Maullín weather in September

In September, Maullín sees average daytime highs of 13°C and overnight lows near 5°C, with 138 mm of rain across 15.4 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 13°C through the month. The sky is clear or mostly clear about 14% 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 Maullín's 6th-clearest and 8th-windiest month. For the whole year in context, see Maullín's year-round climate.

Daytime high: 13°; 9th warmest
Overnight low: 5°; 4th coldest
Rainfall: 138 mm; 15.4 wet days
Daylight: 11 h 42 min; 7:57 AM – 7:40 PM
Cloud cover: 70%; 6th clearest
Wind: 12 km/h; 8th windiest
Solar energy: 3.56 kWh/m²
Travel score: 3.0; out of 10

← August Maullín year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical September day in Maullín reaches about 13°C in the afternoon and slips back to 5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 15°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14
Avg low (°C)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6

	Avg high (°C)	Avg low (°C)
1	12	5
2	12	5
3	12	5
4	12	5
5	12	5
6	12	5
7	12	5
8	12	5
9	12	5
10	12	5
11	13	5
12	13	5
13	13	5
14	13	5
15	13	5
16	13	5
17	13	5
18	13	5
19	13	5
20	13	5
21	13	5
22	13	6
23	13	6
24	13	6
25	13	6
26	14	6
27	14	6
28	14	6
29	14	6
30	14	6

Maullín 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	20° / 11°	63	8.5	14.7	6.5
Feb	20° / 11°	58	7.3	13.7	6.7
Mar	18° / 9°	84	10.9	12.3	5.9
Apr	15° / 8°	121	13.6	10.9	4.3
May	13° / 7°	184	16.8	9.7	3.0
Jun	11° / 5°	214	19.1	9	2.1
Jul	10° / 4°	194	18.7	9.3	1.9
Aug	11° / 5°	199	19.7	10.3	2.2
Sep	13° / 5°	138	15.4	11.7	3.0
Oct	14° / 7°	131	15	13.1	3.7
Nov	16° / 8°	105	12.8	14.3	4.6
Dec	18° / 9°	89	10.8	15	5.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 69%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	31	31	32	34	34	34	34	33	32	32	32	32	32	32	31	31	31	31	31	30	30	30	29	29	29	29	29	29	29	29
Cloudier (%)	69	69	68	66	66	66	66	67	68	68	68	68	68	68	69	69	69	69	69	70	70	70	71	71	71	71	71	71	71	71

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	32	68
4	34	66
5	34	66
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	32	68
12	32	68
13	32	68
14	32	68
15	31	69
16	31	69
17	31	69
18	31	69
19	31	69
20	30	70
21	30	70
22	30	70
23	29	71
24	29	71
25	29	71
26	29	71
27	29	71
28	29	71
29	29	71
30	29	71

Chance of precipitation in September

Any precipitation

Maullín gets around 138 mm of rain over 15.4 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 52% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	60	60	59	58	57	56	55	54	54	53	53	53	52	52	51	50	50	49	49	49	49	49	49	50	50	50	49	49	49	48

	Rain chance (%)
1	60
2	60
3	59
4	58
5	57
6	56
7	55
8	54
9	54
10	53
11	53
12	53
13	52
14	52
15	51
16	50
17	50
18	49
19	49
20	49
21	49
22	49
23	49
24	50
25	50
26	50
27	49
28	49
29	49
30	48

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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 13 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	12	light breeze
16	12	light breeze
17	12	light breeze
18	12	light breeze
19	12	calm
20	12	calm
21	12	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm

