Eu sempre lembro de levar o guarda-chuva quando chove.

Because lembrar de + infinitive is a very common way to say to remember to do something in Brazilian Portuguese.

• lembrar de levar = to remember to bring
• esquecer de levar = to forget to bring

So in this sentence:

• Eu sempre lembro de levar o guarda-chuva = I always remember to bring the umbrella

In everyday Brazilian Portuguese, the de is very natural here.

Both can relate to remembering, but learners often notice two common patterns:

1. lembrar de algo / lembrar de fazer algo
   Very common in everyday Brazilian Portuguese.

   • Lembro de você.
   • Lembro de levar as chaves.

2. lembrar-se de algo / lembrar-se de fazer algo
   Also correct, often a bit more formal or more explicitly reflexive.

   • Eu me lembro de você.
   • Eu me lembro de levar as chaves.

So your sentence could also be:

• Eu sempre me lembro de levar o guarda-chuva quando chove.

In spoken Brazilian Portuguese, many people simply say lembro de.

Because after lembrar de, Portuguese often uses an infinitive to express remembering to do an action.

• levar = to bring / to take
• lembrar de levar = to remember to bring/take

This structure is very similar to English:

• I remember to bring...
• Eu lembro de levar...

Other examples:

• Ela lembrou de ligar. = She remembered to call.
• Nós esquecemos de comprar pão. = We forgot to buy bread.

Portuguese levar often covers meanings that in English are split between take and bring, depending on perspective.

In this sentence, levar o guarda-chuva can be translated naturally as:

• bring the umbrella
• or sometimes take the umbrella

English chooses between bring and take more strictly based on direction or point of view. Portuguese is often less strict here in everyday usage.

So even if the translation says bring, levar is perfectly normal.

Portuguese usually uses definite articles more often than English.

So:

• o guarda-chuva = the umbrella

Even when English might say an umbrella, my umbrella, or just umbrella in a general way, Portuguese often still uses an article.

Also, in this sentence, o guarda-chuva can sound like the umbrella / my umbrella / the umbrella I use, depending on context. Portuguese often relies on context more than English does.

Because Portuguese often leaves possession implied when it is obvious from context.

So:

• levar o guarda-chuva can naturally mean bring the umbrella or bring my umbrella, depending on the situation.

If the speaker wants to emphasize ownership, they could say:

• Eu sempre lembro de levar meu guarda-chuva quando chove.

But it is not necessary.

Yes. In most contexts, you can say:

• Sempre lembro de levar o guarda-chuva quando chove.

Portuguese often drops subject pronouns because the verb ending already shows who the subject is.

• lembro clearly means I remember

Including Eu is still correct. It can add emphasis, contrast, or clarity.

• Eu sempre lembro... = maybe emphasizing I specifically

Because adverbs like sempre often come before the verb in Portuguese.

• Eu sempre lembro... = I always remember...

That is the most neutral and natural placement.

You may also hear other placements in some contexts, but Eu sempre lembro is the standard, straightforward version for learners.

It means when it rains.

Here:

• quando = when
• chove = it rains / is raining

This clause gives the condition or situation in which the main action happens:

• Eu sempre lembro de levar o guarda-chuva = main idea
• quando chove = when that happens

So the whole sentence means that the speaker remembers to take the umbrella in rainy situations.

Because weather verbs in Portuguese usually do not need an expressed subject.

In English, we say:

• it rains
• it’s cold

But in Portuguese, the subject is not stated:

• chove = it rains
• está frio = it is cold

The it in English is just a grammatical placeholder. Portuguese does not need that here.

Yes. The present tense in Portuguese is often used for habitual or repeated actions, just like in English.

• Eu sempre lembro... = I always remember...
• quando chove = when it rains

This does not mean only right now. It can describe a regular pattern.

So the sentence expresses a habit:

• Whenever it rains, I remember to bring the umbrella.

Yes, but the meaning changes slightly.

• quando chove = when it rains in a general or habitual sense
• quando está chovendo = when it is raining more specifically, focusing on the ongoing action

In your sentence, quando chove is better because the whole idea is habitual:

• I always remember to bring the umbrella when it rains

If you said:

• Eu sempre lembro de levar o guarda-chuva quando está chovendo

it sounds more like when it is raining, which is possible, but a little less general.

Yes, and that can confuse learners.

lembrar can mean:

1. to remember

   • Eu lembro de você. = I remember you.

2. to remind

   • Isso me lembra minha infância. = That reminds me of my childhood.
   • Me lembra de ligar para ela. = Remind me to call her.

So the meaning depends on the structure and context. In your sentence, Eu sempre lembro de levar... clearly means I always remember to bring...

Yes, it is natural and correct.

A Brazilian speaker would understand it immediately, and it sounds normal. You might also hear slightly different but equally natural versions, such as:

• Sempre lembro de levar o guarda-chuva quando chove.
• Eu sempre me lembro de levar o guarda-chuva quando chove.

All of these are good everyday Brazilian Portuguese.