Collipulli weather in September

In September, Collipulli sees average daytime highs of 14°C and overnight lows near 5°C, with 89 mm of rain across 10.6 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 15°C by the end. The sky is clear or mostly clear about 24% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Collipulli's 8th-clearest and 9th-windiest month. For the whole year in context, see Collipulli's year-round climate.

Daytime high
14°
8th warmest
Overnight low
4th coldest
Rainfall
89 mm
10.6 wet days
Daylight
11 h 48 min
7:51 AM – 7:37 PM
Cloud cover
62%
8th clearest
Wind
12 km/h
9th windiest
Solar energy
4.08 kWh/m²
Travel score
4.2
out of 10

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 15°C by the end.

A typical September day in Collipulli 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 11°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)
1135
2135
3135
4135
5145
6145
7145
8145
9145
10145
11145
12145
13145
14145
15145
16145
17155
18155
19155
20155
21156
22156
23156
24156
25156
26156
27156
28166
29166
30166

Collipulli 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
Jan24° / 11°172.714.38.7
Feb24° / 11°253.113.58.7
Mar22° / 10°384.712.37.8
Apr17° / 787.7115.9
May14° / 15911.9103.7
Jun11° / 23115.99.42.4
Jul11° / 18014.99.62.3
Aug12° / 15914.210.53.0
Sep14° / 8910.611.74.2
Oct17° / 779.2135.5
Nov19° / 456.414.16.8
Dec22° / 10°374.914.67.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23664
33763
43763
53961
63961
74159
84159
94258
104258
114258
124258
134258
144357
154357
164357
174357
184258
194357
204357
214258
224258
234159
244060
254159
264159
274159
284159
294258
304258

Chance of precipitation in September

Any precipitation

Collipulli gets around 89 mm of rain over 10.6 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 36% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
343
442
541
640
740
840
939
1039
1139
1238
1338
1437
1536
1636
1735
1834
1933
2033
2132
2232
2332
2431
2531
2631
2730
2830
2930
3030

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 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 06 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 72 minutes over September. Sunrise moves from 8:15 AM to 7:29 AM, and sunset from 7:24 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.18:157:24
211.28:147:25
311.28:127:25
411.38:117:26
511.38:097:27
611.38:077:28
711.48:067:29
811.48:047:30
911.58:037:31
1011.58:017:32
1111.67:597:32
1211.67:587:33
1311.67:567:34
1411.77:557:35
1511.77:537:36
1611.87:517:37
1711.87:507:38
1811.87:487:39
1911.97:467:39
2011.97:457:40
2112.07:437:41
2212.07:427:42
2312.17:407:43
2412.17:387:44
2512.17:377:45
2612.27:357:46
2712.27:337:47
2812.37:327:48
2912.37:307:48
3012.37:297:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.08 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 8.1 kWh/m² in January across the year — September's 4.08 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.4Moderate
43.4Moderate
53.5Moderate
63.5Moderate
73.6Moderate
83.6Moderate
93.7Moderate
103.8Moderate
113.8Moderate
123.9Moderate
133.9Moderate
144.0Moderate
154.0Bright
164.1Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.8Bright
Planning a trip in September

Hazard calendar for Collipulli

In seasonPeak

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

Collipulli'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 Collipulli?

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

4.2
Sightseeing
8th-best month of the year
0.1
Beach & pool
8th-best month of the year

September is a reasonable time to visit Collipulli for sightseeing.

What to pack for Collipulli in September

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

In September, Collipulli sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Collipulli 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 Collipulli peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateModerateVery highExtremeDec 22UV 12Jun 16UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Collipulli 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 Collipulli is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 6.2× the cleanest month (November, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateGoodGoodMar 1755 µg/m³Nov 199 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb39Poor
Mar57Unhealthy
Apr40Poor
May21Moderate
Jun13Moderate
Jul11Good
Aug11Good
Sep12Moderate
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Collipulli?

Collipulli sits at 38.0°S, 72.4°W, 257 m above sea level, in Chile. The nearest listed city is Angol, 30 km away.

Topography around Collipulli

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

Within 3 km, the terrain around Collipulli has only modest variations in elevation — a maximum elevation change of 192 m around an average of 234 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 670 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,715 m.

The land around Collipulli is covered by trees (56%) and cropland (20%) within 3 km, trees (68%) within 16 km, and trees (67%) within 80 km.

3 km
192 m
16 km
670 m
80 km
2,715 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Angol 30 km · Mulchén 31 km · Victoria 32 km · Traiguén 39 km · Los Ángeles 54 km · Nacimiento 54 km · Lautaro 64 km · Villa Mercedes 73 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 Collipulli (-37.9545°, -72.4344°, elevation 257 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).