El Quisco weather in September

In September, El Quisco sees average daytime highs of 13°C and overnight lows near 11°C, with 29 mm of rain across 3 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 47% 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 El Quisco's 8th-clearest and 4th-windiest month. For the whole year in context, see El Quisco's year-round climate.

Daytime high
13°
10th warmest
Overnight low
11°
3rd coldest
Rainfall
29 mm
3 wet days
Daylight
11 h 48 min
7:47 AM – 7:35 PM
Cloud cover
47%
8th clearest
Wind
18 km/h
4th windiest
Solar energy
5.28 kWh/m²
Travel score
4.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical September day in El Quisco reaches about 13°C in the afternoon and slips back to 11°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 14°C. Set against its neighbours, September runs on par with August and on par with October.

10°13°15°151015202530
Avg high (°C)Avg low (°C)
11310
21310
31310
41310
51310
61310
71310
81310
91310
101310
111310
121310
131310
141310
151310
161310
171311
181311
191311
201311
211311
221311
231311
241311
251311
261311
271311
281311
291311
301311

El Quisco weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 15°00.1147.0
Feb17° / 15°20.213.27.1
Mar16° / 15°30.712.36.7
Apr15° / 13°182.111.25.7
May14° / 12°675.110.34.5
Jun13° / 11°1297.69.83.9
Jul13° / 10°726.2103.8
Aug13° / 10°635.210.83.9
Sep13° / 11°29311.84.3
Oct13° / 11°14212.84.7
Nov14° / 13°40.713.75.5
Dec15° / 14°30.414.26.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25644
35743
45743
55941
65941
76040
86040
96139
106139
116238
126238
136238
146238
156238
166337
176337
186337
196337
206139
216139
226139
236139
246139
256040
266040
276040
286040
296040
306139

Chance of precipitation in September

Any precipitation

El Quisco gets around 29 mm of rain over 3 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 10% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
115
215
314
414
514
613
713
812
912
1012
1111
1211
1310
1410
159
169
178
188
198
208
217
227
238
248
258
268
278
288
299
309

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 (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light 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 8:08 AM to 7:27 AM, and sunset from 7:25 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.38:087:25
211.38:077:25
311.38:067:26
411.48:047:27
511.48:037:27
611.48:017:28
711.58:007:29
811.57:597:30
911.57:577:30
1011.67:567:31
1111.67:547:32
1211.77:537:32
1311.77:527:33
1411.77:507:34
1511.87:497:34
1611.87:477:35
1711.87:467:36
1811.97:447:36
1911.97:437:37
2011.97:417:38
2112.07:407:38
2212.07:397:39
2312.07:377:40
2412.17:367:41
2512.17:347:41
2612.27:337:42
2712.27:327:43
2812.27:307:43
2912.37:297:44
3012.37:277:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 8.85 kWh/m² in December across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.1Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
286.0Bright
296.0Bright
306.0Intense
Planning a trip in September

Is September a good time to visit El Quisco?

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

4.3
Sightseeing
9th-best month of the year
Beach & pool
never really warm enough

September is a reasonable time to visit El Quisco for sightseeing.

What to pack for El Quisco in September

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

In September, El Quisco sees daytime highs around 13°C and nights near 11°C. Worth packing: a warm layer and sun protection. About 3 days see rain.

a warm layersun protection

Sea temperature near El Quisco 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 17 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
Apr15Cool
May14Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep13Bracing
Oct13Bracing
Nov14Bracing
Dec15Cool

UV index in El Quisco 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 El Quisco peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 13Jun 18UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is El Quisco?

El Quisco sits at 33.4°S, 71.7°W, 44 m above sea level, in Chile. The nearest listed city is Cartagena, 19 km away.

Topography around El Quisco

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

Within 3 km, the terrain around El Quisco has only modest variations in elevation — a maximum elevation change of 175 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 392 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,185 m.

The land around El Quisco is covered by water (42%), artificial surfaces (27%) and trees (21%) within 3 km, water (61%) within 16 km, and water (35%) and grassland (20%) within 80 km.

3 km
175 m
16 km
392 m
80 km
2,185 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Cartagena 19 km · San Antonio 23 km · Casablanca 28 km · Placilla 34 km · Valparaiso 41 km · Vina del Mar 44 km · Quilpué 45 km · Villa Alemana 49 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 El Quisco (-33.3977°, -71.6939°, elevation 44 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).