San Luis del Palmar weather in September

In September, San Luis del Palmar sees average daytime highs of 25°C and overnight lows near 14°C, with 114 mm of rain across 8.4 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 25°C through the month. The sky is clear or mostly clear about 51% 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 San Luis del Palmar's 2nd-clearest and 1st-windiest month. For the whole year in context, see San Luis del Palmar's year-round climate.

Daytime high
25°
8th warmest
Overnight low
14°
5th coldest
Rainfall
114 mm
8.4 wet days
Daylight
11 h 48 min
6:53 AM – 6:44 PM
Cloud cover
44%
2nd clearest
Wind
15 km/h
1st windiest
Solar energy
4.76 kWh/m²
Travel score
7.3
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 San Luis del Palmar reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°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 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12414
22514
32514
42514
52514
62514
72514
82514
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202515
212515
222515
232515
242515
252615
262615
272615
282615
292616
302616

How September really feels in San Luis del Palmar

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.

San Luis del Palmar 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
Jan32° / 22°13310.813.53.9
Feb31° / 22°13010.4134.2
Mar30° / 20°12710.312.25.2
Apr27° / 18°1669.711.46.7
May23° / 14°1088.210.77.2
Jun21° / 13°777.510.36.9
Jul21° / 11°676.810.47.2
Aug23° / 12°686.6117.8
Sep25° / 14°1148.411.87.3
Oct27° / 17°18410.812.76.4
Nov29° / 19°1669.613.45.6
Dec31° / 21°14910.113.74.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% 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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56535
66535
76436
86436
96337
106337
116337
126238
136238
146139
156139
166238
176139
186139
196040
206139
216040
226139
236040
246040
255941
265941
275842
285743
295743
305743

Chance of precipitation in September

Any precipitation

San Luis del Palmar gets around 114 mm of rain over 8.4 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 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
124
225
325
425
525
625
725
826
926
1026
1127
1227
1328
1428
1529
1629
1729
1829
1930
2030
2130
2230
2330
2431
2531
2631
2731
2831
2931
3031

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151212080
250212090
350212090
450212090
5502120100
6502119100
7502219100
8502218100
9502218100
10492318100
11492317100
12492317100
13492317110
14482417111
15482417111
16472417111
17472517111
18462517111
19462517111
20452617111
21442617121
22432618122
23422618132
24402519132
25392520142
26382520152
27372521152
28362521162
29352521173
30342422183

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 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 7:11 AM to 6:37 AM, and sunset from 6:37 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:116:37
211.57:106:37
311.57:096:38
411.57:086:38
511.57:076:39
611.67:056:39
711.67:046:40
811.67:036:40
911.67:026:40
1011.77:016:41
1111.76:596:41
1211.76:586:42
1311.86:576:42
1411.86:566:43
1511.86:556:43
1611.86:536:44
1711.96:526:44
1811.96:516:45
1911.96:506:45
2012.06:496:46
2112.06:476:46
2212.06:466:47
2312.06:456:47
2412.16:446:47
2512.16:436:48
2612.16:416:48
2712.16:406:49
2812.26:396:49
2912.26:386:50
3012.26:376:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.76 kWh/m².

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 6.86 kWh/m² in December across the year — September's 4.76 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit San Luis del Palmar?

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

7.3
Sightseeing
2nd-best month of the year
6.6
Beach & pool
6th-best month of the year

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

What to pack for San Luis del Palmar in September

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

In September, San Luis del Palmar sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in San Luis del Palmar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Luis del Palmar peaks around January 22 at about 14 (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 highHighModerateHighExtremeJan 22UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec13Extreme

Air quality in San Luis del Palmar 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 San Luis del Palmar is worst in February — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodAug 2316 µg/m³May 117 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb17Moderate
Mar11Good
Apr7Good
May7Good
Jun8Good
Jul10Good
Aug16Moderate
Sep16Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is San Luis del Palmar?

San Luis del Palmar sits at 27.5°S, 58.6°W, 61 m above sea level, in Argentina. The nearest listed city is Corrientes, 28 km away.

Topography around San Luis del Palmar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis del Palmar.

Within 3 km, the terrain around San Luis del Palmar has only modest variations in elevation — a maximum elevation change of 22 m around an average of 59 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, only modest variations in elevation — a maximum elevation change of 66 m.

The land around San Luis del Palmar is covered by grassland (57%) and trees (29%) within 3 km, grassland (45%) and trees (33%) within 16 km, and grassland (43%) and trees (32%) within 80 km.

3 km
22 m
16 km
47 m
80 km
66 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Corrientes 28 km · Barranqueras 38 km · Resistencia 43 km · Fontana 48 km · San Lorenzo 73 km · Pilar 76 km · Saladas 83 km · General José de San Martín 133 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 San Luis del Palmar (-27.5077°, -58.5562°, elevation 61 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).