Balcarce weather in September

In September, Balcarce sees average daytime highs of 16°C and overnight lows near 6°C, with 57 mm of rain across 7.2 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Balcarce's 9th-clearest and 3rd-windiest month. For the whole year in context, see Balcarce's year-round climate.

Daytime high
16°
9th warmest
Overnight low
4th coldest
Rainfall
57 mm
7.2 wet days
Daylight
11 h 48 min
6:55 AM – 6:40 PM
Cloud cover
60%
9th clearest
Wind
15 km/h
3rd windiest
Solar energy
4.18 kWh/m²
Travel score
5.2
out of 10

Balcarce is city in Buenos Aires Province, Argentina.

Founded
1876

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 15°C in the first days to 17°C by the end.

A typical September day in Balcarce reaches about 16°C in the afternoon and slips back to 6°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 21°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1155
2155
3155
4155
5155
6155
7155
8155
9156
10156
11156
12166
13166
14166
15166
16166
17166
18166
19166
20166
21166
22166
23166
24166
25176
26176
27177
28177
29177
30177

How September really feels in Balcarce

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.

Balcarce weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 15°839.814.36.9
Feb26° / 15°73813.57.1
Mar23° / 13°768.312.37.3
Apr20° / 10°747.911.16.6
May16° / 436.1105.4
Jun13° / 475.49.43.9
Jul12° / 456.29.63.5
Aug14° / 526.210.54.5
Sep16° / 577.211.75.2
Oct19° / 8010.2136.0
Nov22° / 10°929.8146.8
Dec25° / 13°788.914.67.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34654
44654
54654
64654
74753
84753
94753
104753
114753
124852
134852
144852
154852
164753
174852
184852
194753
204753
214654
224654
234654
244555
254555
264456
274456
284456
294456
304456

Chance of precipitation in September

Any precipitation

Balcarce gets around 57 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 29% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
122
223
323
423
523
623
724
824
924
1024
1124
1224
1324
1423
1523
1623
1723
1823
1923
2023
2123
2224
2325
2425
2526
2627
2727
2828
2929
3029

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19730
29631
39631
49631
59721
69721
79721
89721
99721
109631
119631
129631
139631
149631
159721
169721
179820
189820
199820
209820
219820
229820
239730
249730
259730
269730
279640
289640
299640
309550

Wind in September

Winds average 15 km/h in September.

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
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light 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 06 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 72 minutes over September. Sunrise moves from 7:18 AM to 6:32 AM, and sunset from 6:27 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:186:27
211.27:176:28
311.27:156:29
411.37:146:30
511.37:126:31
611.37:116:31
711.47:096:32
811.47:076:33
911.57:066:34
1011.57:046:35
1111.67:036:36
1211.67:016:37
1311.66:596:38
1411.76:586:38
1511.76:566:39
1611.86:556:40
1711.86:536:41
1811.86:516:42
1911.96:506:43
2011.96:486:44
2112.06:466:45
2212.06:456:45
2312.16:436:46
2412.16:426:47
2512.16:406:48
2612.26:386:49
2712.26:376:50
2812.36:356:51
2912.36:346:52
3012.36:326:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.18 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 7.51 kWh/m² in December across the year — September's 4.18 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.7Moderate
53.7Moderate
63.8Moderate
73.8Moderate
83.9Moderate
93.9Moderate
104.0Moderate
114.0Moderate
124.0Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Balcarce?

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

5.2
Sightseeing
9th-best month of the year
0.6
Beach & pool
9th-best month of the year

September is a reasonable time to visit Balcarce for sightseeing.

What to pack for Balcarce in September

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

In September, Balcarce sees daytime highs around 16°C and nights near 6°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Balcarce in September

The nearest coast averages about 11°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 60 km away) is warmest in February at about 20°C and coldest in August near 10°C.

It's comfortable for a long swim from Feb 3 to Mar 4 — about 1 month when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan20Cool
Feb20Refreshing
Mar20Cool
Apr18Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct12Bracing
Nov15Bracing
Dec17Cool

UV index in Balcarce in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Balcarce peaks around December 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeDec 21UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Balcarce?

Balcarce sits at 37.8°S, 58.3°W, 97 m above sea level, in Argentina. The nearest listed city is Miramar, 60 km away.

Topography around Balcarce

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

Within 3 km, the terrain around Balcarce has only modest variations in elevation — a maximum elevation change of 193 m around an average of 116 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 310 m; within 80 km, significant variations in elevation — a maximum elevation change of 436 m.

The land around Balcarce is covered by grassland (49%) and artificial surfaces (30%) within 3 km, cropland (65%) and grassland (30%) within 16 km, and cropland (51%) and grassland (36%) within 80 km.

3 km
193 m
16 km
310 m
80 km
436 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Miramar 60 km · Mar del Plata 64 km · Santa Clara del Mar 66 km · Ayacucho 80 km · Necochea 89 km · Tandil 97 km · Villa Gesell 130 km · General Juan Madariaga 136 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 Balcarce (-37.8464°, -58.2555°, elevation 97 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).