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 8:24 AM to 7:32 AM, and sunset from 7:25 PM to 7:56 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.0	11.1	11.1	11.2	11.2	11.3	11.3	11.3	11.4	11.4	11.5	11.5	11.6	11.6	11.7	11.7	11.8	11.8	11.9	11.9	12.0	12.0	12.1	12.1	12.2	12.2	12.3	12.3	12.3	12.4
Sunrise (AM)	8:24	8:22	8:20	8:18	8:17	8:15	8:13	8:11	8:10	8:08	8:06	8:04	8:02	8:01	7:59	7:57	7:55	7:53	7:52	7:50	7:48	7:46	7:44	7:43	7:41	7:39	7:37	7:35	7:34	7:32
Sunset (PM)	7:25	7:26	7:27	7:28	7:29	7:30	7:31	7:32	7:33	7:34	7:35	7:36	7:37	7:38	7:39	7:40	7:42	7:43	7:44	7:45	7:46	7:47	7:48	7:49	7:50	7:51	7:52	7:53	7:54	7:56

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.0	8:24	7:25
2	11.1	8:22	7:26
3	11.1	8:20	7:27
4	11.2	8:18	7:28
5	11.2	8:17	7:29
6	11.3	8:15	7:30
7	11.3	8:13	7:31
8	11.3	8:11	7:32
9	11.4	8:10	7:33
10	11.4	8:08	7:34
11	11.5	8:06	7:35
12	11.5	8:04	7:36
13	11.6	8:02	7:37
14	11.6	8:01	7:38
15	11.7	7:59	7:39
16	11.7	7:57	7:40
17	11.8	7:55	7:42
18	11.8	7:53	7:43
19	11.9	7:52	7:44
20	11.9	7:50	7:45
21	12.0	7:48	7:46
22	12.0	7:46	7:47
23	12.1	7:44	7:48
24	12.1	7:43	7:49
25	12.2	7:41	7:50
26	12.2	7:39	7:51
27	12.3	7:37	7:52
28	12.3	7:35	7:53
29	12.3	7:34	7:54
30	12.4	7:32	7:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.56 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 7.04 kWh/m² in January across the year — September's 3.56 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	2.9	2.9	3.0	3.0	3.1	3.1	3.2	3.2	3.3	3.3	3.4	3.4	3.5	3.5	3.5	3.6	3.6	3.7	3.7	3.8	3.8	3.9	3.9	3.9	4.0	4.0	4.1	4.1	4.1	4.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	2.9	Moderate
2	2.9	Moderate
3	3.0	Moderate
4	3.0	Moderate
5	3.1	Moderate
6	3.1	Moderate
7	3.2	Moderate
8	3.2	Moderate
9	3.3	Moderate
10	3.3	Moderate
11	3.4	Moderate
12	3.4	Moderate
13	3.5	Moderate
14	3.5	Moderate
15	3.5	Moderate
16	3.6	Moderate
17	3.6	Moderate
18	3.7	Moderate
19	3.7	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.9	Moderate
23	3.9	Moderate
24	3.9	Moderate
25	4.0	Moderate
26	4.0	Bright
27	4.1	Bright
28	4.1	Bright
29	4.1	Bright
30	4.2	Bright

Planning a trip in September

Hazard calendar for Maullín

In seasonPeak

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

Maullín's rainy season runs April–November, 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 Maullín?

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

3.0

Sightseeing

8th-best month of the year

0.0

Beach & pool

9th-best month of the year

September is a weaker month for outdoor sightseeing in Maullín.

What to pack for Maullín in September

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

In September, Maullín sees daytime highs around 13°C and nights near 5°C. Pack rain gear. Worth having: a warm layer. About 15 days see rain.

rain geara warm layer

Sea temperature near Maullín 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 23 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	14	14	14	13	12	12	11	11	11	11	12	14
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	14	Bracing
Feb	14	Bracing
Mar	14	Bracing
Apr	13	Bracing
May	12	Bracing
Jun	12	Bracing
Jul	11	Bracing
Aug	11	Bracing
Sep	11	Bracing
Oct	11	Bracing
Nov	12	Bracing
Dec	14	Bracing

UV index in Maullín 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 Maullín 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	11	7	4	2	1	2	2	4	7	8	12
Level	Extreme	Extreme	High	Moderate	Moderate	Low	Low	Moderate	Moderate	High	Very high	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	11	Extreme
Mar	7	High
Apr	4	Moderate
May	2	Moderate
Jun	1	Low
Jul	2	Low
Aug	2	Moderate
Sep	4	Moderate
Oct	7	High
Nov	8	Very high
Dec	12	Extreme

Location & terrain

Where is Maullín?

