festivos.io

San Miguel Arcángel

San Miguel Arcángel is a local holiday in 35 municipalities — 191,181 residents in the 2025 register. In 2026 it falls on 29 September; below, where and when it's celebrated.

Level
Local holiday
Date 2026
Tuesday 29 September
Municipalities
35
Residents · 2025 register
191,181
Where most
Castilla y León (13)
CEML
Mapa base: @svg-maps/spain · CC BY 4.0
fewermore municipalities

Verified data

San Miguel Arcángel in the working calendar

In 2026, the dataset records San Miguel Arcángel as a local holiday in 35 municipalities, accounting for 191,181 residents in the 2025 register. The most common date is 29 September 2026. 9 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

50.6% / 49.4%

Aged 0–14

14.6%

Aged 15–64

67%

Aged 65+

18.4%

Foreign citizenship

12%

Born outside Spain

18.5%

Weighted mean age

43 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 0–1414.6%+1.7 pp+1.5 pp
Aged 65+18.4%-2.3 pp-2.4 pp
Foreign citizenship12%-2 pp-1.3 pp
Born outside Spain18.5%-0.8 pp+0.6 pp
Weighted mean age43 years-1.5 years-1.5 years

The largest difference from Spain is in “Aged 65+”: -2.3 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.

When

Dates of San Miguel Arcángel

In 2026 it falls on Tuesday 29 September in most municipalities. 9 move it to another date (when it lands on a weekend or by local agreement).

YearMain dateMunicipalities
2024Monday, 30 September16
2025Monday, 29 September28
2026Tuesday, 29 September35

Traceability

Official sources

Official documents linked by the 2026 records. Dates can vary by territory; each municipality page preserves its specific source.

Population: official municipal-register figures at 1 January 2025. INE.

INE municipal tables 68535 and 68541.

Where it's a holiday

35 municipalities celebrate San Miguel Arcángel

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

Together, they account for 191,181 residents in the INE municipal register at 1 January 2025.

FAQ

About San Miguel Arcángel

When is San Miguel Arcángel in 2026?

In 2026, San Miguel Arcángel is mainly celebrated on 29 September 2026 (Tuesday). Some municipalities move it to another date on the working calendar.

In how many municipalities is San Miguel Arcángel a holiday?

It's a local holiday in 35 municipalities in 2026, accounting for 191,181 residents in the 2025 register; mostly in Castilla y León (13 municipalities).

Is San Miguel Arcángel a national holiday?

No. San Miguel Arcángel 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.