Paso de los Libres weather in September

In September, Paso de los Libres sees average daytime highs of 23°C and overnight lows near 13°C, with 126 mm of rain across 9 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-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 44% 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 Paso de los Libres's 9th-clearest and 1st-windiest month. For the whole year in context, see Paso de los Libres's year-round climate.

Daytime high
23°
8th warmest
Overnight low
13°
5th coldest
Rainfall
126 mm
9 wet days
Daylight
11 h 48 min
6:48 AM – 6:37 PM
Cloud cover
50%
9th clearest
Wind
15 km/h
1st windiest
Solar energy
4.57 kWh/m²
Travel score
7.1
out of 10

Paso de los Libres is city in Corrientes, Argentina.

Founded
1843

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 Paso de los Libres reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°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)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102313
112313
122313
132313
142313
152313
162313
172313
182313
192313
202313
212313
222313
232313
242313
252413
262413
272414
282414
292414
302414

How September really feels in Paso de los Libres

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.

Paso de los Libres weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°13910.413.74.3
Feb31° / 21°12710.313.14.7
Mar29° / 19°1249.212.25.8
Apr26° / 16°1779.411.37.0
May22° / 13°115810.57.0
Jun19° / 11°1138.510.16.4
Jul19° / 10°1037.510.36.6
Aug21° / 11°897.810.97.1
Sep23° / 13°126911.87.1
Oct26° / 15°18910.912.76.7
Nov28° / 17°1368.513.56.3
Dec31° / 20°1359.413.94.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35644
45545
55545
65347
75347
85347
95347
105347
115446
125446
135446
145545
155545
165545
175644
185644
195644
205743
215743
225743
235743
245743
255644
265644
275545
285347
295347
305248

Chance of precipitation in September

Any precipitation

Paso de los Libres gets around 126 mm of rain over 9 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 30% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
232
332
433
533
633
732
832
932
1031
1131
1230
1330
1430
1529
1629
1729
1828
1928
2028
2128
2228
2329
2429
2530
2630
2731
2831
2931
3032

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 55% 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 (%)
155192150
255192150
355192150
456182150
556182150
656182150
756192050
856192050
957191950
1058191850
1158191850
1258201750
1358201750
1458201750
1559201650
1658211650
1758211650
1858211650
1957211660
2056221660
2155221661
2255221661
2353231761
2452231771
2551231871
2651231871
2749241981
2848241981
2947241991
3046242091

Wind in September

Winds average 15 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 15 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
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light 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 7:07 AM to 6:30 AM, and sunset from 6:29 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:076:29
211.47:066:30
311.47:046:30
411.57:036:31
511.57:026:31
611.57:016:32
711.66:596:32
811.66:586:33
911.66:576:34
1011.66:566:34
1111.76:546:35
1211.76:536:35
1311.76:526:36
1411.86:516:36
1511.86:496:37
1611.86:486:37
1711.96:476:38
1811.96:456:38
1911.96:446:39
2011.96:436:40
2112.06:426:40
2212.06:406:41
2312.06:396:41
2412.16:386:42
2512.16:366:42
2612.16:356:43
2712.26:346:44
2812.26:336:44
2912.26:316:45
3012.36:306:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.57 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.99 kWh/m² in December across the year — September's 4.57 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Paso de los Libres?

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

7.1
Sightseeing
1st-best month of the year
5.4
Beach & pool
8th-best month of the year

September is one of the better times to visit Paso de los Libres for general sightseeing.

What to pack for Paso de los Libres in September

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

In September, Paso de los Libres sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Paso de los Libres 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 Paso de los Libres peaks around January 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highVery highExtremeJan 24UV 13Jun 21UV 4
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Paso de los Libres?

Paso de los Libres sits at 29.7°S, 57.1°W, 73 m above sea level, in Argentina. The nearest listed city is Uruguaiana, 5.0 km away.

Topography around Paso de los Libres

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Paso de los Libres.

Within 3 km, the terrain around Paso de los Libres has only modest variations in elevation — a maximum elevation change of 37 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, only modest variations in elevation — a maximum elevation change of 235 m.

The land around Paso de los Libres is covered by water (23%) and wetland (21%) within 3 km, grassland (37%) and trees (21%) within 16 km, and grassland (65%) within 80 km.

3 km
37 m
16 km
72 m
80 km
235 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Uruguaiana 5.0 km · Monte Caseros 80 km · Itaqui 83 km · Curuzú Cuatiá 93 km · Quaraí 97 km · Artigas 97 km · Mercedes 112 km · Alegrete 125 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 Paso de los Libres (-29.7125°, -57.0877°, elevation 73 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).