Curanilahue weather in September

In September, Curanilahue sees average daytime highs of 14°C and overnight lows near 5°C, with 105 mm of rain across 9.3 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 14°C by the end. The sky is clear or mostly clear about 34% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Curanilahue's 8th-clearest and 7th-windiest month. For the whole year in context, see Curanilahue's year-round climate.

Daytime high
14°
8th warmest
Overnight low
4th coldest
Rainfall
105 mm
9.3 wet days
Daylight
11 h 48 min
7:55 AM – 7:41 PM
Cloud cover
56%
8th clearest
Wind
10 km/h
7th windiest
Solar energy
4.37 kWh/m²
Travel score
4.0
out of 10
Air quality
Elevated
PM2.5 22.4 µg/m³ · 2019

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 13°C in the first days to 14°C by the end.

A typical September day in Curanilahue reaches about 14°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 18°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1134
2134
3134
4134
5134
6134
7134
8134
9134
10134
11134
12134
13134
14135
15145
16145
17145
18145
19145
20145
21145
22145
23145
24145
25145
26145
27145
28145
29155
30155

Curanilahue weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 10°152.414.38.7
Feb22° / 10°202.613.48.6
Mar20° / 33412.37.8
Apr17° / 896.911.15.8
May13° / 21311.9103.6
Jun11° / 30115.59.52.4
Jul11° / 23714.29.72.3
Aug12° / 20213.410.62.8
Sep14° / 1059.311.74.0
Oct15° / 798.4135.1
Nov18° / 445.4146.7
Dec20° / 354.114.57.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34258
44357
54456
64555
74654
84753
94753
104753
114852
124951
134951
144951
154951
165050
175050
185050
195050
205050
215050
225050
235050
245050
255050
265149
275149
285149
295149
305149

Chance of precipitation in September

Any precipitation

Curanilahue gets around 105 mm of rain over 9.3 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 32% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
338
437
536
636
735
834
934
1034
1133
1233
1332
1432
1531
1630
1730
1829
1929
2029
2129
2229
2329
2429
2529
2628
2728
2828
2928
3028

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 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 12 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 66 minutes over September. Sunrise moves from 8:18 AM to 7:33 AM, and sunset from 7:28 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:187:28
211.28:177:29
311.28:157:29
411.38:147:30
511.38:127:31
611.48:117:32
711.48:097:33
811.48:087:34
911.58:067:35
1011.58:047:35
1111.68:037:36
1211.68:017:37
1311.68:007:38
1411.77:587:39
1511.77:567:40
1611.87:557:41
1711.87:537:41
1811.87:527:42
1911.97:507:43
2011.97:487:44
2112.07:477:45
2212.07:457:46
2312.17:447:47
2412.17:427:48
2512.17:407:48
2612.27:397:49
2712.27:377:50
2812.37:367:51
2912.37:347:52
3012.37:337:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.37 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 8.47 kWh/m² in January across the year — September's 4.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.6Moderate
33.6Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.4Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Curanilahue

In seasonPeak

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

Curanilahue'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 September a good time to visit Curanilahue?

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

4.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
9th-best month of the year

September is a reasonable time to visit Curanilahue for sightseeing.

What to pack for Curanilahue in September

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

In September, Curanilahue sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Curanilahue in September

The nearest coast averages about 12°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 27 km away) is warmest in January at about 15°C and coldest in August near 12°C.

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

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb15Bracing
Mar15Bracing
Apr14Bracing
May13Bracing
Jun13Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec14Bracing

UV index in Curanilahue in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Curanilahue peaks around December 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeDec 23UV 12Jun 15UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Curanilahue 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 Curanilahue is worst in February — around 39 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (March, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Curanilahue's WHO annual average of 22.4 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateFeb 1436 µg/m³Mar 2116 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb39Poor
Mar15Moderate
Apr20Moderate
May34Moderate
Jun23Moderate
Jul21Moderate
Aug22Moderate
Sep21Moderate
Oct19Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Curanilahue?

Curanilahue sits at 37.5°S, 73.3°W, 141 m above sea level, in Chile. The nearest listed city is Los Álamos, 20 km away.

Topography around Curanilahue

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

Within 3 km, the terrain around Curanilahue has only modest variations in elevation — a maximum elevation change of 174 m around an average of 201 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 991 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,511 m.

The land around Curanilahue is covered by trees (66%) and grassland (20%) within 3 km, trees (92%) within 16 km, and trees (49%) and water (36%) within 80 km.

3 km
174 m
16 km
991 m
80 km
1,511 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Los Álamos 20 km · Arauco 26 km · Lebu 31 km · Cañete 36 km · Lota 46 km · Coronel 53 km · Nacimiento 59 km · Angol 66 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 Curanilahue (-37.4779°, -73.3449°, elevation 141 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).