you still have a couple weeks to get seeds in the ground and get a yield.
Suggested Autoflowers:
Advanced Seeds Bio Diesel Mass
Advanced Seeds Auto Skunk Mass
Female Seeds Auto Bubble
Female Seeds Auto AK
White Label Skunk Automatic
Delicious Seeds Northern Light Blue Auto
Short Stuff Seedbank Super Stinky
Biohazard Seeds Auto Somachigun
Expert Seeds Amensia Haze Auto
Mystic Seeds Auto Mystic
Makka Seeds Super Auto Skunk
Pyramid Seeds Blue Pyramid Auto
Suggested Photoperiods:
Pyramid Seeds Blue Pyramid
Advanced Seeds Heavy Bud
Gage Green Group... Banana Puff, Daybreaker, Mendodawg, Candy Drop
Most autos take around 12 weeks from seed to harvest.. it would only take around 14 weeks for a photoperiod to finish.. is that 2 weeks that important where you live? i would vote for doing a photoperiod strain at this point.. maybe try autoflowering next year earlier for an early harvest.