night time humidity help

hey guys i have been battleing nighty humidity spikes up to 70 % at night i have my dehumidifier running but the nightly temps are still to high with the unit runing all night, it looks like nute burn but its not its happening when i shut the lights off i know i always lose lower foliage once i start flowering but they are almost crispy eagle claws ? i keep my nightly humidity to 50 % with the unit running what else can i do to help stop the wilt and get the leafs to breath a bit better untill this heat wave is over. thx guys

sounds like u got a fight on your hands mate make sure u got a fan in there circulating the air around your plants thats all i can really think to suggest as ur using a dehumid