no fim do mês

at the end of the month

→ no
phrase Rare #36,303
at the end of the month Used to refer to the final part of a month. Depending on context, it can also mean by the end of the month.
PO: Vou pagar a conta no fim do mês.
EN: I'll pay the bill at the end of the month.

As contas vencem no fim do mês.

The bills are due at the end of the month.

— Dinheiro Suspeito (2026)

Ele teria gastado todo o seu dinheiro no fim do mês.

He would have spent all his money by the end of the month.

Claro, no fim do mês!

Sure, at the end of the month!

— Os Incompreendidos (1959)

Decidi sair do meu emprego no fim do mês.

I decided to leave my job at the end of the month.

Eu tenho tão pouco dinheiro no fim do mês.

I have so little money left at the end of the month.