NEWS OF MYSELFews From My Life

Titles follow special capitalization rules, but should not be entirely capitalized as done here.

Edited for more natural phrasing

Well, I just wanted to say that I'm from Seville, Spain, and the weather here is being horrible,; it's boiling hot.

Even though you were expressing a current feeling, we will almost always say "I wanted to say..." when immediately stating something.
It's good to include "Spain" because many of us are poor in geography.

I do not recommend that you to visit this city during this season.

MoreoverPlus/Also/What's more, my air conditioner doesn't work, so my family and I are suffering a lot.

"Moreover" is a fairly formal word that is basically unused outside of a professional setting (so it seems out of place in your text); I offered three more natural options

Every summer, we have the same problem,: our air conditioner stops working.

We always have it repaired by a mechanic h. However, by the year afternext year it becomes useless again, it's annoying.

Well, I just want to say that I'm from Seville and the weather here is being horrible, i. It's boiling.

I think yours was fine but it's less natural.

We always have it repaired by a mechanic; however, thenext year after, it becomes useless again, i. It's annoying.