Cafayate weather in September

In September, Cafayate sees average daytime highs of 20°C and overnight lows near 6°C, with 10 mm of precipitation across 2.9 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 69% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Cafayate's 4th-clearest and 1st-windiest month. For the whole year in context, see Cafayate's year-round climate.

Daytime high
20°
8th warmest
Overnight low
4th coldest
Precipitation
10 mm
2.9 wet days
Daylight
11 h 48 min
7:23 AM – 7:14 PM
Cloud cover
30%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
6.3 kWh/m²
Travel score
7.9
out of 10

Cafayate is human settlement in Argentina.

Founded
1840

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical September day in Cafayate reaches about 20°C in the afternoon and slips back to 6°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 27°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1195
2205
3205
4205
5205
6205
7205
8205
9205
10205
11205
12205
13206
14206
15206
16206
17206
18206
19206
20206
21206
22206
23207
24207
25207
26217
27217
28217
29217
30217

How September really feels in Cafayate

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Cafayate weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan23° / 13°12817.8013.45.6
Feb22° / 13°9915.2012.95.6
Mar22° / 12°7112.2012.26.3
Apr21° / 10°235011.47.5
May19° / 122.80.310.77.5
Jun17° / 40.80.310.47.4
Jul17° / 410.710.57.1
Aug19° / 41.30.311.17.9
Sep20° / 102.90.411.87.9
Oct22° / 256.10.112.67.5
Nov23° / 11°5210.5013.36.8
Dec24° / 13°8513.6013.66.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% 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 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58614
68614
78614
88614
98614
108614
118614
128515
138515
148515
158416
168416
178416
188416
198416
208218
218218
228218
238119
248119
258020
267921
277921
287921
297822
307822

Chance of precipitation in September

Any precipitationSnow

Cafayate gets around 10 mm of rain and snow over 2.9 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 10% and peaks near 15% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
162
262
362
472
572
672
772
872
972
1072
1172
1272
1371
1471
1581
1681
1791
1891
19101
20101
21111
22121
23121
24131
25141
26141
27151
28151
29151
30151

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 7 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 7:40 AM to 7:07 AM, and sunset from 7:07 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:407:07
211.57:397:08
311.57:387:08
411.57:367:09
511.67:357:09
611.67:347:10
711.67:337:10
811.67:327:10
911.77:317:11
1011.77:307:11
1111.77:297:12
1211.77:277:12
1311.87:267:12
1411.87:257:13
1511.87:247:13
1611.87:237:14
1711.97:227:14
1811.97:207:15
1911.97:197:15
2012.07:187:15
2112.07:177:16
2212.07:167:16
2312.07:157:17
2412.17:147:17
2512.17:127:18
2612.17:117:18
2712.17:107:18
2812.27:097:19
2912.27:087:19
3012.27:077:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.3 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 7.13 kWh/m² in November across the year — September's 6.3 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.6Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Cafayate

In seasonPeak

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

Cafayate's rainy season runs December–March, 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 Cafayate?

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

7.9
Sightseeing
1st-best month of the year
4.1
Beach & pool
7th-best month of the year

September is one of the better times to visit Cafayate for general sightseeing.

What to pack for Cafayate in September

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

In September, Cafayate sees daytime highs around 20°C and nights near 6°C. Pack sun protection. Worth having: a warm layer.

sun protectiona warm layer

UV index in Cafayate in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cafayate peaks around January 16 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 17Jul 11UV 5
UV index (midday)Level
Jan17Extreme
Feb16Extreme
Mar14Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep11Extreme
Oct15Extreme
Nov15Extreme
Dec16Extreme
Location & terrain

Where is Cafayate?

Cafayate sits at 26.1°S, 66.0°W, 1,625 m above sea level, in Argentina. The nearest listed city is Santa María, 69 km away.

Topography around Cafayate

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

Within 3 km, the terrain around Cafayate has significant variations in elevation — a maximum elevation change of 334 m around an average of 1,643 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,941 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,705 m.

The land around Cafayate is covered by cropland (31%) and shrubs (29%) within 3 km, grassland (39%), shrubs (30%) and bare terrain (22%) within 16 km, and grassland (41%) and bare terrain (30%) within 80 km.

3 km
334 m
16 km
2,941 m
80 km
4,705 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Santa María 69 km · Tafí Viejo 102 km · Rosario de la Frontera 105 km · Yerba Buena 107 km · San Miguel de Tucuman 113 km · Alderetes 117 km · San José de Metán 119 km · Famaillá 123 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 Cafayate (-26.0729°, -65.9777°, elevation 1,625 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).