Curuzú Cuatiá weather in September

In September, Curuzú Cuatiá sees average daytime highs of 23°C and overnight lows near 12°C, with 112 mm of rain across 8.2 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 45% 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 18 min by month's end. Set against the rest of the year, September is Curuzú Cuatiá's 5th-clearest and 1st-windiest month. For the whole year in context, see Curuzú Cuatiá's year-round climate.

Daytime high
23°
8th warmest
Overnight low
12°
4th coldest
Rainfall
112 mm
8.2 wet days
Daylight
11 h 48 min
6:52 AM – 6:41 PM
Cloud cover
48%
5th clearest
Wind
14 km/h
1st windiest
Solar energy
4.67 kWh/m²
Travel score
7.2
out of 10

Curuzú Cuatiá is city in Argentina.

Founded
1810

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 23°C through the month.

A typical September day in Curuzú Cuatiá reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102212
112212
122312
132312
142312
152312
162312
172312
182312
192312
202312
212312
222312
232312
242313
252313
262313
272413
282413
292413
302413

How September really feels in Curuzú Cuatiá

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.

Curuzú Cuatiá 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 daysDaylight (hours)Travel score
Jan31° / 21°14210.513.74.5
Feb30° / 20°1189.813.14.9
Mar29° / 18°1269.412.26.0
Apr25° / 15°1739.511.37.1
May21° / 12°997.510.56.9
Jun19° / 10°997.910.16.4
Jul19° / 796.810.36.7
Aug21° / 10°836.910.97.2
Sep23° / 12°1128.211.87.2
Oct25° / 15°17510.512.76.9
Nov28° / 17°1368.113.56.6
Dec30° / 19°1329.213.95.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 42%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
35941
45941
55842
65842
75743
85743
95743
105743
115743
125842
135842
145842
155842
165941
175941
185941
195941
205941
215941
225941
235842
245842
255743
265743
275644
285545
295446
305347

Chance of precipitation in September

Any precipitation

Curuzú Cuatiá gets around 112 mm of rain over 8.2 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 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
227
327
428
528
628
729
829
929
1028
1128
1228
1328
1427
1527
1627
1727
1827
1926
2026
2126
2226
2327
2427
2528
2628
2729
2829
2930
3030

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
158172050
258172050
358172050
458172050
558172050
658172050
759171950
860171940
960171850
1060171850
1161171750
1261181650
1361181650
1462181550
1562181450
1661191460
1762191360
1861201360
1961201360
2060211360
2158211371
2257221371
2357221371
2455231471
2553231581
2652241581
2751241681
2851241681
2950251691
3049251791

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 54 minutes over September. Sunrise moves from 7:11 AM to 6:34 AM, and sunset from 6:33 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:116:33
211.47:106:34
311.47:086:34
411.57:076:35
511.57:066:35
611.57:056:36
711.57:036:36
811.67:026:37
911.67:016:37
1011.67:006:38
1111.76:586:38
1211.76:576:39
1311.76:566:40
1411.86:546:40
1511.86:536:41
1611.86:526:41
1711.96:516:42
1811.96:496:42
1911.96:486:43
2011.96:476:43
2112.06:456:44
2212.06:446:45
2312.06:436:45
2412.16:426:46
2512.16:406:46
2612.16:396:47
2712.26:386:47
2812.26:366:48
2912.26:356:49
3012.36:346:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 7.02 kWh/m² in December across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Curuzú Cuatiá?

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

7.2
Sightseeing
1st-best month of the year
5.5
Beach & pool
8th-best month of the year

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

What to pack for Curuzú Cuatiá in September

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

In September, Curuzú Cuatiá sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Curuzú Cuatiá in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Curuzú Cuatiá peaks around January 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 23UV 13Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep7Very high
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Curuzú Cuatiá?

Curuzú Cuatiá sits at 29.8°S, 58.0°W, 62 m above sea level, in Argentina. The nearest listed city is Monte Caseros, 65 km away.

Topography around Curuzú Cuatiá

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

Within 3 km, the terrain around Curuzú Cuatiá has only modest variations in elevation — a maximum elevation change of 26 m around an average of 71 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, only modest variations in elevation — a maximum elevation change of 104 m.

The land around Curuzú Cuatiá is covered by grassland (65%) within 3 km, grassland (93%) within 16 km, and grassland (80%) within 80 km.

3 km
26 m
16 km
64 m
80 km
104 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Monte Caseros 65 km · Mercedes 68 km · Uruguaiana 93 km · Paso de los Libres 93 km · Chajarí 107 km · Goya 138 km · Esquina 145 km · Federal 147 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 Curuzú Cuatiá (-29.7915°, -58.0499°, elevation 62 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).