---
title: "Santa Eufemia 2026: when and where it's a public holiday — festivos.io"
description: "Santa Eufemia is a local holiday in 7 municipalities, accounting for 56,179 residents in the 2025 register. In 2026 it falls on 16 September."
source: "https://festivos.io/en/holiday/santa-eufemia"
---

# Santa Eufemia

Santa Eufemia is a local holiday in 7 municipalities — 56,179 residents in the 2025 register. In 2026 it falls on 16 September; below, where and when it's celebrated.

- **Level:** Local holiday
- **Date 2026:** Wednesday 16 September
- **Municipalities:** 7
- **Residents · 2025 register:** 56,179
- **Where most:** Castilla y León (2)

## Santa Eufemia in the working calendar

In 2026, the dataset records Santa Eufemia as a local holiday in 7 municipalities, accounting for 56,179 residents in the 2025 register. The most common date is 16 September 2026. 1 municipalities set it on another date.

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

## Demographics of the covered population

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

| Demographic profile | % |
| --- | --- |
| Women / men | 50.4% / 49.6% |
| Aged 0–14 | 13.9% |
| Aged 15–64 | 68.7% |
| Aged 65+ | 17.4% |
| Foreign citizenship | 9.8% |
| Born outside Spain | 16.9% |
| Weighted mean age | 43.4 years |


### How it differs from its surroundings

Comparison with Spain and with the aggregate of the 4 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 profile | Covered population | Compared with Spain | Compared with its 4 regions |
| --- | --- | --- | --- |
| Aged 0–14 | 13.9% | +1 pp | +2.6 pp |
| Aged 65+ | 17.4% | -3.3 pp | -8.7 pp |
| Foreign citizenship | 9.8% | -4.3 pp | +1.4 pp |
| Born outside Spain | 16.9% | -2.3 pp | +3.7 pp |
| Weighted mean age | 43.4 years | -1.2 years | -4.5 years |

The largest difference from Spain is in “Foreign citizenship”: -4.3 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](<https://www.ine.es/dynt3/inebase/index.htm?capsel=11532&padre=11555>).

## Dates of Santa Eufemia

In 2026 it falls on Wednesday 16 September in most municipalities. 1 move it to another date (when it lands on a weekend or by local agreement).

| Year | Main date | Municipalities |
| --- | --- | --- |
| 2024 | Monday, 16 September | 7 |
| 2025 | Tuesday, 16 September | 6 |
| 2026 | Wednesday, 16 September | 7 |

## 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](<https://www.ine.es/dyngs/INEbase/operacion.htm?c=Estadistica_C&cid=1254736177011&idp=1254734710990>).

[INE municipal tables 68535 and 68541](<https://www.ine.es/dynt3/inebase/index.htm?capsel=11532&padre=11555>).

- [Gobierno de La Rioja — Calendario de fiestas locales (BOR)](<https://ias1.larioja.org/boletin/Bor_Boletin_visor_Servlet?referencia=36153930-1-PDF-571537>)
- [Gobierno de Navarra — Fiestas locales (datos abiertos)](<https://datosabiertos.navarra.es/es/datastore/dump/f48e36ae-a700-4796-ab37-9ec0a353cfa1?format=csv&bom=True>)
- [Junta de Castilla y León — Fiestas locales (datos abiertos)](<https://analisis.datosabiertos.jcyl.es/api/explore/v2.1/catalog/datasets/fiestas-locales-calendario-de-fiestas-de-caracter-local/exports/csv?where=fecha_fiesta%3E%3D%272026-01-01%27+and+fecha_fiesta%3C%3D%272026-12-31%27>)
- [Xunta de Galicia — Calendario laboral (datos abiertos)](<https://abertos.xunta.gal/es/catalogo/economia-empresa-emprego/-/dataset/0684/calendario-laboral-2026/001/>)

## 7 municipalities celebrate Santa Eufemia

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

Together, they account for 56,179 residents in the INE municipal register at 1 January 2025.

**Castilla y León** (2): Pereruela, Villaseco del Pan

**Comunidad Foral de Navarra** (2): Santacara, Villafranca

**Galicia** (2): Arteixo, Oroso

**La Rioja** (1): Villamediana de Iregua


## About Santa Eufemia

### When is Santa Eufemia in 2026?

In 2026, Santa Eufemia is mainly celebrated on 16 September 2026 (Wednesday). Some municipalities move it to another date on the working calendar.

### In how many municipalities is Santa Eufemia a holiday?

It's a local holiday in 7 municipalities in 2026, accounting for 56,179 residents in the 2025 register; mostly in Castilla y León (2 municipalities).

### Is Santa Eufemia a national holiday?

No. Santa Eufemia 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

- Saint Isidore the Laborer (488 municipalities)
- San Roque (278 municipalities)
- Segona Pasqua (189 municipalities)
- Martes de Entroido (186 municipalities)
- San Isidro Labrador (163 municipalities)
- San Blas (151 municipalities)
- San Vicente Ferrer (142 municipalities)
- San Pedro (136 municipalities)

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.

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Data: festivos.io — CC BY 4.0. Official source: State Official Gazette (BOE) and regional gazettes (Law 37/2007).
