Chimbarongo weather in September

In September, Chimbarongo sees average daytime highs of 17°C and overnight lows near 6°C, with 82 mm of rain across 9 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 37% 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 Chimbarongo's 8th-clearest and 6th-windiest month. For the whole year in context, see Chimbarongo's year-round climate.

Daytime high
17°
8th warmest
Overnight low
4th coldest
Rainfall
82 mm
9 wet days
Daylight
11 h 48 min
7:45 AM – 7:32 PM
Cloud cover
54%
8th clearest
Wind
6 km/h
6th windiest
Solar energy
4.68 kWh/m²
Travel score
5.8
out of 10

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 Chimbarongo reaches about 17°C in the afternoon and slips back to 6°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 22°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
6166
7176
8176
9176
10176
11176
12176
13176
14176
15176
16176
17176
18186
19186
20186
21186
22186
23186
24186
25186
26186
27186
28187
29187
30187

Chimbarongo 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° / 15°61.214.18.6
Feb27° / 14°71.313.38.6
Mar25° / 12°151.812.38.9
Apr21° / 514.211.27.6
May17° / 1247.710.25.7
Jun14° / 20510.99.74.0
Jul14° / 14010.29.94.0
Aug15° / 1229.310.74.7
Sep17° / 82911.85.8
Oct20° / 577.212.96.9
Nov23° / 10°254.613.88.2
Dec26° / 13°162.314.38.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24555
34654
44753
54753
64852
74753
84852
94852
104951
114951
125050
135050
145149
155149
165149
175248
185248
195248
205248
215248
225149
235149
245149
255050
265149
275149
285149
295149
305248

Chance of precipitation in September

Any precipitation

Chimbarongo gets around 82 mm of rain over 9 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
232
332
432
532
632
732
831
931
1031
1131
1230
1330
1430
1529
1629
1729
1829
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2927
3027

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 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
75calm
85calm
95calm
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 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 8:07 AM to 7:24 AM, and sunset from 7:21 PM to 7:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:077:21
211.38:057:22
311.38:047:22
411.38:037:23
511.48:017:24
611.48:007:25
711.57:587:25
811.57:577:26
911.57:557:27
1011.67:547:28
1111.67:527:28
1211.67:517:29
1311.77:497:30
1411.77:487:31
1511.77:467:31
1611.87:457:32
1711.87:437:33
1811.97:427:34
1911.97:407:34
2011.97:397:35
2112.07:377:36
2212.07:367:37
2312.07:357:37
2412.17:337:38
2512.17:327:39
2612.27:307:40
2712.27:297:40
2812.27:277:41
2912.37:267:42
3012.37:247:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.68 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 8.79 kWh/m² in December across the year — September's 4.68 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
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Chimbarongo

In seasonPeak

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

Chimbarongo'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 Chimbarongo?

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

5.8
Sightseeing
8th-best month of the year
1.5
Beach & pool
8th-best month of the year

September is a reasonable time to visit Chimbarongo for sightseeing.

What to pack for Chimbarongo in September

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

In September, Chimbarongo sees daytime highs around 17°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

UV index in Chimbarongo 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 Chimbarongo 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 Chimbarongo 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 Chimbarongo is worst in May — around 41 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (November, 19 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2040 µg/m³Nov 2319 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb22Moderate
Mar22Moderate
Apr29Moderate
May41Poor
Jun37Poor
Jul37Poor
Aug35Moderate
Sep32Moderate
Oct24Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Chimbarongo?

Chimbarongo sits at 34.7°S, 71.0°W, 309 m above sea level, in Chile. The nearest listed city is Santa Cruz, 31 km away.

Topography around Chimbarongo

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

Within 3 km, the terrain around Chimbarongo has only modest variations in elevation — a maximum elevation change of 240 m around an average of 308 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,050 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,889 m.

The land around Chimbarongo is covered by cropland (52%) within 3 km, cropland (33%) and trees (30%) within 16 km, and trees (29%) and grassland (26%) within 80 km.

3 km
240 m
16 km
1,050 m
80 km
4,889 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
September weather nearby: Santa Cruz 31 km · San Vicente de Tagua Tagua 31 km · San Vicente 31 km · Curicó 35 km · Rengo 38 km · Sagrada Familia 45 km · Molina 50 km · Rancagua 67 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 Chimbarongo (-34.7125°, -71.0434°, elevation 309 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).