Cunco weather in September

In September, Cunco sees average daytime highs of 12°C and overnight lows near 3°C, with 206 mm of precipitation across 14.4 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 13°C by the end. The sky is clear or mostly clear about 21% 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 24 min by month's end. Set against the rest of the year, September is Cunco's 8th-clearest and 4th-windiest month. For the whole year in context, see Cunco's year-round climate.

Daytime high: 12°; 9th warmest
Overnight low: 3°; 4th coldest
Precipitation: 206 mm; 14.4 wet days
Daylight: 11 h 48 min; 7:50 AM – 7:35 PM
Cloud cover: 66%; 8th clearest
Wind: 8 km/h; 4th windiest
Solar energy: 3.85 kWh/m²
Travel score: 2.8; out of 10

← August Cunco year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 13°C by the end.

A typical September day in Cunco reaches about 12°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4

	Avg high (°C)	Avg low (°C)
1	11	3
2	11	3
3	11	3
4	11	3
5	11	3
6	11	3
7	11	3
8	11	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	12	3
18	12	3
19	13	3
20	13	4
21	13	4
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4

How September really feels in Cunco

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cunco 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	21° / 10°	75	6.8	0	14.4	7.2
Feb	21° / 10°	72	6.1	0	13.5	7.4
Mar	19° / 9°	103	8.6	0	12.3	6.5
Apr	15° / 6°	192	12.1	0.4	11	4.4
May	12° / 5°	309	15.6	1.2	9.9	2.8
Jun	9° / 3°	448	19.6	5.4	9.3	1.4
Jul	9° / 2°	363	18.4	7.6	9.6	1.3
Aug	10° / 2°	328	17.7	6.9	10.5	1.8
Sep	12° / 3°	206	14.4	3.7	11.7	2.8
Oct	14° / 5°	190	14	2	13	3.8
Nov	16° / 7°	145	12	0.5	14.1	4.8
Dec	18° / 9°	130	10	0.1	14.7	6.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 67%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	29	29	31	31	31	32	33	33	33	34	34	34	34	34	34	34	35	35	35	34	35	34	34	33	32	33	33	33	33	33
Cloudier (%)	71	71	69	69	69	68	67	67	67	66	66	66	66	66	66	66	65	65	65	66	65	66	66	67	68	67	67	67	67	67

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	31	69
4	31	69
5	31	69
6	32	68
7	33	67
8	33	67
9	33	67
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	34	66
16	34	66
17	35	65
18	35	65
19	35	65
20	34	66
21	35	65
22	34	66
23	34	66
24	33	67
25	32	68
26	33	67
27	33	67
28	33	67
29	33	67
30	33	67

Chance of precipitation in September

Any precipitationSnow

Cunco gets around 206 mm of rain and snow over 14.4 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 49% and peaks near 55% on the wettest days, and about 4 days bring snow. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	55	54	54	53	53	52	52	51	51	51	51	51	51	51	50	49	49	48	48	47	47	47	46	46	46	46	45	45	45	45
Snow chance (%)	18	18	18	17	17	17	16	16	16	15	15	14	14	13	13	12	11	11	10	10	9	9	9	9	8	8	8	7	7	7

	Rain chance (%)	Snow chance (%)
1	55	18
2	54	18
3	54	18
4	53	17
5	53	17
6	52	17
7	52	16
8	51	16
9	51	16
10	51	15
11	51	15
12	51	14
13	51	14
14	51	13
15	50	13
16	49	12
17	49	11
18	48	11
19	48	10
20	47	10
21	47	9
22	47	9
23	46	9
24	46	9
25	46	8
26	46	8
27	45	8
28	45	7
29	45	7
30	45	7

