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San Agustín

San Agustín is a local holiday in 26 municipalities in the Spanish working calendar; in 2026 the most common date is 28 August.

Level
Local holiday
Date 2026
Friday 28 August
Municipalities
41
Residents · 2025 register
166,862
Where most
Aragón (10)
CEML
Mapa base: @svg-maps/spain · CC BY 4.0
fewermore municipalities

Verified data

San Agustín in the working calendar

In 2026, the dataset records San Agustín as a local holiday in 41 municipalities, accounting for 166,862 residents in the 2025 register. The most common date is 28 August 2026. 3 municipalities set it on another date.

This comparison uses only the official working calendars incorporated into the dataset for each year.

Demographic profile

Demographics of the covered population

Age, citizenship, birthplace and average-age structure from the 2025 Annual Population Census.

Women / men

51.1% / 48.9%

Aged 0–14

11.2%

Aged 15–64

63.6%

Aged 65+

25.1%

Foreign citizenship

12.3%

Born outside Spain

16.4%

Weighted mean age

47.5 years

How it differs from its surroundings

Comparison with Spain and with the aggregate of the 10 regions where it is observed. All five comparisons are population-weighted and use only the 2025 Annual Census. A positive sign means the covered population has a higher value than the benchmark.

Demographic profileCovered populationCompared with SpainCompared with its 10 regions
Aged 0–1411.2%-1.7 pp-1.9 pp
Aged 65+25.1%+4.4 pp+4.4 pp
Foreign citizenship12.3%-1.8 pp-1.1 pp
Born outside Spain16.4%-2.9 pp-1.5 pp
Weighted mean age47.5 years+3 years+3 years

The largest difference from Spain is in “Aged 65+”: +4.4 pp.

Sex comes from the 2025 municipal register; all other metrics come from the 2025 Annual Census. Each percentage uses the total from its own statistical operation. INE municipal tables 68535 and 68541.

What is San Agustín

In the working calendar, Saint Augustine appears as a local holiday — not as a national or general regional holiday. Each municipality may set up to two local holidays a year; This dedication or name is one of those that most municipalities adopt (26 in the reference index).

In 2026, among the municipalities that record it, the most common date is 28 August. 2 municipalities set it on another date. The communities with the most records are Aragón, Castilla and León, Castilla-La Mancha and the Basque Country. This page summarises the scope verified in the dataset; It does not add legends or local traditions that have not been checked. The details of each municipality keeps its official source.

When

Dates of San Agustín

In 2026 it falls on Friday 28 August in most municipalities. 3 move it to another date (when it lands on a weekend or by local agreement).

YearMain dateMunicipalities
2024Wednesday, 28 August10
2025Thursday, 28 August16
2026Friday, 28 August41

Where it's a holiday

41 municipalities celebrate San Agustín

Its local holiday in 2026, by region. Each municipality links to its annual record and the available official source.

Together, they account for 166,862 residents in the INE municipal register at 1 January 2025.

FAQ

About San Agustín

When is San Agustín in 2026?

In 2026, San Agustín is mainly celebrated on 28 August 2026 (Friday). Some municipalities move it to another date on the working calendar.

In how many municipalities is San Agustín a holiday?

It's a local holiday in 41 municipalities in 2026, accounting for 166,862 residents in the 2025 register; mostly in Aragón (10 municipalities).

Is San Agustín a national holiday?

No. San Agustín is a local-level holiday: it's only a non-working day in the municipalities that set it as their local festival; each keeps its official source.

Other holidays

Per-municipality data with its official source (regional gazette). Every date is verifiable on the municipality page. Data from festivos.io — CC BY 4.0.