Maipú weather in September

In September, Maipú sees average daytime highs of 19°C and overnight lows near 7°C, with 55 mm of rain across 7.7 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 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 41% 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 Maipú's 8th-clearest and 7th-windiest month. For the whole year in context, see Maipú's year-round climate.

Daytime high: 19°; 8th warmest
Overnight low: 7°; 5th coldest
Rainfall: 55 mm; 7.7 wet days
Daylight: 11 h 48 min; 7:44 AM – 7:31 PM
Cloud cover: 51%; 8th clearest
Wind: 5 km/h; 7th windiest
Solar energy: 5.11 kWh/m²
Travel score: 6.6; out of 10

← August Maipú 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 18°C in the first days to 20°C by the end.

A typical September day in Maipú reaches about 19°C in the afternoon and slips back to 7°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°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)	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	20	20	20	20	20	20	20	20	20	20
Avg low (°C)	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8

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

Maipú 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 16°	3	0.7	14	7.4
Feb	29° / 16°	5	0.8	13.2	7.8
Mar	27° / 14°	9	1.2	12.3	8.7
Apr	23° / 10°	28	3.2	11.2	8.3
May	19° / 7°	62	5.9	10.3	6.7
Jun	16° / 4°	109	7.3	9.8	5.2
Jul	15° / 4°	86	7.1	10	5.1
Aug	17° / 5°	81	7.8	10.8	5.8
Sep	19° / 7°	55	7.7	11.8	6.6
Oct	22° / 9°	39	6.2	12.8	7.4
Nov	25° / 12°	16	2.6	13.7	8.6
Dec	28° / 14°	6	1.1	14.2	8.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 46%.

	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 (%)	51	51	51	51	51	51	52	52	52	52	53	53	54	55	55	55	55	55	56	56	56	55	55	55	56	55	55	55	55	56
Cloudier (%)	49	49	49	49	49	49	48	48	48	48	47	47	46	45	45	45	45	45	44	44	44	45	45	45	44	45	45	45	45	44

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	52	48
9	52	48
10	52	48
11	53	47
12	53	47
13	54	46
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	56	44
26	55	45
27	55	45
28	55	45
29	55	45
30	56	44

Chance of precipitation in September

Any precipitation

Maipú gets around 55 mm of rain over 7.7 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 25% and peaks near 28% on the wettest days.

	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 (%)	28	28	28	28	28	28	28	28	27	27	27	26	25	25	24	24	23	23	23	23	23	23	23	24	24	24	24	25	25	25

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

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 5 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.

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

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 8:05 AM to 7:24 AM, and sunset from 7:21 PM to 7:41 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	11.3	11.4	11.4	11.4	11.5	11.5	11.5	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	12.2	12.2	12.2	12.3	12.3
Sunrise (AM)	8:05	8:03	8:02	8:01	7:59	7:58	7:56	7:55	7:54	7:52	7:51	7:49	7:48	7:46	7:45	7:44	7:42	7:41	7:39	7:38	7:36	7:35	7:33	7:32	7:31	7:29	7:28	7:26	7:25	7:24
Sunset (PM)	7:21	7:22	7:22	7:23	7:24	7:24	7:25	7:26	7:26	7:27	7:28	7:28	7:29	7:30	7:31	7:31	7:32	7:33	7:33	7:34	7:35	7:35	7:36	7:37	7:38	7:38	7:39	7:40	7:40	7:41

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	8:05	7:21
2	11.3	8:03	7:22
3	11.3	8:02	7:22
4	11.4	8:01	7:23
5	11.4	7:59	7:24
6	11.4	7:58	7:24
7	11.5	7:56	7:25
8	11.5	7:55	7:26
9	11.5	7:54	7:26
10	11.6	7:52	7:27
11	11.6	7:51	7:28
12	11.7	7:49	7:28
13	11.7	7:48	7:29
14	11.7	7:46	7:30
15	11.8	7:45	7:31
16	11.8	7:44	7:31
17	11.8	7:42	7:32
18	11.9	7:41	7:33
19	11.9	7:39	7:33
20	11.9	7:38	7:34
21	12.0	7:36	7:35
22	12.0	7:35	7:35
23	12.0	7:33	7:36
24	12.1	7:32	7:37
25	12.1	7:31	7:38
26	12.2	7:29	7:38
27	12.2	7:28	7:39
28	12.2	7:26	7:40
29	12.3	7:25	7:40
30	12.3	7:24	7:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.11 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 8.88 kWh/m² in December across the year — September's 5.11 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)	4.3	4.4	4.4	4.5	4.5	4.6	4.6	4.7	4.8	4.8	4.9	4.9	5.0	5.1	5.1	5.2	5.3	5.3	5.4	5.4	5.5	5.5	5.6	5.6	5.7	5.7	5.7	5.8	5.8	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	4.3	Bright
2	4.4	Bright
3	4.4	Bright
4	4.5	Bright
5	4.5	Bright
6	4.6	Bright
7	4.6	Bright
8	4.7	Bright
9	4.8	Bright
10	4.8	Bright
11	4.9	Bright
12	4.9	Bright
13	5.0	Bright
14	5.1	Bright
15	5.1	Bright
16	5.2	Bright
17	5.3	Bright
18	5.3	Bright
19	5.4	Bright
20	5.4	Bright
21	5.5	Bright
22	5.5	Bright
23	5.6	Bright
24	5.6	Bright
25	5.7	Bright
26	5.7	Bright
27	5.7	Bright
28	5.8	Bright
29	5.8	Bright
30	5.9	Bright

