La Ligua weather in September

In September, La Ligua sees average daytime highs of 17°C and overnight lows near 10°C, with 22 mm of rain across 3.1 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 17°C through the month. The sky is clear or mostly clear about 42% 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 La Ligua's 9th-clearest and 7th-windiest month. For the whole year in context, see La Ligua's year-round climate.

Daytime high
17°
9th warmest
Overnight low
10°
4th coldest
Rainfall
22 mm
3.1 wet days
Daylight
11 h 48 min
7:45 AM – 7:33 PM
Cloud cover
50%
9th clearest
Wind
6 km/h
7th windiest
Solar energy
5.13 kWh/m²
Travel score
6.6
out of 10

La Ligua is Chilean city.

Density
6,504/km²
people per km²
Founded
2025

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical September day in La Ligua reaches about 17°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1179
2179
3179
4179
5179
6179
7179
8179
9179
10179
11179
12179
13179
141710
151710
161710
171710
181810
191810
201810
211810
221810
231810
241810
251810
261810
271810
281810
291810
301810

La Ligua 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
Jan25° / 15°10.113.99.3
Feb25° / 15°10.213.29.3
Mar23° / 14°50.712.29.1
Apr21° / 12°152.111.28.0
May18° / 10°433.910.46.6
Jun16° / 815.79.95.3
Jul15° / 504.510.15.2
Aug16° / 494.510.85.7
Sep17° / 10°223.111.86.6
Oct20° / 11°141.712.87.7
Nov22° / 13°30.513.78.8
Dec24° / 14°20.414.19.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 44%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55347
65446
75446
85545
95545
105644
115644
125743
135743
145842
155941
165941
175941
185941
195941
205941
215941
225743
235743
245743
255743
265743
275743
285743
295743
305842

Chance of precipitation in September

Any precipitation

La Ligua gets around 22 mm of rain over 3.1 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
315
415
514
614
713
813
913
1012
1112
1211
1310
1410
159
169
178
188
198
208
218
228
238
248
258
268
278
287
297
307

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 99% 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
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 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
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 7:26 AM, and sunset from 7:24 PM to 7:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.38:067:24
211.38:047:24
311.48:037:25
411.48:027:26
511.48:007:26
611.57:597:27
711.57:587:28
811.57:567:28
911.67:557:29
1011.67:537:29
1111.67:527:30
1211.77:517:31
1311.77:497:31
1411.77:487:32
1511.87:477:33
1611.87:457:33
1711.87:447:34
1811.97:427:35
1911.97:417:35
2011.97:407:36
2112.07:387:37
2212.07:377:37
2312.07:357:38
2412.17:347:39
2512.17:337:39
2612.17:317:40
2712.27:307:41
2812.27:287:41
2912.27:277:42
3012.37:267:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 8.87 kWh/m² in December across the year — September's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.9Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.2Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
Planning a trip in September

Is September a good time to visit La Ligua?

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

6.6
Sightseeing
8th-best month of the year
1.8
Beach & pool
9th-best month of the year

September is a reasonable time to visit La Ligua for sightseeing.

What to pack for La Ligua in September

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

In September, La Ligua sees daytime highs around 17°C and nights near 10°C. Worth packing: sun protection. About 3 days see rain.

sun protection

Sea temperature near La Ligua 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 38 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
Nov15Bracing
Dec16Cool

UV index in La Ligua in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in La Ligua peaks around January 19 at about 14 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 19UV 14Jun 18UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep7High
Oct10Very high
Nov11Extreme
Dec13Extreme

Air quality in La Ligua 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 La Ligua 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 La Ligua?

La Ligua sits at 32.5°S, 71.2°W, 78 m above sea level, in Chile. The nearest listed city is Cabildo, 15 km away.

Topography around La Ligua

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

Within 3 km, the terrain around La Ligua has significant variations in elevation — a maximum elevation change of 520 m around an average of 112 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,417 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,969 m.

The land around La Ligua is covered by grassland (25%), shrubs (22%) and trees (21%) within 3 km, shrubs (48%) and grassland (27%) within 16 km, and shrubs (39%) and water (23%) within 80 km.

3 km
520 m
16 km
1,417 m
80 km
3,969 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Cabildo 15 km · Hacienda La Calera 37 km · La Calera 37 km · La Cruz 42 km · Quintero 47 km · Quillota 48 km · Llaillay 50 km · Putaendo 52 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 La Ligua (-32.4524°, -71.2311°, elevation 78 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).