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	8	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 06 min at the start of September to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over September. Sunrise moves from 8:15 AM to 7:27 AM, and sunset from 7:21 PM to 7:48 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.1	11.2	11.2	11.2	11.3	11.3	11.4	11.4	11.4	11.5	11.5	11.6	11.6	11.7	11.7	11.8	11.8	11.8	11.9	11.9	12.0	12.0	12.1	12.1	12.1	12.2	12.2	12.3	12.3	12.4
Sunrise (AM)	8:15	8:13	8:11	8:10	8:08	8:07	8:05	8:03	8:02	8:00	7:58	7:57	7:55	7:53	7:52	7:50	7:48	7:47	7:45	7:43	7:42	7:40	7:38	7:37	7:35	7:33	7:32	7:30	7:28	7:27
Sunset (PM)	7:21	7:22	7:23	7:24	7:25	7:26	7:27	7:28	7:28	7:29	7:30	7:31	7:32	7:33	7:34	7:35	7:36	7:37	7:38	7:39	7:40	7:41	7:41	7:42	7:43	7:44	7:45	7:46	7:47	7:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.1	8:15	7:21
2	11.2	8:13	7:22
3	11.2	8:11	7:23
4	11.2	8:10	7:24
5	11.3	8:08	7:25
6	11.3	8:07	7:26
7	11.4	8:05	7:27
8	11.4	8:03	7:28
9	11.4	8:02	7:28
10	11.5	8:00	7:29
11	11.5	7:58	7:30
12	11.6	7:57	7:31
13	11.6	7:55	7:32
14	11.7	7:53	7:33
15	11.7	7:52	7:34
16	11.8	7:50	7:35
17	11.8	7:48	7:36
18	11.8	7:47	7:37
19	11.9	7:45	7:38
20	11.9	7:43	7:39
21	12.0	7:42	7:40
22	12.0	7:40	7:41
23	12.1	7:38	7:41
24	12.1	7:37	7:42
25	12.1	7:35	7:43
26	12.2	7:33	7:44
27	12.2	7:32	7:45
28	12.3	7:30	7:46
29	12.3	7:28	7:47
30	12.4	7:27	7:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.85 kWh/m².

For context, solar energy here swings from a low near 1.38 kWh/m² to a high of 7.63 kWh/m² in January across the year — September's 3.85 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.1	3.1	3.2	3.3	3.3	3.4	3.4	3.5	3.5	3.6	3.6	3.7	3.7	3.8	3.8	3.9	3.9	4.0	4.0	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.4	4.4	4.5	4.5
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.1	Moderate
2	3.1	Moderate
3	3.2	Moderate
4	3.3	Moderate
5	3.3	Moderate
6	3.4	Moderate
7	3.4	Moderate
8	3.5	Moderate
9	3.5	Moderate
10	3.6	Moderate
11	3.6	Moderate
12	3.7	Moderate
13	3.7	Moderate
14	3.8	Moderate
15	3.8	Moderate
16	3.9	Moderate
17	3.9	Moderate
18	4.0	Moderate
19	4.0	Bright
20	4.1	Bright
21	4.1	Bright
22	4.2	Bright
23	4.2	Bright
24	4.2	Bright
25	4.3	Bright
26	4.3	Bright
27	4.4	Bright
28	4.4	Bright
29	4.5	Bright
30	4.5	Bright

Planning a trip in September

Hazard calendar for Cunco

In seasonPeak

In September, Cunco sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Cunco's rainy season runs May–September, 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 Cunco?

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

2.8

Sightseeing

8th-best month of the year

0.0

Beach & pool

8th-best month of the year

September is a weaker month for outdoor sightseeing in Cunco.

What to pack for Cunco in September

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

In September, Cunco sees daytime highs around 12°C and nights near 3°C. Pack rain gear. Worth having: a warm layer. About 14 days see rain.

rain geara warm layer

UV index in Cunco 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 Cunco peaks around December 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 2 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	11	8	4	2	2	2	3	5	8	10	12
Level	Extreme	Extreme	Very high	Moderate	Moderate	Low	Moderate	Moderate	Moderate	Very high	Very high	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	11	Extreme
Mar	8	Very high
Apr	4	Moderate
May	2	Moderate
Jun	2	Low
Jul	2	Moderate
Aug	3	Moderate
Sep	5	Moderate
Oct	8	Very high
Nov	10	Very high
Dec	12	Extreme

Air quality in Cunco 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 Cunco is worst in March — around 28 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (January, 8 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	8	9	28	19	11	8	9	10	11	10	9	8
Level	Good	Good	Moderate	Moderate	Good	Good	Good	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	9	Good
Mar	28	Moderate
Apr	19	Moderate
May	11	Good
Jun	8	Good
Jul	9	Good
Aug	10	Good
Sep	11	Good
Oct	10	Good
Nov	9	Good
Dec	8	Good

Location & terrain

Where is Cunco?

Cunco sits at 38.9°S, 72.0°W, 369 m above sea level, in Chile. The nearest listed city is Vilcún, 34 km away.

