at a cheaper price range.

Consumers looking forward to a major iPhone update may have to wait until the iPhone 6 is released, which analysts and speculators say will not arrive until 2014.

According to industry observers, iPhone Light is the tech giant’s attempt to appeal to the lower-income segment of mobile consumers and to those looking to have an Apple alternative to bundle with their non-Apple smartphone.