When someone goes out in the sun, they get hot. That’s just how it is. Someone standing out in the sun for a long time will inevitably get hot. The sun is hot, and it makes you get hot too.
You need to get out of this hot sun and into some air conditioning. Then you remember there’s a great air conditioning unit at Suzie’s (あつ) house. Ah, Suzie – our savior! If you need me, I’ll be at Suzie’s place.