Aimogasta weather in September

In September, Aimogasta sees average daytime highs of 24°C and overnight lows near 12°C, with 15 mm of rain across 3.1 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 79% 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 Aimogasta's 3rd-clearest and 4th-windiest month. For the whole year in context, see Aimogasta's year-round climate.

Daytime high
24°
8th warmest
Overnight low
12°
5th coldest
Rainfall
15 mm
3.1 wet days
Daylight
11 h 48 min
7:27 AM – 7:17 PM
Cloud cover
23%
3rd clearest
Wind
7 km/h
4th windiest
Solar energy
5.86 kWh/m²
Travel score
8.8
out of 10

Aimogasta is town in La Rioja Province, Argentina.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 25°C by the end.

A typical September day in Aimogasta reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 30°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12311
22311
32311
42311
52311
62311
72311
82311
92311
102312
112412
122412
132412
142412
152412
162412
172412
182412
192413
202413
212413
222413
232513
242513
252513
262513
272514
282514
292514
302514

Aimogasta 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 daysDaylight (hours)Travel score
Jan30° / 20°6910.913.65.0
Feb29° / 20°528.6135.8
Mar27° / 18°568.712.26.9
Apr24° / 15°306.111.38.1
May21° / 10°204.410.67.9
Jun19° / 81.910.28.0
Jul19° / 61.610.48.1
Aug22° / 71.7118.7
Sep24° / 12°153.111.88.8
Oct27° / 16°255.312.77.9
Nov28° / 18°447.613.46.6
Dec30° / 20°549.413.85.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 12%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28911
38911
48812
58812
68812
78812
88911
98911
108911
118911
128911
138911
148911
158911
168911
178911
188812
198812
208911
218812
228812
238812
248713
258812
268812
278812
288812
298812
308812

Chance of precipitation in September

Any precipitation

Aimogasta gets around 15 mm of rain over 3.1 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 10% and peaks near 12% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
38
48
58
69
79
89
99
109
119
1210
1310
1410
1510
1611
1711
1811
1911
2011
2111
2211
2311
2411
2512
2612
2712
2812
2912
3012

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.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
19991
20991
21991
22991
23991
24991
25991
26991
27982
28982
29982
30982

Wind in September

Winds average 7 km/h in September.

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 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 7:45 AM to 7:09 AM, and sunset from 7:09 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:457:09
211.47:447:09
311.57:437:10
411.57:417:10
511.57:407:11
611.57:397:11
711.67:387:12
811.67:377:12
911.67:357:13
1011.77:347:13
1111.77:337:14
1211.77:327:14
1311.77:307:15
1411.87:297:16
1511.87:287:16
1611.87:277:17
1711.97:257:17
1811.97:247:18
1911.97:237:18
2011.97:227:19
2112.07:207:19
2212.07:197:20
2312.07:187:20
2412.17:177:21
2512.17:157:21
2612.17:147:22
2712.27:137:22
2812.27:127:23
2912.27:117:23
3012.27:097:24

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.86 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 7.35 kWh/m² in December across the year — September's 5.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
176.0Bright
186.0Bright
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Is September a good time to visit Aimogasta?

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

8.8
Sightseeing
1st-best month of the year
7.3
Beach & pool
4th-best month of the year

September is one of the better times to visit Aimogasta for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Aimogasta in September

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

In September, Aimogasta sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Aimogasta 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 Aimogasta peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 19UV 15Jun 23UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr7Very high
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Aimogasta?

Aimogasta sits at 28.6°S, 66.8°W, 828 m above sea level, in Argentina. The nearest listed city is Chilecito, 95 km away.

Famaillá

Topography around Aimogasta

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

Within 3 km, the terrain around Aimogasta has only modest variations in elevation — a maximum elevation change of 139 m around an average of 850 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,366 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,110 m.

The land around Aimogasta is covered by bare terrain (40%) and shrubs (23%) within 3 km, bare terrain (63%) and shrubs (32%) within 16 km, and shrubs (50%) and bare terrain (34%) within 80 km.

3 km
139 m
16 km
1,366 m
80 km
4,110 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Chilecito 95 km · La Rioja 95 km · Catamarca 100 km · Belén 103 km · San Isidro 106 km · Aguilares 172 km · Monteros 201 km · Famaillá 217 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 Aimogasta (-28.56°, -66.8074°, elevation 828 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).