Quintero weather in September

In September, Quintero sees average daytime highs of 15°C and overnight lows near 10°C, with 23 mm of rain across 2.7 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Quintero's 8th-clearest and 4th-windiest month. For the whole year in context, see Quintero's year-round climate.

Daytime high: 15°; 9th warmest
Overnight low: 10°; 4th coldest
Rainfall: 23 mm; 2.7 wet days
Daylight: 11 h 48 min; 7:46 AM – 7:34 PM
Cloud cover: 46%; 8th clearest
Wind: 13 km/h; 4th windiest
Solar energy: 5.2 kWh/m²
Travel score: 5.4; out of 10

Air quality: Elevated; PM2.5 16.2 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Quintero 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

Day-to-day highs hold fairly steady near 15°C through the month.

A typical September day in Quintero reaches about 15°C in the afternoon and slips back to 10°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 17°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°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)	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15
Avg low (°C)	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10

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

Quintero 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	Daylight (hours)	Travel score
Jan	20° / 15°	0	0.1	13.9	8.6
Feb	20° / 15°	1	0.2	13.2	8.6
Mar	19° / 14°	3	0.6	12.2	8.3
Apr	18° / 12°	14	1.8	11.2	7.2
May	16° / 11°	48	3.8	10.3	5.7
Jun	14° / 9°	100	6.2	9.9	4.7
Jul	14° / 8°	56	4.8	10.1	4.5
Aug	14° / 9°	50	4.2	10.8	4.8
Sep	15° / 10°	23	2.7	11.8	5.4
Oct	16° / 11°	13	1.3	12.8	6.5
Nov	18° / 12°	2	0.5	13.7	7.7
Dec	19° / 14°	2	0.3	14.1	8.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 39%.

	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 (%)	58	58	58	58	59	60	60	60	61	61	62	61	62	62	62	63	63	62	63	63	63	63	62	62	62	62	63	63	63	63
Cloudier (%)	42	42	42	42	41	40	40	40	39	39	38	39	38	38	38	37	37	38	37	37	37	37	38	38	38	38	37	37	37	37

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	59	41
6	60	40
7	60	40
8	60	40
9	61	39
10	61	39
11	62	38
12	61	39
13	62	38
14	62	38
15	62	38
16	63	37
17	63	37
18	62	38
19	63	37
20	63	37
21	63	37
22	63	37
23	62	38
24	62	38
25	62	38
26	62	38
27	63	37
28	63	37
29	63	37
30	63	37

Chance of precipitation in September

Any precipitation

Quintero gets around 23 mm of rain over 2.7 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 9% and peaks near 14% on the wettest days. 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 (%)	14	14	13	13	13	12	12	12	11	11	10	10	9	9	8	8	7	7	7	7	6	6	6	6	6	6	6	6	6	7

	Rain chance (%)
1	14
2	14
3	13
4	13
5	13
6	12
7	12
8	12
9	11
10	11
11	10
12	10
13	9
14	9
15	8
16	8
17	7
18	7
19	7
20	7
21	6
22	6
23	6
24	6
25	6
26	6
27	6
28	6
29	6
30	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 99% 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 (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100
Comfortable (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 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)	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 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 60 minutes over September. Sunrise moves from 8:07 AM to 7:27 AM, and sunset from 7:25 PM to 7:44 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)	11.3	11.3	11.4	11.4	11.4	11.5	11.5	11.5	11.6	11.6	11.6	11.7	11.7	11.7	11.8	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.1	12.2	12.2	12.3	12.3
Sunrise (AM)	8:07	8:06	8:04	8:03	8:02	8:00	7:59	7:58	7:56	7:55	7:53	7:52	7:51	7:49	7:48	7:46	7:45	7:44	7:42	7:41	7:39	7:38	7:37	7:35	7:34	7:32	7:31	7:30	7:28	7:27
Sunset (PM)	7:25	7:25	7:26	7:27	7:27	7:28	7:29	7:29	7:30	7:31	7:31	7:32	7:32	7:33	7:34	7:34	7:35	7:36	7:36	7:37	7:38	7:38	7:39	7:40	7:41	7:41	7:42	7:43	7:43	7:44

