Chajarí weather in September

In September, Chajarí sees average daytime highs of 22°C and overnight lows near 12°C, with 98 mm of rain across 7.8 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°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 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 Chajarí's 8th-clearest and 1st-windiest month. For the whole year in context, see Chajarí's year-round climate.

Daytime high
22°
8th warmest
Overnight low
12°
4th coldest
Rainfall
98 mm
7.8 wet days
Daylight
11 h 48 min
6:52 AM – 6:41 PM
Cloud cover
50%
8th clearest
Wind
16 km/h
1st windiest
Solar energy
4.59 kWh/m²
Travel score
7.1
out of 10

Chajarí is city in Argentina.

Founded
1872

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 22°C through the month.

A typical September day in Chajarí reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52211
62211
72211
82211
92211
102211
112212
122212
132212
142212
152212
162212
172212
182212
192212
202212
212212
222212
232312
242312
252312
262313
272313
282313
292313
302313

How September really feels in Chajarí

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.

Chajarí 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
Jan31° / 21°1248.613.84.7
Feb30° / 20°117913.15.1
Mar28° / 19°1158.812.26.3
Apr25° / 15°165911.37.2
May21° / 12°997.310.56.8
Jun18° / 10°937.7106.3
Jul18° / 806.810.26.4
Aug20° / 10°886.810.97.0
Sep22° / 12°987.811.87.1
Oct25° / 15°1539.912.87.0
Nov28° / 17°1187.313.66.8
Dec30° / 19°1128.6145.3

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 (%)
15644
25644
35545
45446
55446
65446
75347
85347
95347
105446
115446
125446
135545
145545
155545
165545
175644
185644
195644
205743
215743
225743
235743
245743
255644
265644
275545
285545
295545
305347

Chance of precipitation in September

Any precipitation

Chajarí gets around 98 mm of rain over 7.8 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 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
327
427
527
627
728
827
927
1027
1127
1227
1327
1427
1527
1626
1726
1826
1925
2025
2125
2225
2325
2425
2526
2626
2727
2827
2927
3028

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162181640
262181640
361191640
461191640
561191640
662191540
763191530
864191430
964191430
1064191430
1164191340
1264191340
1365191240
1465191240
1565191240
1665191240
1766181240
1866181240
1966181240
2065191240
2165191240
2263201340
2363201340
2460211450
2560211450
2658221550
2758221550
2856231650
2954231661
3053231761

Wind in September

Winds average 16 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 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2115light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light 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 7:11 AM to 6:33 AM, and sunset from 6:32 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:116:32
211.47:106:33
311.47:096:33
411.47:086:34
511.57:066:34
611.57:056:35
711.57:046:35
811.67:026:36
911.67:016:37
1011.67:006:37
1111.76:586:38
1211.76:576:38
1311.76:566:39
1411.86:546:40
1511.86:536:40
1611.86:526:41
1711.86:506:41
1811.96:496:42
1911.96:486:42
2011.96:466:43
2112.06:456:44
2212.06:446:44
2312.06:426:45
2412.16:416:45
2512.16:406:46
2612.16:396:47
2712.26:376:47
2812.26:366:48
2912.26:356:49
3012.36:336:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 7.14 kWh/m² in December across the year — September's 4.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Chajarí?

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

7.1
Sightseeing
2nd-best month of the year
5.0
Beach & pool
8th-best month of the year

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

What to pack for Chajarí in September

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

In September, Chajarí sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Chajarí 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 Chajarí peaks around January 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 20UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar11Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep7High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Chajarí?

Chajarí sits at 30.8°S, 58.0°W, 35 m above sea level, in Argentina. The nearest listed city is Monte Caseros, 65 km away.

Topography around Chajarí

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

Within 3 km, the terrain around Chajarí has only modest variations in elevation — a maximum elevation change of 38 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 163 m.

The land around Chajarí is covered by grassland (56%) and artificial surfaces (28%) within 3 km, grassland (57%) and trees (35%) within 16 km, and grassland (72%) within 80 km.

3 km
38 m
16 km
58 m
80 km
163 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Monte Caseros 65 km · Salto 70 km · Concordia 71 km · Federal 79 km · Curuzú Cuatiá 107 km · Uruguaiana 140 km · Paso de los Libres 144 km · Artigas 150 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 Chajarí (-30.7548°, -57.982°, elevation 35 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).