I don't know what to do!

I have a above ground pool, about 5 weeks ago, my pump broke, and i left the pool with out a cover on and i stoped putting chlorine in it and now i just got a new pump thats comming friday, the water is all green, bugs everywhere,

What should i do since its septmeber?

Should i try to clean the pool, if so how?

Should i leave it alone and wait for spring, if so do i need to put a cover on cause i dont have a cover.

I cant take the pool down.