Catamarca weather in September

In September, Catamarca sees average daytime highs of 21°C and overnight lows near 8°C, with 32 mm of precipitation across 5.4 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 62% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Catamarca's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Catamarca's year-round climate.

Daytime high
21°
7th warmest
Overnight low
5th coldest
Precipitation
32 mm
5.4 wet days
Daylight
11 h 48 min
7:22 AM – 7:12 PM
Cloud cover
34%
3rd clearest
Wind
8 km/h
2nd windiest
Solar energy
5.59 kWh/m²
Travel score
7.6
out of 10

Catamarca is city in northwestern Argentina and capital of Catamarca Province.

Density
399/km²
people per km²
Founded
1683

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 21°C through the month.

A typical September day in Catamarca reaches about 21°C in the afternoon and slips back to 8°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 28°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)
1206
2207
3207
4217
5217
6217
7217
8217
9217
10217
11217
12217
13217
14218
15218
16218
17218
18218
19218
20218
21218
22218
23229
24229
25229
26229
27229
28229
29229
30229

Catamarca weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan26° / 17°16716.7013.65.7
Feb25° / 16°11713.70136.1
Mar23° / 15°10913.2012.26.4
Apr21° / 11°659.70.211.36.6
May18° / 376.90.210.66.5
Jun17° / 204.10.410.26.3
Jul16° / 153.30.910.46.5
Aug19° / 173.30.4117.6
Sep21° / 325.40.411.87.6
Oct23° / 11°6510012.77.2
Nov24° / 14°9812.9013.46.6
Dec26° / 16°12915.4013.86.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% 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 25%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27723
37624
47624
57624
67525
77525
87624
97624
107624
117723
127723
137822
147822
157723
167723
177723
187723
197723
207723
217525
227525
237426
247426
257327
267228
277129
287129
297030
307030

Chance of precipitation in September

Any precipitationSnow

Catamarca gets around 32 mm of rain and snow over 5.4 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 18% and peaks near 24% 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 (%)
1142
2142
3142
4152
5152
6162
7162
8162
9162
10161
11161
12161
13161
14161
15171
16171
17171
18181
19181
20191
21191
22201
23201
24211
25211
26221
27231
28231
29240
30240

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17982
18982
19982
20982
21982
22982
23973
24973
25973
26964
27964
28955
29955
30955

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 8 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
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 48 minutes over September. Sunrise moves from 7:41 AM to 7:05 AM, and sunset from 7:05 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:417:05
211.47:407:05
311.57:387:06
411.57:377:06
511.57:367:07
611.57:357:07
711.67:347:08
811.67:327:08
911.67:317:09
1011.77:307:09
1111.77:297:10
1211.77:277:10
1311.77:267:11
1411.87:257:11
1511.87:247:12
1611.87:227:12
1711.97:217:13
1811.97:207:13
1911.97:197:14
2011.97:187:14
2112.07:167:15
2212.07:157:15
2312.07:147:16
2412.17:137:16
2512.17:117:17
2612.17:107:18
2712.27:097:18
2812.27:087:19
2912.27:067:19
3012.27:057:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.59 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 6.6 kWh/m² in December across the year — September's 5.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Catamarca

In seasonPeak

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

Catamarca's rainy season runs November–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 Catamarca?

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

7.6
Sightseeing
1st-best month of the year
4.7
Beach & pool
7th-best month of the year

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

What to pack for Catamarca in September

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

In September, Catamarca sees daytime highs around 21°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 5 days see rain.

a warm layersun protection

UV index in Catamarca in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Catamarca peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 18UV 15Jun 22UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr7Very high
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Catamarca?

Catamarca sits at 28.5°S, 65.8°W, 545 m above sea level, in Argentina. The nearest listed city is San Isidro, 6.0 km away.

Topography around Catamarca

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

Within 3 km, the terrain around Catamarca has only modest variations in elevation — a maximum elevation change of 186 m around an average of 544 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,972 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,224 m.

The land around Catamarca is covered by artificial surfaces (68%) within 3 km, shrubs (42%) and trees (37%) within 16 km, and shrubs (44%) and trees (24%) within 80 km.

3 km
186 m
16 km
1,972 m
80 km
4,224 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: San Isidro 6.0 km · Aimogasta 100 km · Aguilares 117 km · Termas de Río Hondo 142 km · Monteros 147 km · La Rioja 148 km · Belén 152 km · Famaillá 162 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 Catamarca (-28.4696°, -65.7852°, elevation 545 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).