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	8:07	7:25
2	11.3	8:06	7:25
3	11.4	8:04	7:26
4	11.4	8:03	7:27
5	11.4	8:02	7:27
6	11.5	8:00	7:28
7	11.5	7:59	7:29
8	11.5	7:58	7:29
9	11.6	7:56	7:30
10	11.6	7:55	7:31
11	11.6	7:53	7:31
12	11.7	7:52	7:32
13	11.7	7:51	7:32
14	11.7	7:49	7:33
15	11.8	7:48	7:34
16	11.8	7:46	7:34
17	11.8	7:45	7:35
18	11.9	7:44	7:36
19	11.9	7:42	7:36
20	11.9	7:41	7:37
21	12.0	7:39	7:38
22	12.0	7:38	7:38
23	12.0	7:37	7:39
24	12.1	7:35	7:40
25	12.1	7:34	7:41
26	12.1	7:32	7:41
27	12.2	7:31	7:42
28	12.2	7:30	7:43
29	12.3	7:28	7:43
30	12.3	7:27	7:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.2 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 8.84 kWh/m² in December across the year — September's 5.2 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)	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.8	4.8	4.9	5.0	5.0	5.1	5.2	5.2	5.3	5.3	5.4	5.4	5.5	5.5	5.6	5.6	5.7	5.7	5.8	5.8	5.8	5.9	5.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.4	Bright
2	4.5	Bright
3	4.5	Bright
4	4.6	Bright
5	4.6	Bright
6	4.7	Bright
7	4.7	Bright
8	4.8	Bright
9	4.8	Bright
10	4.9	Bright
11	5.0	Bright
12	5.0	Bright
13	5.1	Bright
14	5.2	Bright
15	5.2	Bright
16	5.3	Bright
17	5.3	Bright
18	5.4	Bright
19	5.4	Bright
20	5.5	Bright
21	5.5	Bright
22	5.6	Bright
23	5.6	Bright
24	5.7	Bright
25	5.7	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright
29	5.9	Bright
30	5.9	Bright

Planning a trip in September

Is September a good time to visit Quintero?

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

5.4

Sightseeing

9th-best month of the year

0.1

Beach & pool

9th-best month of the year

September is a reasonable time to visit Quintero for sightseeing.

What to pack for Quintero in September

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

In September, Quintero sees daytime highs around 15°C and nights near 10°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

Sea temperature near Quintero in September

The nearest coast averages about 13°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 13 km away) is warmest in February at about 17°C and coldest in August near 13°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	17	17	17	15	14	14	13	13	13	13	14	16
Comfort	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool

	Sea temperature (°C)	Comfort
Jan	17	Cool
Feb	17	Cool
Mar	17	Cool
Apr	15	Cool
May	14	Bracing
Jun	14	Bracing
Jul	13	Bracing
Aug	13	Bracing
Sep	13	Bracing
Oct	13	Bracing
Nov	14	Bracing
Dec	16	Cool

UV index in Quintero 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 Quintero peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	12	10	5	4	3	3	4	6	9	10	12
Level	Extreme	Extreme	Extreme	Moderate	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	12	Extreme
Mar	10	Extreme
Apr	5	Moderate
May	4	Moderate
Jun	3	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	6	High
Oct	9	Very high
Nov	10	Extreme
Dec	12	Extreme

Air quality in Quintero 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 Quintero is worst in July — around 27 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (February, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Quintero's WHO annual average of 16.2 µg/m³.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	9	8	11	16	24	25	27	23	19	12	10	10
Level	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	9	Good
Feb	8	Good
Mar	11	Good
Apr	16	Moderate
May	24	Moderate
Jun	25	Moderate
Jul	27	Moderate
Aug	23	Moderate
Sep	19	Moderate
Oct	12	Moderate
Nov	10	Good
Dec	10	Good

Location & terrain

Where is Quintero?

Quintero sits at 32.8°S, 71.5°W, 33 m above sea level, in Chile. The nearest listed city is Concón, 15 km away.

Topography around Quintero

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

Within 3 km, the terrain around Quintero has only modest variations in elevation — a maximum elevation change of 90 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 713 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,326 m.

The land around Quintero is covered by water (54%) and artificial surfaces (20%) within 3 km, water (62%) within 16 km, and shrubs (33%) and water (33%) within 80 km.

3 km

90 m

water 54%

16 km

713 m

water 62%

80 km

2,326 m

shrubs 33%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

September weather nearby: Concón 15 km · Vina del Mar 27 km · Quillota 29 km · La Cruz 29 km · Valparaiso 29 km · Hacienda La Calera 29 km · Quilpué 30 km · La Calera 31 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 Quintero (-32.7859°, -71.5322°, elevation 33 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).

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

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	59	41
6	60	40
7	60	40
8	60	40
9	61	39
10	61	39
11	62	38
12	61	39
13	62	38
14	62	38
15	62	38
16	63	37
17	63	37
18	62	38
19	63	37
20	63	37
21	63	37
22	63	37
23	62	38
24	62	38
25	62	38
26	62	38
27	63	37
28	63	37
29	63	37
30	63	37

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

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

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	59	41
6	60	40
7	60	40
8	60	40
9	61	39
10	61	39
11	62	38
12	61	39
13	62	38
14	62	38
15	62	38
16	63	37
17	63	37
18	62	38
19	63	37
20	63	37
21	63	37
22	63	37
23	62	38
24	62	38
25	62	38
26	62	38
27	63	37
28	63	37
29	63	37
30	63	37

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

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

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	59	41
6	60	40
7	60	40
8	60	40
9	61	39
10	61	39
11	62	38
12	61	39
13	62	38
14	62	38
15	62	38
16	63	37
17	63	37
18	62	38
19	63	37
20	63	37
21	63	37
22	63	37
23	62	38
24	62	38
25	62	38
26	62	38
27	63	37
28	63	37
29	63	37
30	63	37

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0