Malargüe weather in September

In September, Malargüe sees average daytime highs of 13°C and overnight lows near -0°C, with 44 mm of precipitation across 7.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 53% 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 Malargüe's 8th-clearest and 8th-windiest month. For the whole year in context, see Malargüe's year-round climate.

Daytime high
13°
8th warmest
Overnight low
-0°
4th coldest
Precipitation
44 mm
7.6 wet days
Daylight
11 h 48 min
7:39 AM – 7:26 PM
Cloud cover
41%
8th clearest
Wind
8 km/h
8th windiest
Solar energy
5.46 kWh/m²
Travel score
3.9
out of 10

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 15°C by the end.

A typical September day in Malargüe reaches about 13°C in the afternoon and slips back to -0°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 19°C. Set against its neighbours, September runs about 4°C warmer than August and about 4°C cooler than October.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
111-2
211-2
311-2
411-1
511-1
611-1
711-1
812-1
912-1
1012-1
1112-1
1212-1
1312-1
1413-1
15130
16130
17130
18130
19130
20140
21140
22140
23141
24141
25141
26141
27141
28151
29151
30151

How September really feels in Malargüe

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 30 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
30
wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Malargüe weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan26° / 11°379.4014.17.5
Feb24° / 10°418.4013.37.6
Mar22° / 498.5012.37.3
Apr17° / 507.60.611.16.0
May12° / 568.22.610.23.4
Jun / -3°637.65.39.71.1
Jul / -5°527.15.69.80.6
Aug / -3°466.75.110.71.9
Sep13° / -0°447.63.711.83.9
Oct17° / 507.71.812.96.1
Nov21° / 3970.413.97.4
Dec24° / 407.8014.47.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26436
36436
46436
56535
66535
76634
86535
96634
106634
116733
126733
136733
146733
156832
166832
176832
186832
196832
206832
216832
226832
236832
246832
256832
266832
276931
286931
296931
306931

Chance of precipitation in September

Any precipitationSnow

Malargüe gets around 44 mm of rain and snow over 7.6 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 25% and peaks near 29% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
12818
22818
32918
42918
52918
62917
72917
82816
92816
102715
112614
122513
132413
142412
152312
162311
172211
182210
192210
20229
21229
22228
23228
24228
25238
26238
27238
28238
29248
30248

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 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.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
299calm
309calm

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 8:02 AM to 7:18 AM, and sunset from 7:14 PM to 7:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:027:14
211.38:007:15
311.37:597:16
411.37:577:17
511.47:567:18
611.47:547:18
711.47:537:19
811.57:517:20
911.57:507:21
1011.67:487:21
1111.67:477:22
1211.67:457:23
1311.77:447:24
1411.77:427:25
1511.77:417:25
1611.87:397:26
1711.87:387:27
1811.97:367:28
1911.97:357:28
2011.97:337:29
2112.07:327:30
2212.07:307:31
2312.07:297:32
2412.17:277:32
2512.17:267:33
2612.27:247:34
2712.27:237:35
2812.27:217:36
2912.37:207:36
3012.37:187:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.46 kWh/m².

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 8.68 kWh/m² in December across the year — September's 5.46 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.1Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.4Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Intense
286.1Intense
296.1Intense
306.2Intense
Planning a trip in September

Is September a good time to visit Malargüe?

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

3.9
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 Malargüe.

What to pack for Malargüe in September

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

In September, Malargüe sees daytime highs around 13°C and nights near -0°C. Worth packing: a warm layer and sun protection. About 8 days see rain.

a warm layersun protection

UV index in Malargüe 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 Malargüe peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateModerateHighVery highExtremeJan 16UV 14Jul 14UV 2
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul2Low
Aug4Moderate
Sep6High
Oct10Very high
Nov12Extreme
Dec14Extreme
Location & terrain

Where is Malargüe?

Malargüe sits at 35.5°S, 69.6°W, 1,423 m above sea level, in Argentina. The nearest listed city is San Rafael, 149 km away.

Topography around Malargüe

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

Within 3 km, the terrain around Malargüe has only modest variations in elevation — a maximum elevation change of 70 m around an average of 1,418 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 643 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,642 m.

The land around Malargüe is covered by grassland (36%), shrubs (25%) and artificial surfaces (21%) within 3 km, grassland (50%) and shrubs (30%) within 16 km, and grassland (54%) and bare terrain (34%) within 80 km.

3 km
70 m
16 km
643 m
80 km
3,642 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
September weather nearby: San Rafael 149 km · Chimbarongo 158 km · Molina 159 km · Curicó 160 km · Rengo 166 km · Colbún 166 km · Sagrada Familia 172 km · San Clemente 172 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus 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 Malargüe (-35.4779°, -69.5852°, elevation 1,423 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).