Coronel Brandsen weather in September

In September, Coronel Brandsen sees average daytime highs of 18°C and overnight lows near 8°C, with 74 mm of rain across 7.3 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 35% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Coronel Brandsen's 8th-clearest and 1st-windiest month. For the whole year in context, see Coronel Brandsen's year-round climate.

Daytime high
18°
8th warmest
Overnight low
4th coldest
Rainfall
74 mm
7.3 wet days
Daylight
11 h 48 min
6:54 AM – 6:41 PM
Cloud cover
56%
8th clearest
Wind
14 km/h
1st windiest
Solar energy
4.42 kWh/m²
Travel score
6.3
out of 10

Coronel Brandsen is human settlement in 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 17°C in the first days to 19°C by the end.

A typical September day in Coronel Brandsen reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°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)
1178
2178
3178
4178
5178
6178
7188
8188
9188
10188
11188
12188
13188
14188
15188
16188
17188
18188
19188
20189
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Coronel Brandsen 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
Jan29° / 18°907.914.16.1
Feb28° / 17°898.413.36.7
Mar26° / 15°837.512.37.3
Apr22° / 12°897.611.17.2
May18° / 586.210.26.3
Jun15° / 635.99.75.0
Jul14° / 606.39.94.5
Aug16° / 656.110.75.6
Sep18° / 747.311.86.3
Oct21° / 11°1039.112.96.7
Nov24° / 13°908.713.87.2
Dec27° / 16°858.914.36.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34852
44951
55050
64951
74951
85050
95149
105149
115248
125149
135149
145149
155149
165149
175149
185149
195149
205050
215050
224951
234852
244852
254753
264753
274753
284753
294753
304654

Chance of precipitation in September

Any precipitation

Coronel Brandsen gets around 74 mm of rain over 7.3 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 24% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
424
524
624
724
824
923
1023
1123
1223
1322
1422
1522
1622
1722
1822
1923
2023
2124
2224
2325
2425
2525
2626
2726
2826
2927
3027

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
18893
28893
38893
48893
58992
68992
78992
88992
98992
108992
1188102
1287103
1387103
1487103
1587103
1687103
1787103
1887103
1987103
2088102
2187112
2287112
2387112
2486122
2585123
2684133
2784133
2883143
2983143
3082153

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

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 12 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 66 minutes over September. Sunrise moves from 7:16 AM to 6:33 AM, and sunset from 6:29 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:166:29
211.37:156:30
311.37:136:31
411.37:126:32
511.47:106:32
611.47:096:33
711.47:076:34
811.57:066:35
911.57:046:35
1011.67:036:36
1111.67:016:37
1211.67:006:38
1311.76:586:38
1411.76:576:39
1511.76:556:40
1611.86:546:41
1711.86:526:42
1811.96:516:42
1911.96:496:43
2011.96:486:44
2112.06:466:45
2212.06:456:45
2312.06:436:46
2412.16:426:47
2512.16:406:48
2612.26:396:48
2712.26:376:49
2812.26:366:50
2912.36:346:51
3012.36:336:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.42 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7.46 kWh/m² in December across the year — September's 4.42 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.9Moderate
43.9Moderate
54.0Moderate
64.0Bright
74.0Bright
84.1Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Coronel Brandsen?

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

6.3
Sightseeing
7th-best month of the year
2.2
Beach & pool
9th-best month of the year

September is a reasonable time to visit Coronel Brandsen for sightseeing.

What to pack for Coronel Brandsen in September

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

In September, Coronel Brandsen sees daytime highs around 18°C and nights near 8°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Coronel Brandsen in September

The nearest coast averages about 15°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 46 km away) is warmest in January at about 25°C and coldest in July near 12°C.

It's comfortable for a long swim from Nov 10 to Apr 15 — about 5.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr20Refreshing
May17Cool
Jun13Bracing
Jul12Bracing
Aug13Bracing
Sep15Bracing
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Coronel Brandsen in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Coronel Brandsen peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 12Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Coronel Brandsen 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 Coronel Brandsen is worst in August — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1316 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug17Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Coronel Brandsen?

Coronel Brandsen sits at 35.2°S, 58.2°W, 17 m above sea level, in Argentina. The nearest listed city is San Vicente, 23 km away.

Topography around Coronel Brandsen

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

Within 3 km, the terrain around Coronel Brandsen has only modest variations in elevation — a maximum elevation change of 31 m around an average of 16 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 67 m.

The land around Coronel Brandsen is covered by grassland (44%) and cropland (26%) within 3 km, grassland (55%) and cropland (40%) within 16 km, and grassland (41%) and cropland (31%) within 80 km.

3 km
31 m
16 km
47 m
80 km
67 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: San Vicente 23 km · La Plata 38 km · Burzaco 41 km · La Unión 43 km · Adrogué 43 km · Tristán Suárez 43 km · Ezeiza 44 km · Berazategui 45 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 Coronel Brandsen (-35.168°, -58.2374°, elevation 17 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. 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).