Santiago in Spring
In spring (September, October and November), Santiago sees average daytime highs around 22°C and overnight lows near 9°C, with 110 mm of rain over about 17 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 18°C in early September to 26°C by late November. The sky is clear or mostly clear about 53% of the time across spring, and the air most often feels dry.
Spring is Santiago's 3rd-best season to visit on our travel score. For the whole year in context, see Santiago's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 9°C
- Rainfall
- 110 mm
- 17 wet days
- Avg wind
- 6 km/h
- Travel score
- 7.5
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Santiago in Spring
Over the season highs climb from about 18°C in early September to 26°C by late November.
A typical spring day in Santiago reaches about 22°C and drops to 9°C overnight. The warmest of the three months is November, the coolest September.
Santiago weather by month
How the three spring 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 | 29° / 16° | 3 | 0.7 | 14 | 7.4 |
| Feb | 29° / 16° | 5 | 0.8 | 13.2 | 7.8 |
| Mar | 27° / 14° | 9 | 1.2 | 12.3 | 8.7 |
| Apr | 23° / 10° | 28 | 3.2 | 11.2 | 8.3 |
| May | 19° / 7° | 62 | 5.9 | 10.3 | 6.7 |
| Jun | 16° / 4° | 109 | 7.3 | 9.8 | 5.2 |
| Jul | 15° / 4° | 86 | 7.1 | 10 | 5.1 |
| Aug | 17° / 5° | 81 | 7.8 | 10.8 | 5.8 |
| Sep | 19° / 7° | 55 | 7.7 | 11.8 | 6.6 |
| Oct | 22° / 9° | 39 | 6.2 | 12.8 | 7.4 |
| Nov | 25° / 12° | 16 | 2.6 | 13.7 | 8.6 |
| Dec | 28° / 14° | 6 | 1.1 | 14.2 | 8.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 53% of the time across spring.
Chance of precipitation in Spring
Santiago gets around 110 mm of rain over 17 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 6 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 14 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.6 kWh/m².
Is spring a good time to visit Santiago?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is one of the better times to visit Santiago for general sightseeing.
What to pack for Santiago in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Santiago sees daytime highs around 22°C and nights near 9°C. Pack sun protection. Worth having: light clothes and a warm layer. About 17 days see rain.
UV index in Santiago in Spring
Clear-sky midday UV across spring averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santiago peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 10 | 5 | 3 | 3 | 3 | 3 | 6 | 9 | 10 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 6 | High |
| Oct | 9 | Very high |
| Nov | 10 | Extreme |
| Dec | 12 | Extreme |
Air quality in Santiago in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Santiago is worst in July — around 45 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (December, 11 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Santiago's WHO annual average of 25.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 13 | 17 | 23 | 33 | 40 | 45 | 40 | 32 | 23 | 15 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 13 | Moderate |
| Mar | 17 | Moderate |
| Apr | 23 | Moderate |
| May | 33 | Moderate |
| Jun | 40 | Poor |
| Jul | 45 | Poor |
| Aug | 40 | Poor |
| Sep | 32 | Moderate |
| Oct | 23 | Moderate |
| Nov | 15 | Moderate |
| Dec | 11 | Good |
Where is Santiago?
Santiago sits at 33.5°S, 70.6°W, 556 m above sea level, in Chile. The nearest listed city is Ñuñoa, 6.0 km away.
Topography around Santiago
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago.
Within 3 km, the terrain around Santiago has only modest variations in elevation — a maximum elevation change of 92 m around an average of 548 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,909 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,036 m.
The land around Santiago is covered by artificial surfaces (91%) within 3 km, artificial surfaces (61%) within 16 km, and shrubs (27%), bare terrain (25%) and grassland (21%) within 80 km.
Chile travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 220 V · 50 Hz
- Prices
- ≈ 48% of US
- price level, 2025
- GDP per capita
- $17,995
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 6.3
- per 100k, 2023
- Road deaths
- 14.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 517
- 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 (-33.4569°, -70.6483°, elevation 556 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.