Can I travel to India on 8th Aug and return to US on 5th sept on L2 visa which expires on 21st sept ?

If my husband L1A visa is applied for green card ,Can I travel to India during the processing of green card on my L2 dependent visa which expires on 21st sept,2016?

Green card is a lengthy process. What stage of the processing will you be traveling? During AOS (I-485) processing, you should remain inside US.