Cañuelas weather in September

In September, Cañuelas sees average daytime highs of 19°C and overnight lows near 9°C, with 70 mm of rain across 6.7 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 18°C in the first days to 19°C by the end. The sky is clear or mostly clear about 38% 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 Cañuelas's 8th-clearest and 1st-windiest month. For the whole year in context, see Cañuelas's year-round climate.

Daytime high
19°
8th warmest
Overnight low
4th coldest
Rainfall
70 mm
6.7 wet days
Daylight
11 h 48 min
6:56 AM – 6:43 PM
Cloud cover
55%
8th clearest
Wind
14 km/h
1st windiest
Solar energy
4.46 kWh/m²
Travel score
6.5
out of 10

Cañuelas is city in the province of Buenos Aires, Argentina.

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 18°C in the first days to 19°C by the end.

A typical September day in Cañuelas reaches about 19°C in the afternoon and slips back to 9°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 24°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)
1188
2188
3188
4188
5188
6188
7188
8188
9188
10188
11188
12188
13188
14188
15188
16198
17198
18198
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
302010

Cañuelas 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°897.814.16.0
Feb28° / 17°908.213.36.6
Mar26° / 16°807.212.37.3
Apr22° / 12°918.211.17.1
May18° / 606.310.26.4
Jun15° / 585.79.75.1
Jul14° / 565.99.94.7
Aug17° / 615.910.75.8
Sep19° / 706.711.86.5
Oct21° / 11°1079.312.96.7
Nov25° / 14°948.513.87.2
Dec28° / 16°858.714.36.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34951
44951
55050
65050
75050
85149
95248
105248
115248
125248
135248
145347
155347
165347
175248
185248
195248
205248
215149
225149
235149
244951
254951
264852
274852
284852
294951
304951

Chance of precipitation in September

Any precipitation

Cañuelas gets around 70 mm of rain over 6.7 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 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
122
223
323
423
523
623
722
822
922
1022
1122
1222
1322
1422
1521
1621
1721
1821
1921
2022
2122
2222
2323
2423
2524
2624
2724
2825
2925
3025

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
187103
287103
387103
487103
587103
68794
78794
88794
98794
108794
118794
128794
138794
148794
158794
168893
178893
188893
198893
208893
2187103
2288102
2387112
2486122
2586122
2684133
2783143
2883143
2982153
3081163

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 7:18 AM to 6:35 AM, and sunset from 6:32 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:186:32
211.37:176:32
311.37:156:33
411.37:146:34
511.47:126:35
611.47:116:35
711.47:096:36
811.57:086:37
911.57:066:38
1011.67:056:38
1111.67:036:39
1211.67:026:40
1311.77:006:41
1411.76:596:41
1511.76:576:42
1611.86:566:43
1711.86:546:44
1811.96:536:44
1911.96:516:45
2011.96:506:46
2112.06:486:47
2212.06:476:47
2312.06:456:48
2412.16:446:49
2512.16:426:50
2612.26:416:51
2712.26:396:51
2812.26:386:52
2912.36:366:53
3012.36:356:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.45 kWh/m² in December across the year — September's 4.46 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Bright
64.0Bright
74.1Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Cañuelas?

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

6.5
Sightseeing
7th-best month of the year
2.5
Beach & pool
8th-best month of the year

September is a reasonable time to visit Cañuelas for sightseeing.

What to pack for Cañuelas in September

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

In September, Cañuelas sees daytime highs around 19°C and nights near 9°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Cañuelas 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 59 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 9 to Apr 20 — about 5.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Cañuelas 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 Cañuelas peaks around January 13 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 13UV 12Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Cañuelas 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 Cañuelas 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 Cañuelas?

Cañuelas sits at 35.1°S, 58.8°W, 36 m above sea level, in Argentina. The nearest listed city is Tristán Suárez, 25 km away.

Topography around Cañuelas

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

Within 3 km, the terrain around Cañuelas has only modest variations in elevation — a maximum elevation change of 37 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 72 m.

The land around Cañuelas is covered by grassland (39%) and artificial surfaces (23%) within 3 km, grassland (55%) and cropland (35%) within 16 km, and grassland (39%) and cropland (39%) within 80 km.

3 km
37 m
16 km
49 m
80 km
72 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Tristán Suárez 25 km · La Unión 28 km · San Vicente 31 km · Ezeiza 31 km · Lobos 34 km · Pontevedra 34 km · Burzaco 42 km · Isidro Casanova 42 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 Cañuelas (-35.0538°, -58.7621°, elevation 36 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).