Vicuña weather in September

In September, Vicuña sees average daytime highs of 16°C and overnight lows near 5°C, with 27 mm of precipitation across 5.4 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 61% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Vicuña's 9th-clearest and 6th-windiest month. For the whole year in context, see Vicuña's year-round climate.

Daytime high
16°
9th warmest
Overnight low
4th coldest
Precipitation
27 mm
5.4 wet days
Daylight
11 h 48 min
7:43 AM – 7:32 PM
Cloud cover
33%
9th clearest
Wind
5 km/h
6th windiest
Solar energy
5.81 kWh/m²
Travel score
6.0
out of 10

Vicuña is settlement in Chile.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical September day in Vicuña reaches about 16°C in the afternoon and slips back to 5°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°20°151015202530
Avg high (°C)Avg low (°C)
1154
2154
3154
4154
5154
6154
7154
8165
9165
10165
11165
12165
13165
14165
15165
16165
17165
18166
19166
20166
21176
22176
23176
24176
25176
26177
27177
28177
29177
30177

Vicuña 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 daysSnow daysDaylight (hours)Travel score
Jan22° / 15°103.6013.78.5
Feb22° / 15°93.6013.18.5
Mar21° / 13°132.6012.28.5
Apr19° / 10°163.1011.37.8
May16° / 334.40.710.56.2
Jun14° / 474.61.810.14.7
Jul13° / 4052.210.34.4
Aug14° / 404.71.710.95.1
Sep16° / 275.40.711.86.0
Oct18° / 234.80.212.77.1
Nov20° / 12°123.2013.58.0
Dec21° / 14°92.6013.98.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37228
47129
57129
67129
77129
87129
97129
107228
117228
127327
137327
147426
157426
167525
177525
187525
197624
207624
217624
227624
237525
247525
257525
267525
277426
287426
297426
307426

Chance of precipitation in September

Any precipitationSnow

Vicuña gets around 27 mm of rain and snow over 5.4 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 18% and peaks near 19% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1194
2194
3194
4194
5194
6194
7194
8194
9193
10193
11183
12183
13183
14182
15172
16172
17172
18172
19161
20161
21171
22171
23171
24171
25181
26181
27181
28181
29181
30181

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 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 54 minutes over September. Sunrise moves from 8:02 AM to 7:24 AM, and sunset from 7:23 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.48:027:23
211.48:007:24
311.47:597:25
411.57:587:25
511.57:577:26
611.57:557:26
711.57:547:27
811.67:537:27
911.67:527:28
1011.67:507:28
1111.77:497:29
1211.77:487:30
1311.77:467:30
1411.87:457:31
1511.87:447:31
1611.87:437:32
1711.97:417:32
1811.97:407:33
1911.97:397:33
2011.97:377:34
2112.07:367:35
2212.07:357:35
2312.07:337:36
2412.17:327:36
2512.17:317:37
2612.17:307:37
2712.27:287:38
2812.27:277:39
2912.27:267:39
3012.37:247:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.81 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 8.67 kWh/m² in December across the year — September's 5.81 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
186.0Bright
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.5Intense
Planning a trip in September

Is September a good time to visit Vicuña?

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

6.0
Sightseeing
9th-best month of the year
0.8
Beach & pool
9th-best month of the year

September is a reasonable time to visit Vicuña for sightseeing.

What to pack for Vicuña in September

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

In September, Vicuña sees daytime highs around 16°C and nights near 5°C. Worth packing: a warm layer and sun protection. About 5 days see rain.

a warm layersun protection

Sea temperature near Vicuña 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 at the nearest coast (about 65 km away) is warmest in February at about 17°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar17Cool
Apr16Cool
May15Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep13Bracing
Oct14Bracing
Nov14Bracing
Dec15Cool

UV index in Vicuña in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks 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 Vicuña peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 20UV 15Jun 19UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr7High
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Vicuña?

Vicuña sits at 30.0°S, 70.7°W, 616 m above sea level, in Chile. The nearest listed city is La Serena, 54 km away.

AlbardónVilla General San Martín

Topography around Vicuña

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

Within 3 km, the terrain around Vicuña has large variations in elevation — a maximum elevation change of 615 m around an average of 709 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,066 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,071 m.

The land around Vicuña is covered by bare terrain (48%) within 3 km, bare terrain (49%) and grassland (34%) within 16 km, and bare terrain (55%) and grassland (29%) within 80 km.

3 km
615 m
16 km
3,066 m
80 km
6,071 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: La Serena 54 km · Coquimbo 61 km · Ovalle 78 km · Vallenar 162 km · Illapel 183 km · Los Vilos 222 km · Albardón 261 km · Villa General San Martín 261 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 Vicuña (-30.0354°, -70.7127°, elevation 616 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).