Los Vilos weather in September

In September, Los Vilos sees average daytime highs of 15°C and overnight lows near 9°C, with 14 mm of rain across 2 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Los Vilos's 9th-clearest and 4th-windiest month. For the whole year in context, see Los Vilos's year-round climate.

Daytime high
15°
9th warmest
Overnight low
4th coldest
Rainfall
14 mm
2 wet days
Daylight
11 h 48 min
7:46 AM – 7:35 PM
Cloud cover
44%
9th clearest
Wind
13 km/h
4th windiest
Solar energy
5.4 kWh/m²
Travel score
5.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 15°C through the month.

A typical September day in Los Vilos reaches about 15°C in the afternoon and slips back to 9°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 17°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1159
2159
3159
4159
5159
6159
7159
8159
9159
10159
11159
12159
13159
14159
15159
16159
17159
181510
191510
201510
211510
221510
231510
241510
251510
261510
271510
281510
291510
301610

Los Vilos weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 14°00.113.98.7
Feb21° / 15°10.113.28.7
Mar20° / 14°40.612.28.3
Apr18° / 12°91.611.27.4
May16° / 10°342.910.46.0
Jun15° / 724.9104.9
Jul14° / 393.910.14.7
Aug14° / 393.610.85.0
Sep15° / 14211.85.6
Oct16° / 10°91.212.86.6
Nov18° / 12°10.313.67.8
Dec19° / 13°00.1148.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66337
76436
86535
96535
106535
116535
126634
136634
146634
156832
166832
176832
186832
196832
206832
216832
226832
236832
246733
256733
266733
276733
286733
296733
306832

Chance of precipitation in September

Any precipitation

Los Vilos gets around 14 mm of rain over 2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 10% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
110
210
310
410
59
69
78
88
98
108
117
127
137
146
156
166
176
185
195
205
215
225
235
245
255
265
275
285
295
305

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over September. Sunrise moves from 8:06 AM to 7:27 AM, and sunset from 7:25 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.38:067:25
211.38:057:26
311.48:047:26
411.48:027:27
511.48:017:28
611.58:007:28
711.57:587:29
811.57:577:30
911.67:567:30
1011.67:547:31
1111.67:537:31
1211.77:527:32
1311.77:507:33
1411.77:497:33
1511.87:477:34
1611.87:467:35
1711.87:457:35
1811.97:437:36
1911.97:427:36
2011.97:417:37
2112.07:397:38
2212.07:387:38
2312.07:367:39
2412.17:357:40
2512.17:347:40
2612.17:327:41
2712.27:317:42
2812.27:307:42
2912.27:287:43
3012.37:277:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.4 kWh/m².

For context, solar energy here swings from a low near 2.84 kWh/m² to a high of 8.9 kWh/m² in December across the year — September's 5.4 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.1Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.4Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
266.0Bright
276.0Intense
286.1Intense
296.1Intense
306.2Intense
Planning a trip in September

Is September a good time to visit Los Vilos?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
9th-best month of the year
0.1
Beach & pool
9th-best month of the year

September is a reasonable time to visit Los Vilos for sightseeing.

What to pack for Los Vilos in September

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

In September, Los Vilos sees daytime highs around 15°C and nights near 9°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

Sea temperature near Los Vilos in September

The nearest coast averages about 13°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 18°C and coldest in August near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb18Cool
Mar17Cool
Apr16Cool
May15Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep13Bracing
Oct14Bracing
Nov15Bracing
Dec16Cool

UV index in Los Vilos in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Los Vilos peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 18UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Very high
Apr5High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Very high
Nov11Extreme
Dec12Extreme

Air quality in Los Vilos in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Los Vilos is worst in July — around 31 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (February, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1731 µg/m³Feb 1914 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb14Moderate
Mar15Moderate
Apr23Moderate
May29Moderate
Jun29Moderate
Jul31Moderate
Aug29Moderate
Sep27Moderate
Oct18Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Los Vilos?

Los Vilos sits at 31.9°S, 71.5°W, 39 m above sea level, in Chile. The nearest listed city is Illapel, 44 km away.

Topography around Los Vilos

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

Within 3 km, the terrain around Los Vilos has only modest variations in elevation — a maximum elevation change of 156 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,188 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,355 m.

The land around Los Vilos is covered by water (34%), shrubs (27%) and grassland (22%) within 3 km, water (45%) and shrubs (37%) within 16 km, and shrubs (39%), water (31%) and grassland (22%) within 80 km.

3 km
156 m
16 km
1,188 m
80 km
3,355 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Illapel 44 km · La Ligua 65 km · Cabildo 70 km · Quintero 97 km · Hacienda La Calera 100 km · La Calera 101 km · La Cruz 105 km · Putaendo 108 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
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

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 Los Vilos (-31.9129°, -71.5005°, elevation 39 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).