Ituzaingó weather in September

In September, Ituzaingó sees average daytime highs of 25°C and overnight lows near 16°C, with 139 mm of rain across 9.8 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 47% 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 Ituzaingó's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Ituzaingó's year-round climate.

Daytime high
25°
8th warmest
Overnight low
16°
5th coldest
Rainfall
139 mm
9.8 wet days
Daylight
11 h 48 min
6:46 AM – 6:36 PM
Cloud cover
47%
2nd clearest
Wind
14 km/h
2nd windiest
Solar energy
4.64 kWh/m²
Travel score
7.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Ituzaingó reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 32°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)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152415
162415
172515
182516
192516
202516
212516
222516
232516
242516
252516
262516
272516
282516
292517
302617

How September really feels in Ituzaingó

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.

Ituzaingó weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°13812.413.53.9
Feb31° / 23°13111.9134.2
Mar30° / 21°11910.412.25.1
Apr27° / 19°1709.511.46.7
May23° / 15°1348.810.77.1
Jun21° / 14°1168.610.36.7
Jul21° / 12°1058.510.46.9
Aug23° / 14°857.9117.4
Sep25° / 16°1399.811.87.2
Oct27° / 18°2101212.76.3
Nov29° / 20°15610.113.45.6
Dec31° / 22°16710.913.74.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36436
46337
56238
66139
76139
86040
95941
105941
115941
125941
135941
145941
155842
165842
175842
185743
195743
205743
215743
225644
235644
245644
255545
265545
275446
285347
295347
305248

Chance of precipitation in September

Any precipitation

Ituzaingó gets around 139 mm of rain over 9.8 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 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
229
329
429
530
630
730
830
931
1031
1131
1231
1332
1432
1532
1633
1733
1833
1933
2033
2134
2234
2334
2434
2534
2635
2735
2835
2935
3035

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1392130100
2392130100
3382130100
4382229110
5382229110
6372328110
7372328110
8372427120
9372427120
10362526121
11362526121
12362526131
13352525131
14352525131
15352525131
16352525141
17342526141
18342526142
19342426142
20332427142
21322427152
22322328152
23312328162
24302328172
25292229182
26282229193
27272228193
28262228203
29252228213
30252227223

Wind in September

Winds average 14 km/h in September.

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 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 7:04 AM to 6:29 AM, and sunset from 6:29 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:046:29
211.57:036:30
311.57:016:30
411.57:006:31
511.56:596:31
611.66:586:32
711.66:576:32
811.66:566:32
911.66:546:33
1011.76:536:33
1111.76:526:34
1211.76:516:34
1311.86:506:35
1411.86:486:35
1511.86:476:36
1611.86:466:36
1711.96:456:37
1811.96:436:37
1911.96:426:38
2012.06:416:38
2112.06:406:39
2212.06:396:39
2312.06:376:40
2412.16:366:40
2512.16:356:41
2612.16:346:41
2712.16:336:41
2812.26:316:42
2912.26:306:42
3012.26:296:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.64 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.74 kWh/m² in December across the year — September's 4.64 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Ituzaingó?

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

7.2
Sightseeing
2nd-best month of the year
6.3
Beach & pool
7th-best month of the year

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

What to pack for Ituzaingó in September

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

In September, Ituzaingó sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Ituzaingó 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 Ituzaingó peaks around January 20 at about 14 (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 highHighModerateVery highExtremeJan 20UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec13Extreme

Air quality in Ituzaingó in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Ituzaingó is worst in February — around 27 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (May, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodFeb 1425 µg/m³May 146 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb27Moderate
Mar7Good
Apr6Good
May6Good
Jun7Good
Jul9Good
Aug15Moderate
Sep16Moderate
Oct10Good
Nov10Good
Dec6Good
Location & terrain

Where is Ituzaingó?

Ituzaingó sits at 27.6°S, 56.7°W, 63 m above sea level, in Argentina. The nearest listed city is Posadas, 78 km away.

Topography around Ituzaingó

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

Within 3 km, the terrain around Ituzaingó has only modest variations in elevation — a maximum elevation change of 31 m around an average of 67 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, significant variations in elevation — a maximum elevation change of 263 m.

The land around Ituzaingó is covered by grassland (28%), water (25%) and trees (22%) within 3 km, wetland (46%) and grassland (20%) within 16 km, and wetland (40%) and grassland (31%) within 80 km.

3 km
31 m
16 km
55 m
80 km
263 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Posadas 78 km · Gobernador Virasora 83 km · Garupá 85 km · Encarnación 86 km · Apóstoles 99 km · Trinidad 109 km · San Juan Bautista 111 km · Santo Tomé 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 Ituzaingó (-27.585°, -56.6871°, elevation 63 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).