Puerto Natales weather in September

In September, Puerto Natales sees average daytime highs of 7°C and overnight lows near 1°C, with 96 mm of precipitation across 15.3 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 6°C in the first days to 8°C by the end. The sky is clear or mostly clear about 10% of the time in September, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of September to 12 h 36 min by month's end. Set against the rest of the year, September is Puerto Natales's 3rd-clearest and 8th-windiest month. For the whole year in context, see Puerto Natales's year-round climate.

Daytime high
8th warmest
Overnight low
5th coldest
Precipitation
96 mm
15.3 wet days
Daylight
11 h 36 min
7:56 AM – 7:33 PM
Cloud cover
75%
3rd clearest
Wind
12 km/h
8th windiest
Solar energy
2.62 kWh/m²
Travel score
0.8
out of 10

Puerto Natales is city in Chilean Patagonia.

Founded
1911

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 6°C in the first days to 8°C by the end.

A typical September day in Puerto Natales reaches about 7°C in the afternoon and slips back to 1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 10°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

-5°10°15°151015202530
Avg high (°C)Avg low (°C)
160
260
360
461
561
661
761
861
971
1071
1171
1271
1371
1471
1571
1671
1771
1871
1971
2072
2182
2282
2382
2482
2582
2682
2782
2882
2982
3082

How September really feels in Puerto Natales

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Puerto Natales weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan14° / 13921.4015.92.8
Feb14° / 11417.5014.43.0
Mar12° / 13619.10.312.52.6
Apr10° / 14417.42.110.41.6
May / 11216.44.18.60.4
Jun / -2°9814.76.97.70.0
Jul / -2°9314.87.680.0
Aug / -1°100167.29.60.1
Sep / 9615.34.611.60.8
Oct / 11716.83.213.61.6
Nov11° / 14119.91.715.42.1
Dec13° / 14822.10.316.42.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22575
32575
42674
52674
62674
72674
82674
92674
102575
112575
122674
132575
142575
152575
162575
172575
182575
192674
202674
212773
222773
232773
242773
252773
262773
272872
282872
292872
302872

Chance of precipitation in September

Any precipitationSnow

Puerto Natales gets around 96 mm of rain and snow over 15.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 51% and peaks near 54% on the wettest days, and about 5 days bring snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
14917
24917
34917
44917
55017
65017
75117
85117
95218
105318
115318
125318
135418
145418
155418
165318
175318
185317
195216
205116
215115
225014
234914
244913
254812
264811
274711
284710
294710
304710

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 12 km/h in September.

Across September, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 10 h 36 min at the start of September to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over September. Sunrise moves from 8:32 AM to 7:22 AM, and sunset from 7:08 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:327:08
210.78:297:09
310.78:277:11
410.88:257:13
510.98:227:14
610.98:207:16
711.08:187:18
811.18:157:19
911.18:137:21
1011.28:117:23
1111.38:087:24
1211.38:067:26
1311.48:037:28
1411.58:017:29
1511.57:597:31
1611.67:567:33
1711.77:547:34
1811.77:517:36
1911.87:497:38
2011.97:467:39
2111.97:447:41
2212.07:427:43
2312.17:397:44
2412.27:377:46
2512.27:347:48
2612.37:327:49
2712.47:307:51
2812.47:277:53
2912.57:257:54
3012.67:227:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.62 kWh/m².

For context, solar energy here swings from a low near 0.62 kWh/m² to a high of 5.21 kWh/m² in December across the year — September's 2.62 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
12.0Moderate
22.0Moderate
32.1Moderate
42.1Moderate
52.2Moderate
62.2Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.4Moderate
112.4Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.6Moderate
162.6Moderate
172.7Moderate
182.7Moderate
192.8Moderate
202.8Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.1Moderate
263.2Moderate
273.2Moderate
283.3Moderate
293.3Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Puerto Natales?

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

0.8
Sightseeing
8th-best month of the year
Beach & pool
never really warm enough

September is a weaker month for outdoor sightseeing in Puerto Natales.

What to pack for Puerto Natales in September

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

In September, Puerto Natales sees daytime highs around 7°C and nights near 1°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 15 days see rain.

a warm layerrain geara heavy coat

UV index in Puerto Natales in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Puerto Natales peaks around December 24 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highModerateLowModerateHighVery highDec 24UV 9Jun 21UV 1
UV index (midday)Level
Jan9Very high
Feb8Very high
Mar4Moderate
Apr2Moderate
May1Low
Jun1Low
Jul1Low
Aug1Low
Sep3Moderate
Oct5Moderate
Nov6High
Dec9Very high
Location & terrain

Where is Puerto Natales?

Puerto Natales sits at 51.7°S, 72.5°W, 16 m above sea level, in Chile. The nearest listed city is El Calafate, 155 km away.

Río GallegosEl ChaltenRío GrandeUshuaiaLas HerasPico Truncado

Topography around Puerto Natales

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

Within 3 km, the terrain around Puerto Natales has only modest variations in elevation — a maximum elevation change of 75 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 930 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,000 m.

The land around Puerto Natales is covered by water (41%) and grassland (33%) within 3 km, grassland (47%), trees (30%) and water (21%) within 16 km, and grassland (51%) and trees (26%) within 80 km.

3 km
75 m
16 km
930 m
80 km
2,000 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
September weather nearby: El Calafate 155 km · Punta Arenas 193 km · Río Gallegos 225 km · El Chalten 268 km · Río Grande 395 km · Ushuaia 441 km · Las Heras 633 km · Pico Truncado 640 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 Puerto Natales (-51.7299°, -72.506°, elevation 16 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).