Spanish vocabulary · Beginner
How to Say September in Spanish: Septiembre (and the Setiembre Variant)
Septiembre · noun · sehp-TYEHM-breh
September in Spanish is septiembre, a masculine noun. In Spanish, months are written in lowercase unless they begin a sentence. The form setiembre — without the p — is also accepted by the Real Academia Española and appears regularly in Peru and parts of Argentina.
sehp-TYEHM-breh — three syllables with the stress on the second; the p before t is subtle but present
Las clases empiezan en septiembre.
Classes start in September.
September in Spanish: Quick Reference
Below are the most common Spanish words for september, with pronunciation and regional usage notes.
| Spanish | English | Pronunciation | Region / Register |
|---|---|---|---|
| septiembre | september | sehp-TYEHM-breh | Default, widely understood |
| setiembre | september | accepted variant in parts of Latin America (Peru, Argentina) |
How Native Speakers Use Septiembre
Real example sentences across three contexts you'll actually run into.
School calendar
Mi hijo entra a la escuela el primero de septiembre.
My son starts school on the first of September.
Dates in Spanish use the format el + number + de + month.
Birthday
Nací el quince de septiembre de mil novecientos noventa.
I was born on September fifteenth, nineteen ninety.
Stating a birthday with a full date uses de between each element.
Weather observation
En septiembre ya empieza a refrescar por las noches.
In September it already starts to cool down at night.
Talking about seasonal weather changes in the Northern Hemisphere.
Avoid These Mistakes When Using Septiembre
Capitalizing the month
Incorrect: Nos vemos en Septiembre.
Correct: Nos vemos en septiembre.
Months are always lowercase in Spanish—septiembre, not Septiembre—unless the word happens to open a sentence.
Skipping the p entirely in formal writing
Incorrect: setiembre (in a formal essay for a Spanish audience)
Correct: septiembre
While setiembre is accepted colloquially and in some regions, septiembre is the standard spelling for formal and academic writing.
Lock in September Vocabulary with the Parrot Method
Why word lists alone don't stick
Memorizing a translation feels productive, but most learners forget 70% of what they studied within 48 hours. Vocabulary needs spaced repetition AND real-world exposure to transfer to long-term memory.
See Septiembre used by native speakers
Parrot's short-form videos feature native speakers using septiembre in real situations. Context-based exposure beats flashcards, you hear Las clases empiezan en septiembre. while watching someone live the moment, connecting meaning, sound, and rhythm at once.
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Common Questions About September in Spanish
- Is setiembre wrong?
- The Real Academia Española lists setiembre as an accepted variant alongside septiembre. It is especially common in Peru and parts of Argentina. However, septiembre remains the more widely recognized and formal form.
- Do you capitalize months in Spanish?
- Unlike English, Spanish writes all months—enero, febrero, marzo through diciembre—in lowercase unless they start a sentence.
- How do you write a date with September in Spanish?
- Use the format el + day + de + septiembre + de + year. For example: el 21 de septiembre de 2026. The day comes before the month, opposite to American English.