Topography around Cunco

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

Within 3 km, the terrain around Cunco has significant variations in elevation — a maximum elevation change of 429 m around an average of 387 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,315 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,078 m.

The land around Cunco is covered by grassland (50%) and trees (38%) within 3 km, trees (67%) and grassland (26%) within 16 km, and trees (59%) and grassland (21%) within 80 km.

3 km

429 m

grassland 50%

16 km

1,315 m

trees 67%

80 km

3,078 m

trees 59%

treesgrasslandcroplandartificial surfacesbare terrainwater

← August Cunco year-round climate October →Best places to visit in September

September weather nearby: Vilcún 34 km · Pucon 40 km · Villarrica 43 km · Freire 52 km · Padre Las Casas 53 km · Pitrufquén 53 km · Temuco 54 km · Lautaro 57 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

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 Cunco (-38.9318°, -72.0315°, elevation 369 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).

	Avg high (°C)	Avg low (°C)
1	11	3
2	11	3
3	11	3
4	11	3
5	11	3
6	11	3
7	11	3
8	11	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	12	3
18	12	3
19	13	3
20	13	4
21	13	4
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	31	69
4	31	69
5	31	69
6	32	68
7	33	67
8	33	67
9	33	67
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	34	66
16	34	66
17	35	65
18	35	65
19	35	65
20	34	66
21	35	65
22	34	66
23	34	66
24	33	67
25	32	68
26	33	67
27	33	67
28	33	67
29	33	67
30	33	67

	Rain chance (%)	Snow chance (%)
1	55	18
2	54	18
3	54	18
4	53	17
5	53	17
6	52	17
7	52	16
8	51	16
9	51	16
10	51	15
11	51	15
12	51	14
13	51	14
14	51	13
15	50	13
16	49	12
17	49	11
18	48	11
19	48	10
20	47	10
21	47	9
22	47	9
23	46	9
24	46	9
25	46	8
26	46	8
27	45	8
28	45	7
29	45	7
30	45	7

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	11	3
2	11	3
3	11	3
4	11	3
5	11	3
6	11	3
7	11	3
8	11	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	12	3
18	12	3
19	13	3
20	13	4
21	13	4
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	31	69
4	31	69
5	31	69
6	32	68
7	33	67
8	33	67
9	33	67
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	34	66
16	34	66
17	35	65
18	35	65
19	35	65
20	34	66
21	35	65
22	34	66
23	34	66
24	33	67
25	32	68
26	33	67
27	33	67
28	33	67
29	33	67
30	33	67

	Rain chance (%)	Snow chance (%)
1	55	18
2	54	18
3	54	18
4	53	17
5	53	17
6	52	17
7	52	16
8	51	16
9	51	16
10	51	15
11	51	15
12	51	14
13	51	14
14	51	13
15	50	13
16	49	12
17	49	11
18	48	11
19	48	10
20	47	10
21	47	9
22	47	9
23	46	9
24	46	9
25	46	8
26	46	8
27	45	8
28	45	7
29	45	7
30	45	7

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	11	3
2	11	3
3	11	3
4	11	3
5	11	3
6	11	3
7	11	3
8	11	3
9	12	3
10	12	3
11	12	3
12	12	3
13	12	3
14	12	3
15	12	3
16	12	3
17	12	3
18	12	3
19	13	3
20	13	4
21	13	4
22	13	4
23	13	4
24	13	4
25	13	4
26	13	4
27	13	4
28	13	4
29	13	4
30	13	4

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	31	69
4	31	69
5	31	69
6	32	68
7	33	67
8	33	67
9	33	67
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	34	66
16	34	66
17	35	65
18	35	65
19	35	65
20	34	66
21	35	65
22	34	66
23	34	66
24	33	67
25	32	68
26	33	67
27	33	67
28	33	67
29	33	67
30	33	67

	Rain chance (%)	Snow chance (%)
1	55	18
2	54	18
3	54	18
4	53	17
5	53	17
6	52	17
7	52	16
8	51	16
9	51	16
10	51	15
11	51	15
12	51	14
13	51	14
14	51	13
15	50	13
16	49	12
17	49	11
18	48	11
19	48	10
20	47	10
21	47	9
22	47	9
23	46	9
24	46	9
25	46	8
26	46	8
27	45	8
28	45	7
29	45	7
30	45	7

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100