Santiago de Compostela in Fall
In fall (September, October and November), Santiago de Compostela sees average daytime highs around 18°C and overnight lows near 11°C, with 360 mm of rain over about 38 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 22°C in early September to 12°C by late November. The sky is clear or mostly clear about 24% of the time across fall, and the air most often feels dry.
Fall is Santiago de Compostela's 2nd-best season to visit on our travel score. For the whole year in context, see Santiago de Compostela's year-round climate.
- Avg daytime high
- 18°C
- 2nd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 360 mm
- 38 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Santiago de Compostela in Fall
Over the season highs ease from about 22°C in early September to 12°C by late November.
A typical fall day in Santiago de Compostela reaches about 18°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.
Santiago de Compostela weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 6° | 141 | 13.9 | 9.2 | 2.5 |
| Feb | 12° / 6° | 100 | 11.6 | 10.2 | 3.0 |
| Mar | 14° / 7° | 106 | 12.1 | 11.6 | 3.9 |
| Apr | 15° / 8° | 115 | 14.4 | 13.1 | 4.1 |
| May | 18° / 10° | 92 | 13.1 | 14.4 | 5.2 |
| Jun | 20° / 12° | 54 | 8.7 | 15.1 | 6.5 |
| Jul | 22° / 14° | 30 | 5.9 | 14.8 | 7.5 |
| Aug | 23° / 14° | 44 | 7.2 | 13.8 | 7.4 |
| Sep | 21° / 13° | 69 | 9.1 | 12.3 | 6.7 |
| Oct | 18° / 11° | 140 | 13.5 | 10.8 | 5.2 |
| Nov | 14° / 8° | 151 | 15.3 | 9.5 | 3.5 |
| Dec | 12° / 6° | 142 | 13.8 | 8.9 | 2.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 24% of the time across fall.
Chance of precipitation in Fall
Santiago de Compostela gets around 360 mm of rain over 38 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.9 kWh/m².
Is fall a good time to visit Santiago de Compostela?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Santiago de Compostela for sightseeing.
What to pack for Santiago de Compostela in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Santiago de Compostela sees daytime highs around 18°C and nights near 11°C. Pack rain gear. Worth having: a warm layer. About 38 days see rain.
Sea temperature near Santiago de Compostela in Fall
The nearest coast averages about 16°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 47 km away) is warmest in August at about 17°C and coldest in February near 13°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 16 | 15 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 14 | Bracing |
| May | 15 | Bracing |
| Jun | 16 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 16 | Cool |
| Nov | 15 | Cool |
| Dec | 14 | Bracing |
UV index in Santiago de Compostela in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santiago de Compostela peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 5 | 6 | 7 | 8 | 9 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Santiago de Compostela?
Santiago de Compostela sits at 42.9°N, 8.5°W, 257 m above sea level, in Spain. The nearest listed city is Teo, 10 km away.
Topography around Santiago de Compostela
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago de Compostela.
Within 3 km, the terrain around Santiago de Compostela has significant variations in elevation — a maximum elevation change of 332 m around an average of 265 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 519 m; within 80 km, large variations in elevation — a maximum elevation change of 1,174 m.
The land around Santiago de Compostela is covered by trees (48%), artificial surfaces (29%) and grassland (22%) within 3 km, trees (64%) and grassland (24%) within 16 km, and trees (45%), water (30%) and grassland (21%) within 80 km.
Spain travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $38,627
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 3.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 540
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santiago de Compostela (42.8805°, -8.5457°, elevation 257 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.