Planning a trip in September

Is September a good time to visit Maipú?

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

6.6

Sightseeing

9th-best month of the year

2.8

Beach & pool

8th-best month of the year

September is a reasonable time to visit Maipú for sightseeing.

What to pack for Maipú in September

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

In September, Maipú sees daytime highs around 19°C and nights near 7°C. Worth packing: a warm layer and sun protection. About 8 days see rain.

a warm layersun protection

UV index in Maipú 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 Maipú peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	12	10	5	3	3	3	3	6	9	10	12
Level	Extreme	Extreme	Very high	Moderate	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	10	Very high
Apr	5	Moderate
May	3	Moderate
Jun	3	Moderate
Jul	3	Moderate
Aug	3	Moderate
Sep	6	High
Oct	9	Very high
Nov	10	Extreme
Dec	12	Extreme

Air quality in Maipú 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 Maipú is worst in July — around 108 µg/m³ PM2.5 (unhealthy), about 3.9× the cleanest month (December, 28 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)	30	31	41	56	80	96	108	95	78	55	35	28
Level	Moderate	Moderate	Poor	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Moderate

	PM2.5 (µg/m³)	Level
Jan	30	Moderate
Feb	31	Moderate
Mar	41	Poor
Apr	56	Unhealthy
May	80	Unhealthy
Jun	96	Unhealthy
Jul	108	Unhealthy
Aug	95	Unhealthy
Sep	78	Unhealthy
Oct	55	Poor
Nov	35	Poor
Dec	28	Moderate

Location & terrain

Where is Maipú?

Maipú sits at 33.5°S, 70.8°W, 478 m above sea level, in Chile. The nearest listed city is Padre Hurtado, 7.0 km away.

Topography around Maipú

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

Within 3 km, the terrain around Maipú has only modest variations in elevation — a maximum elevation change of 56 m around an average of 475 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 758 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,038 m.

The land around Maipú is covered by artificial surfaces (86%) within 3 km, artificial surfaces (45%) within 16 km, and shrubs (28%), grassland (23%) and bare terrain (20%) within 80 km.

3 km

56 m

artificial surfaces 86%

16 km

758 m

artificial surfaces 45%

80 km

6,038 m

shrubs 28%

treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and ice

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

September weather nearby: Padre Hurtado 7.0 km · Lo Prado 9.0 km · San Bernardo 11 km · Santiago 13 km · Renca 14 km · La Pintana 14 km · Peñaflor 15 km · Quilicura 17 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 Maipú (-33.5142°, -70.7651°, elevation 478 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	18	6
2	18	6
3	18	6
4	18	6
5	18	6
6	18	6
7	18	6
8	18	6
9	18	6
10	18	6
11	19	6
12	19	6
13	19	7
14	19	7
15	19	7
16	19	7
17	19	7
18	19	7
19	19	7
20	19	7
21	20	7
22	20	7
23	20	7
24	20	7
25	20	8
26	20	8
27	20	8
28	20	8
29	20	8
30	20	8

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	52	48
9	52	48
10	52	48
11	53	47
12	53	47
13	54	46
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	56	44
26	55	45
27	55	45
28	55	45
29	55	45
30	56	44

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

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	52	48
9	52	48
10	52	48
11	53	47
12	53	47
13	54	46
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	56	44
26	55	45
27	55	45
28	55	45
29	55	45
30	56	44

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

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	52	48
9	52	48
10	52	48
11	53	47
12	53	47
13	54	46
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	56	44
26	55	45
27	55	45
28	55	45
29	55	45
30	56	44

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

	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