Lautaro weather in September

In September, Lautaro sees average daytime highs of 14°C and overnight lows near 5°C, with 97 mm of rain across 11.7 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 15°C by the end. The sky is clear or mostly clear about 20% 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 24 min by month's end. Set against the rest of the year, September is Lautaro's 8th-clearest and 8th-windiest month. For the whole year in context, see Lautaro's year-round climate.

Daytime high
14°
8th warmest
Overnight low
4th coldest
Rainfall
97 mm
11.7 wet days
Daylight
11 h 48 min
7:51 AM – 7:37 PM
Cloud cover
65%
8th clearest
Wind
11 km/h
8th windiest
Solar energy
3.86 kWh/m²
Travel score
4.0
out of 10

Lautaro is settlement in Chile.

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 13°C in the first days to 15°C by the end.

A typical September day in Lautaro reaches about 14°C in the afternoon and slips back to 5°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 18°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
1134
2134
3134
4134
5144
6144
7144
8144
9144
10145
11145
12145
13145
14145
15145
16145
17145
18155
19155
20155
21155
22155
23155
24155
25155
26155
27155
28156
29156
30156

Lautaro weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 10°24414.48.4
Feb24° / 10°313.813.58.5
Mar22° / 485.712.37.5
Apr17° / 889115.6
May14° / 16612.99.93.7
Jun11° / 23416.99.42.3
Jul11° / 193169.62.3
Aug12° / 16915.110.52.9
Sep14° / 9711.711.74.0
Oct16° / 9010.7135.0
Nov19° / 587.914.16.3
Dec21° / 496.214.67.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23268
33268
43466
53466
63565
73565
83664
93664
103664
113664
123763
133763
143763
153763
163763
173763
183763
193763
203763
213763
223664
233664
243664
253664
263565
273565
283565
293565
303565

Chance of precipitation in September

Any precipitation

Lautaro gets around 97 mm of rain over 11.7 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 39% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
246
345
445
544
643
742
842
942
1042
1141
1241
1341
1440
1539
1639
1738
1838
1937
2037
2137
2237
2336
2436
2536
2635
2735
2835
2934
3034

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 06 min at the start of September to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over September. Sunrise moves from 8:16 AM to 7:28 AM, and sunset from 7:23 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.18:167:23
211.28:147:24
311.28:137:25
411.28:117:26
511.38:097:27
611.38:087:28
711.48:067:29
811.48:057:29
911.58:037:30
1011.58:017:31
1111.58:007:32
1211.67:587:33
1311.67:567:34
1411.77:557:35
1511.77:537:36
1611.87:517:37
1711.87:507:38
1811.87:487:39
1911.97:467:39
2011.97:457:40
2112.07:437:41
2212.07:427:42
2312.17:407:43
2412.17:387:44
2512.17:377:45
2612.27:357:46
2712.27:337:47
2812.37:327:48
2912.37:307:49
3012.47:287:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.86 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 7.85 kWh/m² in January across the year — September's 3.86 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.2Moderate
43.2Moderate
53.3Moderate
63.4Moderate
73.4Moderate
83.5Moderate
93.5Moderate
103.6Moderate
113.6Moderate
123.7Moderate
133.7Moderate
143.8Moderate
153.8Moderate
163.9Moderate
173.9Moderate
184.0Moderate
194.0Bright
204.1Bright
214.1Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Lautaro

In seasonPeak

None of Lautaro's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Lautaro's rainy season runs May–August, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Lautaro?

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

4.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

September is a reasonable time to visit Lautaro for sightseeing.

What to pack for Lautaro in September

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

In September, Lautaro sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Lautaro 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 Lautaro peaks around December 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 21UV 12Jun 16UV 2
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Lautaro 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 Lautaro is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 6.2× the cleanest month (November, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateGoodGoodMar 1755 µg/m³Nov 199 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb39Poor
Mar57Unhealthy
Apr40Poor
May21Moderate
Jun13Moderate
Jul11Good
Aug11Good
Sep12Moderate
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Lautaro?

Lautaro sits at 38.5°S, 72.4°W, 217 m above sea level, in Chile. The nearest listed city is Vilcún, 24 km away.

Topography around Lautaro

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

Within 3 km, the terrain around Lautaro has only modest variations in elevation — a maximum elevation change of 101 m around an average of 227 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 656 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,091 m.

The land around Lautaro is covered by cropland (34%), trees (24%) and grassland (22%) within 3 km, cropland (43%), trees (35%) and grassland (20%) within 16 km, and trees (59%) within 80 km.

3 km
101 m
16 km
656 m
80 km
3,091 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Vilcún 24 km · Temuco 27 km · Padre Las Casas 29 km · Victoria 34 km · Traiguén 37 km · Labranza 38 km · Freire 50 km · Nueva Imperial 51 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to 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 Lautaro (-38.5307°, -72.4365°, elevation 217 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).