Concepción del Uruguay weather in September

In September, Concepción del Uruguay sees average daytime highs of 21°C and overnight lows near 10°C, with 90 mm of rain across 7.2 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Concepción del Uruguay's 8th-clearest and 1st-windiest month. For the whole year in context, see Concepción del Uruguay's year-round climate.

Daytime high
21°
8th warmest
Overnight low
10°
4th coldest
Rainfall
90 mm
7.2 wet days
Daylight
11 h 48 min
6:53 AM – 6:41 PM
Cloud cover
51%
8th clearest
Wind
14 km/h
1st windiest
Solar energy
4.54 kWh/m²
Travel score
6.9
out of 10

Concepción del Uruguay is city and head of the department Uruguay, province of Entre Ríos in Argentina.

Founded
1783

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 20°C in the first days to 22°C by the end.

A typical September day in Concepción del Uruguay reaches about 21°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°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)
12010
22010
32010
42010
52010
62010
72010
82010
92010
102010
112010
122010
132010
142110
152110
162110
172110
182110
192110
202111
212111
222111
232111
242111
252111
262111
272211
282211
292211
302212

Concepción del Uruguay 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° / 20°988.513.95.0
Feb29° / 19°1108.113.25.6
Mar27° / 17°1198.212.26.7
Apr24° / 14°1448.111.27.3
May20° / 11°816.710.46.8
Jun17° / 786.69.96.0
Jul17° / 686.510.15.8
Aug19° / 88710.86.7
Sep21° / 10°907.211.86.9
Oct24° / 13°1239.112.87.1
Nov27° / 16°1087.513.77.1
Dec29° / 18°121814.15.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65347
75347
85446
95545
105545
115644
125644
135743
145743
155743
165644
175644
185644
195644
205644
215446
225446
235347
245248
255248
265149
274951
284951
294852
304951

Chance of precipitation in September

Any precipitation

Concepción del Uruguay gets around 90 mm of rain over 7.2 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
426
526
626
726
826
925
1025
1124
1224
1324
1423
1523
1623
1723
1823
1922
2022
2122
2223
2323
2423
2523
2624
2724
2825
2925
3026

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17116112
27216111
37216111
47216111
57216111
67216102
77216102
87216102
97216102
107216102
11731692
12731692
13731692
14741592
15741592
16741592
17741592
18761482
19751582
20751582
21741592
22731692
23731692
24721792
25711892
26701992
27692092
286820102
296721102
306621103

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 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light 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 18 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 60 minutes over September. Sunrise moves from 7:14 AM to 6:34 AM, and sunset from 6:32 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:146:32
211.37:126:32
311.47:116:33
411.47:106:34
511.47:086:34
611.57:076:35
711.57:066:36
811.57:046:36
911.67:036:37
1011.67:026:37
1111.67:006:38
1211.76:596:39
1311.76:576:39
1411.76:566:40
1511.86:556:41
1611.86:536:41
1711.86:526:42
1811.96:506:43
1911.96:496:43
2011.96:486:44
2112.06:466:45
2212.06:456:45
2312.06:436:46
2412.16:426:47
2512.16:416:47
2612.16:396:48
2712.26:386:49
2812.26:366:49
2912.26:356:50
3012.36:346:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.54 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 7.26 kWh/m² in December across the year — September's 4.54 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Moderate
44.0Bright
54.1Bright
64.1Bright
74.2Bright
84.2Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Concepción del Uruguay?

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

6.9
Sightseeing
4th-best month of the year
4.1
Beach & pool
8th-best month of the year

September is a reasonable time to visit Concepción del Uruguay for sightseeing.

What to pack for Concepción del Uruguay in September

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

In September, Concepción del Uruguay sees daytime highs around 21°C and nights near 10°C. Worth packing: sun protection. About 7 days see rain.

sun protection

UV index in Concepción del Uruguay 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 Concepción del Uruguay peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Concepción del Uruguay?

Concepción del Uruguay sits at 32.5°S, 58.2°W, 21 m above sea level, in Argentina. The nearest listed city is Paysandú, 23 km away.

Topography around Concepción del Uruguay

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

Within 3 km, the terrain around Concepción del Uruguay has only modest variations in elevation — a maximum elevation change of 33 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 145 m.

The land around Concepción del Uruguay is covered by artificial surfaces (33%) and trees (27%) within 3 km, grassland (36%), cropland (27%) and trees (22%) within 16 km, and cropland (42%) and grassland (35%) within 80 km.

3 km
33 m
16 km
57 m
80 km
145 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Paysandú 23 km · Colón 30 km · Young 61 km · Gualeguaychú 64 km · Fray Bentos 71 km · Mercedes 87 km · Villaguay 101 km · Dolores 116 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 Concepción del Uruguay (-32.4846°, -58.2322°, elevation 21 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).