Pangu team released iOS 9 Jailbreak today for untethered jailbreak iOS 9.

Publisher:	Pangu Team Inc
Downloads:	1
Software Type:	Freeware, 0.00
File Size:	73.30M
OS:	Windows All
Update Date:	15 October, 2015

Pangu 9 is the best freeware for jailbreak iOS 9 through 9.0.2 untethered.
Pangu 9 supported devices
iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone 5c, iPhone 5 and iPhone 4s
iPad Air 2, iPad Air, iPad 4, iPad 3 and iPad 2
Retina iPad mini, 1st gen iPad mini, iPad mini 3, iPad mini 4
5th generation iPod touch, 6th generation iPod Touch.
Pangu 9 Step by step guide
Connect your device to the PC via USB cable.
Run pangu 9.
Wait until pangu identify your device.
click Black Jailbreak button
pangu will start jailbreak process and reboot your device after few minutes.
Process will complete itself and you will have Cydia icon at the end of pangu Jailbreak.