Ancud weather in September

In September, Ancud sees average daytime highs of 11°C and overnight lows near 8°C, with 147 mm of rain across 14.9 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of September to 12 h 24 min by month's end. Set against the rest of the year, September is Ancud's 8th-clearest and 6th-windiest month. For the whole year in context, see Ancud's year-round climate.

Daytime high
11°
9th warmest
Overnight low
3rd coldest
Rainfall
147 mm
14.9 wet days
Daylight
11 h 42 min
7:58 AM – 7:41 PM
Cloud cover
65%
8th clearest
Wind
16 km/h
6th windiest
Solar energy
3.6 kWh/m²
Travel score
2.4
out of 10

Ancud is city in Chile.

Density
4,730/km²
people per km²
Founded
1768

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical September day in Ancud reaches about 11°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 13°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

10°13°15°151015202530
Avg high (°C)Avg low (°C)
1118
2118
3118
4118
5118
6118
7118
8118
9118
10118
11118
12118
13118
14118
15118
16118
17118
18118
19118
20118
21118
22118
23118
24128
25128
26128
27128
28128
29128
30128

Ancud weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 12°628.814.75.4
Feb17° / 12°597.613.75.6
Mar16° / 12°9511.312.34.8
Apr14° / 10°14414.610.93.5
May12° / 22517.69.72.7
Jun11° / 28119.992.0
Jul10° / 24419.39.31.8
Aug11° / 24619.410.32.0
Sep11° / 14714.911.72.4
Oct12° / 13114.613.12.9
Nov13° / 10°10411.714.43.7
Dec15° / 11°8710.8154.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23961
33961
44060
54159
64159
74159
84159
94159
104159
114159
124159
134159
144258
154159
164258
174258
184258
194258
204357
214357
224258
234258
244258
254258
264159
274159
284060
294060
304060

Chance of precipitation in September

Any precipitation

Ancud gets around 147 mm of rain over 14.9 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 50% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
157
257
356
455
553
652
751
851
950
1050
1150
1250
1349
1449
1549
1648
1748
1848
1948
2048
2149
2249
2350
2450
2550
2650
2750
2849
2949
3049

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 16 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 hours 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 84 minutes over September. Sunrise moves from 8:25 AM to 7:33 AM, and sunset from 7:25 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.08:257:25
211.18:237:26
311.18:217:27
411.28:197:28
511.28:187:30
611.28:167:31
711.38:147:32
811.38:127:33
911.48:117:34
1011.48:097:35
1111.58:077:36
1211.58:057:37
1311.68:037:38
1411.68:027:39
1511.78:007:40
1611.77:587:41
1711.87:567:42
1811.87:547:43
1911.97:527:44
2011.97:517:46
2112.07:497:47
2212.07:477:48
2312.17:457:49
2412.17:437:50
2512.27:427:51
2612.27:407:52
2712.37:387:53
2812.37:367:54
2912.37:347:55
3012.47:337:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.6 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 7.05 kWh/m² in January across the year — September's 3.6 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
33.0Moderate
43.0Moderate
53.1Moderate
63.1Moderate
73.2Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.4Moderate
123.4Moderate
133.5Moderate
143.5Moderate
153.6Moderate
163.6Moderate
173.7Moderate
183.7Moderate
193.8Moderate
203.8Moderate
213.9Moderate
223.9Moderate
234.0Moderate
244.0Bright
254.0Bright
264.1Bright
274.1Bright
284.2Bright
294.2Bright
304.3Bright
Planning a trip in September

Hazard calendar for Ancud

In seasonPeak

In September, Ancud sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Ancud's rainy season runs April–October, 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 Ancud?

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

2.4
Sightseeing
9th-best month of the year
Beach & pool
never really warm enough

September is a weaker month for outdoor sightseeing in Ancud.

What to pack for Ancud in September

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

In September, Ancud sees daytime highs around 11°C and nights near 8°C. Pack a warm layer and rain gear. About 15 days see rain.

a warm layerrain gear

Sea temperature near Ancud in September

The nearest coast averages about 11°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 26 km away) is warmest in January at about 14°C and coldest in August near 11°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr13Bracing
May12Bracing
Jun12Bracing
Jul11Bracing
Aug11Bracing
Sep11Bracing
Oct11Bracing
Nov12Bracing
Dec14Bracing

UV index in Ancud in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ancud peaks around December 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateHighVery highExtremeDec 23UV 12Jun 19UV 1
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar7High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct7High
Nov8Very high
Dec12Extreme
Location & terrain

Where is Ancud?

Ancud sits at 41.9°S, 73.8°W, 51 m above sea level, in Chile. The nearest listed city is Maullín, 33 km away.

Topography around Ancud

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

Within 3 km, the terrain around Ancud has only modest variations in elevation — a maximum elevation change of 222 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 362 m; within 80 km, large variations in elevation — a maximum elevation change of 847 m.

The land around Ancud is covered by water (52%) and trees (22%) within 3 km, water (40%), trees (39%) and grassland (20%) within 16 km, and water (52%) and trees (33%) within 80 km.

3 km
222 m
16 km
362 m
80 km
847 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Maullín 33 km · Calbuco 58 km · Castro 67 km · Puerto Montt 85 km · Puerto Varas 92 km · Llanquihue 96 km · Frutillar 105 km · Purranque 120 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 Ancud (-41.8707°, -73.8162°, elevation 51 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).