Curicó weather in September

In September, Curicó sees average daytime highs of 17°C and overnight lows near 7°C, with 68 mm of rain across 7.2 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 38% 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 Curicó's 8th-clearest and 6th-windiest month. For the whole year in context, see Curicó's year-round climate.

Daytime high
17°
8th warmest
Overnight low
5th coldest
Rainfall
68 mm
7.2 wet days
Daylight
11 h 48 min
7:46 AM – 7:33 PM
Cloud cover
53%
8th clearest
Wind
7 km/h
6th windiest
Solar energy
4.67 kWh/m²
Travel score
6.1
out of 10

Curicó is city in Chile.

Air quality
Elevated
PM2.5 24.8 µg/m³ · 2019
Density
3,022/km²
people per km²
Founded
1743

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 16°C in the first days to 18°C by the end.

A typical September day in Curicó reaches about 17°C in the afternoon and slips back to 7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 21°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1166
2166
3166
4166
5166
6176
7176
8176
9176
10176
11176
12176
13176
14176
15177
16177
17187
18187
19187
20187
21187
22187
23187
24187
25187
26187
27187
28187
29197
30197

Curicó 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
Jan28° / 14°40.814.18.0
Feb28° / 13°71.113.38.5
Mar25° / 12°111.512.38.9
Apr21° / 503.811.17.6
May16° / 1267.410.25.5
Jun14° / 20610.99.73.8
Jul13° / 1479.59.93.9
Aug15° / 1218.510.74.8
Sep17° / 687.211.86.1
Oct20° / 434.912.97.3
Nov24° / 10°182.713.88.6
Dec27° / 12°151.614.38.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34753
44852
54951
64951
75050
85050
95248
105248
115347
125347
135347
145446
155446
165446
175446
185446
195347
205347
215248
225248
235248
245248
255149
265149
275149
285248
295248
305248

Chance of precipitation in September

Any precipitation

Curicó gets around 68 mm of rain over 7.2 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 24% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
428
527
627
727
826
926
1026
1125
1225
1325
1424
1524
1623
1723
1823
1922
2022
2122
2222
2322
2421
2521
2621
2721
2821
2920
3020

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 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 8:08 AM to 7:25 AM, and sunset from 7:22 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:087:22
211.38:067:22
311.38:057:23
411.38:047:24
511.48:027:25
611.48:017:25
711.47:597:26
811.57:587:27
911.57:567:28
1011.67:557:28
1111.67:537:29
1211.67:527:30
1311.77:507:31
1411.77:497:31
1511.77:477:32
1611.87:467:33
1711.87:447:34
1811.97:437:34
1911.97:417:35
2011.97:407:36
2112.07:387:37
2212.07:377:37
2312.07:357:38
2412.17:347:39
2512.17:327:40
2612.27:317:40
2712.27:297:41
2812.27:287:42
2912.37:267:43
3012.37:257:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 8.74 kWh/m² in December across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
34.0Moderate
44.0Bright
54.1Bright
64.1Bright
74.2Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in September

Hazard calendar for Curicó

In seasonPeak

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

Curicó'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 Curicó?

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

6.1
Sightseeing
8th-best month of the year
1.7
Beach & pool
8th-best month of the year

September is a reasonable time to visit Curicó for sightseeing.

What to pack for Curicó in September

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

In September, Curicó sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

UV index in Curicó 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 Curicó peaks around January 16 at about 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 16UV 13Jun 15UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Curicó 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 Curicó is worst in February — around 34 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Curicó's WHO annual average of 24.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1432 µg/m³Dec 1416 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb34Moderate
Mar20Moderate
Apr25Moderate
May32Moderate
Jun27Moderate
Jul28Moderate
Aug27Moderate
Sep25Moderate
Oct21Moderate
Nov19Moderate
Dec15Moderate
Location & terrain

Where is Curicó?

Curicó sits at 35.0°S, 71.2°W, 217 m above sea level, in Chile. The nearest listed city is Sagrada Familia, 13 km away.

Topography around Curicó

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

Within 3 km, the terrain around Curicó has only modest variations in elevation — a maximum elevation change of 117 m around an average of 208 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 752 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,052 m.

The land around Curicó is covered by artificial surfaces (52%) within 3 km, trees (26%), grassland (26%) and cropland (26%) within 16 km, and trees (36%) and grassland (29%) within 80 km.

3 km
117 m
16 km
752 m
80 km
4,052 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Sagrada Familia 13 km · Molina 15 km · Chimbarongo 35 km · Santa Cruz 40 km · Talca 62 km · San Vicente de Tagua Tagua 62 km · San Vicente 63 km · San Clemente 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 Curicó (-34.9828°, -71.2394°, elevation 217 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. 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).