Trenque Lauquen weather in September

In September, Trenque Lauquen sees average daytime highs of 19°C and overnight lows near 8°C, with 62 mm of rain across 6.1 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 20°C by the end. The sky is clear or mostly clear about 45% 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 Trenque Lauquen's 8th-clearest and 2nd-windiest month. For the whole year in context, see Trenque Lauquen's year-round climate.

Daytime high
19°
8th warmest
Overnight low
4th coldest
Rainfall
62 mm
6.1 wet days
Daylight
11 h 48 min
7:12 AM – 6:59 PM
Cloud cover
49%
8th clearest
Wind
14 km/h
2nd windiest
Solar energy
4.62 kWh/m²
Travel score
6.9
out of 10

Trenque Lauquen is city 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 18°C in the first days to 20°C by the end.

A typical September day in Trenque Lauquen reaches about 19°C in the afternoon and slips back to 8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, September runs about 3°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1187
2187
3187
4187
5187
6187
7187
8197
9197
10197
11197
12197
13197
14198
15198
16198
17198
18208
19208
20208
21208
22208
23208
24208
25209
26209
27209
28209
29209
30209

Trenque Lauquen 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°100914.25.8
Feb28° / 17°88813.46.6
Mar26° / 15°1028.312.37.3
Apr22° / 11°817.811.17.2
May18° / 355.310.16.3
Jun15° / 233.69.65.0
Jul14° / 223.89.84.7
Aug17° / 364.210.66.2
Sep19° / 626.111.86.9
Oct22° / 11°979.912.96.9
Nov26° / 14°998.913.97.2
Dec28° / 16°969.114.46.3

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 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55644
65644
75644
85743
95743
105743
115842
125842
136040
146040
156040
166139
176040
186040
195941
205941
215941
225941
235842
245842
255644
265644
275545
285545
295545
305347

Chance of precipitation in September

Any precipitation

Trenque Lauquen gets around 62 mm of rain over 6.1 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 20% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
117
217
318
418
518
619
719
819
919
1019
1119
1219
1319
1419
1519
1619
1719
1819
1919
2019
2120
2221
2321
2422
2523
2624
2725
2825
2926
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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19631
29631
39631
49631
59631
69631
79631
89631
99631
109631
119721
129721
139721
149721
159721
169721
179721
189820
199820
209730
219730
229730
239640
249640
259550
269550
279460
289460
299370
309181

Wind in September

Winds average 14 km/h in September.

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 7:35 AM to 6:51 AM, and sunset from 6:47 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:356:47
211.27:336:47
311.37:326:48
411.37:306:49
511.47:296:50
611.47:276:51
711.47:266:51
811.57:246:52
911.57:236:53
1011.57:216:54
1111.67:206:55
1211.67:186:55
1311.77:176:56
1411.77:156:57
1511.77:146:58
1611.87:126:59
1711.87:106:59
1811.97:097:00
1911.97:077:01
2011.97:067:02
2112.07:047:03
2212.07:037:03
2312.07:017:04
2412.17:007:05
2512.16:587:06
2612.26:577:07
2712.26:557:07
2812.26:547:08
2912.36:527:09
3012.36:517:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.66 kWh/m² in December across the year — September's 4.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Trenque Lauquen?

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

6.9
Sightseeing
4th-best month of the year
3.1
Beach & pool
8th-best month of the year

September is a reasonable time to visit Trenque Lauquen for sightseeing.

What to pack for Trenque Lauquen in September

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

In September, Trenque Lauquen sees daytime highs around 19°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 6 days see rain.

a warm layersun protection

UV index in Trenque Lauquen 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 Trenque Lauquen peaks around January 13 at about 13 (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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 13UV 13Jun 20UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Trenque Lauquen?

Trenque Lauquen sits at 36.0°S, 62.7°W, 94 m above sea level, in Argentina. The nearest listed city is Pehuajó, 77 km away.

Topography around Trenque Lauquen

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

Within 3 km, the terrain around Trenque Lauquen has only modest variations in elevation — a maximum elevation change of 18 m around an average of 93 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, only modest variations in elevation — a maximum elevation change of 61 m.

The land around Trenque Lauquen is covered by cropland (42%) and artificial surfaces (32%) within 3 km, cropland (81%) within 16 km, and cropland (84%) within 80 km.

3 km
18 m
16 km
34 m
80 km
61 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Pehuajó 77 km · General Pico 99 km · General Villegas 108 km · Carlos Casares 129 km · San Carlos de Bolívar 148 km · Santa Rosa 157 km · Lincoln 164 km · Toay 167 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 Trenque Lauquen (-35.9733°, -62.7328°, elevation 94 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).