Chillán in Spring

In spring (September, October and November), Chillán sees average daytime highs around 19°C and overnight lows near 8°C, with 188 mm of rain over about 17 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 16°C in early September to 24°C by late November. The sky is clear or mostly clear about 46% of the time across spring, and the air most often feels dry.

Spring is Chillán's 2nd-best season to visit on our travel score. For the whole year in context, see Chillán's year-round climate.

Avg daytime high: 19°C; 3rd-warmest season
Avg overnight low: 8°C
Rainfall: 188 mm; 17 wet days
Avg wind: 12 km/h
Travel score: 6.9; 2nd-best season
Months: Sep · Oct · Nov

← Winter Chillán year-round climate Summer →

Spring Summer Fall Winter

Temperature in Chillán in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 16°C in early September to 24°C by late November.

A typical spring day in Chillán reaches about 19°C and drops to 8°C overnight. The warmest of the three months is November, the coolest September.

Chillán 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	27° / 13°	10	1.3	14.2	8.6
Feb	27° / 12°	24	1.8	13.4	8.6
Mar	24° / 11°	23	2.3	12.3	8.7
Apr	20° / 8°	74	5.3	11.1	7.2
May	16° / 7°	193	9.8	10.1	4.8
Jun	13° / 5°	267	13.3	9.5	3.3
Jul	13° / 4°	204	11.5	9.8	3.4
Aug	14° / 5°	168	11.4	10.6	4.2
Sep	17° / 6°	96	7.2	11.8	5.7
Oct	19° / 8°	64	6.5	12.9	6.9
Nov	22° / 9°	29	3.5	14	8.2
Dec	25° / 11°	22	2.4	14.5	8.7

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Chillán gets around 188 mm of rain over 17 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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 12 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 12 min in early September to 14 h 18 min by late November. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.2 kWh/m².

Planning a trip in spring

Hazard calendar for Chillán

In seasonPeak

None of Chillán's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Chillán's rainy season runs May–August, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Chillán?

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.

6.9

Sightseeing

2nd-best month of the year

3.4

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit Chillán for sightseeing.

What to pack for Chillán in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Chillán sees daytime highs around 19°C and nights near 8°C. Pack sun protection. Worth having: light clothes and a warm layer. About 17 days see rain.

sun protectionlight clothesa warm layer

UV index in Chillán in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chillán peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	11	9	5	3	2	3	3	5	8	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	11	Extreme
Mar	9	Very high
Apr	5	Moderate
May	3	Moderate
Jun	2	Moderate
Jul	3	Moderate
Aug	3	Moderate
Sep	5	High
Oct	8	Very high
Nov	10	Extreme
Dec	12	Extreme

Air quality in Chillán in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Chillán is worst in April — around 50 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chillán's WHO annual average of 23.3 µg/m³.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	17	31	37	50	34	19	19	17	17	15	12	11
Level	Moderate	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good

	PM2.5 (µg/m³)	Level
Jan	17	Moderate
Feb	31	Moderate
Mar	37	Poor
Apr	50	Poor
May	34	Moderate
Jun	19	Moderate
Jul	19	Moderate
Aug	17	Moderate
Sep	17	Moderate
Oct	15	Moderate
Nov	12	Moderate
Dec	11	Good

Location & terrain

Where is Chillán?

Chillán sits at 36.6°S, 72.1°W, 132 m above sea level, in Chile. The nearest listed city is Chillán Viejo, 3.0 km away.

Topography around Chillán

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chillán.

Within 3 km, the terrain around Chillán has only modest variations in elevation — a maximum elevation change of 58 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,164 m.

The land around Chillán is covered by artificial surfaces (65%) within 3 km, grassland (33%), trees (31%) and cropland (27%) within 16 km, and trees (50%) and grassland (27%) within 80 km.

3 km

58 m

artificial surfaces 65%

16 km

189 m

grassland 33%

80 km

3,164 m

trees 50%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← Winter Chillán year-round climate Summer →

Spring weather nearby: Chillán Viejo 3.0 km · San Carlos 24 km · Coihueco 24 km · Quillón 37 km · Cabrero 55 km · Coelemu 55 km · Parral 57 km · Cauquenes 74 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 Chillán (-36.6066°, -72.1034°, elevation 132 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.