Puerto Esperanza weather in September

In September, Puerto Esperanza sees average daytime highs of 26°C and overnight lows near 15°C, with 161 mm of rain across 10.3 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 45% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Puerto Esperanza's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Puerto Esperanza's year-round climate.

Daytime high
26°
8th warmest
Overnight low
15°
5th coldest
Rainfall
161 mm
10.3 wet days
Daylight
11 h 48 min
6:37 AM – 6:28 PM
Cloud cover
49%
3rd clearest
Wind
10 km/h
2nd windiest
Solar energy
4.72 kWh/m²
Travel score
6.7
out of 10

Puerto Esperanza is municipality and village in Misiones Province, Argentina.

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 26°C through the month.

A typical September day in Puerto Esperanza reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 34°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)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132615
142615
152615
162615
172615
182615
192615
202616
212616
222616
232616
242716
252716
262716
272716
282716
292716
302716

How September really feels in Puerto Esperanza

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.

Puerto Esperanza weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°16916.213.43.7
Feb31° / 21°15714.812.94.0
Mar30° / 20°14912.612.24.8
Apr27° / 17°1499.511.46.4
May23° / 14°1649.410.77.0
Jun22° / 13°1449.410.46.8
Jul22° / 12°1258.810.57.1
Aug25° / 14°957.311.17.6
Sep26° / 15°16110.311.86.7
Oct28° / 18°20513.512.65.5
Nov30° / 19°16511.913.35.0
Dec31° / 20°19015.213.64.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% 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 (%)
16634
26634
36634
46535
56436
66337
76337
86238
96139
106139
116139
126139
136040
145941
155941
165941
175842
185842
195644
205644
215545
225545
235347
245248
255248
265149
275050
284951
294852
304753

Chance of precipitation in September

Any precipitation

Puerto Esperanza gets around 161 mm of rain over 10.3 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 34% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
226
326
427
527
628
729
830
930
1031
1132
1232
1333
1434
1534
1635
1735
1836
1937
2037
2138
2238
2339
2439
2539
2640
2740
2840
2940
3040

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 30% 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 (%)
134322760
233322870
333322870
432312880
532312880
632312990
731302990
8313029100
9312930100
10302930110
11302830110
12302731120
13292731121
14292631131
15292531131
16292532141
17292432151
18292332151
19292332161
20282232171
21282231181
22272231191
23272131201
24262131211
25252131221
26242131231
27232131251
28222131261
29212031271
30192031281

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 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 42 minutes over September. Sunrise moves from 6:54 AM to 6:21 AM, and sunset from 6:22 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:546:22
211.56:536:22
311.56:526:23
411.56:516:23
511.66:506:24
611.66:496:24
711.66:486:25
811.66:476:25
911.76:456:25
1011.76:446:26
1111.76:436:26
1211.76:426:27
1311.86:416:27
1411.86:406:27
1511.86:386:28
1611.86:376:28
1711.96:366:29
1811.96:356:29
1911.96:346:29
2012.06:336:30
2112.06:326:30
2212.06:306:31
2312.06:296:31
2412.16:286:32
2512.16:276:32
2612.16:266:32
2712.16:256:33
2812.26:246:33
2912.26:226:34
3012.26:216:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.72 kWh/m².

For context, solar energy here swings from a low near 2.77 kWh/m² to a high of 6.33 kWh/m² in December across the year — September's 4.72 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Puerto Esperanza?

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

6.7
Sightseeing
5th-best month of the year
6.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Puerto Esperanza for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Puerto Esperanza in September

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

In September, Puerto Esperanza sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Puerto Esperanza 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 Puerto Esperanza peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep7High
Oct9Very high
Nov11Extreme
Dec13Extreme

Air quality in Puerto Esperanza 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 Puerto Esperanza is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug14Moderate
Sep20Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Puerto Esperanza?

Puerto Esperanza sits at 26.0°S, 54.6°W, 204 m above sea level, in Argentina. The nearest listed city is Colonia Wanda, 7.0 km away.

Topography around Puerto Esperanza

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

Within 3 km, the terrain around Puerto Esperanza has only modest variations in elevation — a maximum elevation change of 100 m around an average of 212 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 220 m; within 80 km, large variations in elevation — a maximum elevation change of 674 m.

The land around Puerto Esperanza is covered by trees (75%) within 3 km, trees (68%) and cropland (21%) within 16 km, and trees (60%) and cropland (31%) within 80 km.

3 km
100 m
16 km
220 m
80 km
674 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Colonia Wanda 7.0 km · Eldorado 42 km · Iguazu 47 km · Presidente Franco 51 km · Foz do Iguacu 53 km · Ciudad del Este 58 km · Montecarlo 62 km · Santa Terezinha de Itaipu 68 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 Puerto Esperanza (-26.0227°, -54.6136°, elevation 204 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).