Maullín sits at 41.6°S, 73.6°W, 14 m above sea level, in Chile. The nearest listed city is Ancud, 33 km away.

Topography around Maullín

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

Within 3 km, the terrain around Maullín has only modest variations in elevation — a maximum elevation change of 44 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 160 m; within 80 km, large variations in elevation — a maximum elevation change of 935 m.

The land around Maullín is covered by grassland (39%) and water (36%) within 3 km, trees (37%), grassland (32%) and water (26%) within 16 km, and water (46%) and trees (35%) within 80 km.

3 km

44 m

grassland 39%

16 km

160 m

trees 37%

80 km

935 m

water 46%

treesgrasslandcroplandartificial surfaceswaterwetland

← August Maullín year-round climate October →Best places to visit in September

September weather nearby: Ancud 33 km · Calbuco 43 km · Puerto Montt 57 km · Puerto Varas 61 km · Llanquihue 64 km · Frutillar 71 km · Purranque 87 km · Castro 96 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

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 Maullín (-41.6178°, -73.5983°, elevation 14 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).

	Avg high (°C)	Avg low (°C)
1	12	5
2	12	5
3	12	5
4	12	5
5	12	5
6	12	5
7	12	5
8	12	5
9	12	5
10	12	5
11	13	5
12	13	5
13	13	5
14	13	5
15	13	5
16	13	5
17	13	5
18	13	5
19	13	5
20	13	5
21	13	5
22	13	6
23	13	6
24	13	6
25	13	6
26	14	6
27	14	6
28	14	6
29	14	6
30	14	6

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	32	68
4	34	66
5	34	66
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	32	68
12	32	68
13	32	68
14	32	68
15	31	69
16	31	69
17	31	69
18	31	69
19	31	69
20	30	70
21	30	70
22	30	70
23	29	71
24	29	71
25	29	71
26	29	71
27	29	71
28	29	71
29	29	71
30	29	71

	Rain chance (%)
1	60
2	60
3	59
4	58
5	57
6	56
7	55
8	54
9	54
10	53
11	53
12	53
13	52
14	52
15	51
16	50
17	50
18	49
19	49
20	49
21	49
22	49
23	49
24	50
25	50
26	50
27	49
28	49
29	49
30	48

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	12	5
2	12	5
3	12	5
4	12	5
5	12	5
6	12	5
7	12	5
8	12	5
9	12	5
10	12	5
11	13	5
12	13	5
13	13	5
14	13	5
15	13	5
16	13	5
17	13	5
18	13	5
19	13	5
20	13	5
21	13	5
22	13	6
23	13	6
24	13	6
25	13	6
26	14	6
27	14	6
28	14	6
29	14	6
30	14	6

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	32	68
4	34	66
5	34	66
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	32	68
12	32	68
13	32	68
14	32	68
15	31	69
16	31	69
17	31	69
18	31	69
19	31	69
20	30	70
21	30	70
22	30	70
23	29	71
24	29	71
25	29	71
26	29	71
27	29	71
28	29	71
29	29	71
30	29	71

	Rain chance (%)
1	60
2	60
3	59
4	58
5	57
6	56
7	55
8	54
9	54
10	53
11	53
12	53
13	52
14	52
15	51
16	50
17	50
18	49
19	49
20	49
21	49
22	49
23	49
24	50
25	50
26	50
27	49
28	49
29	49
30	48

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	12	5
2	12	5
3	12	5
4	12	5
5	12	5
6	12	5
7	12	5
8	12	5
9	12	5
10	12	5
11	13	5
12	13	5
13	13	5
14	13	5
15	13	5
16	13	5
17	13	5
18	13	5
19	13	5
20	13	5
21	13	5
22	13	6
23	13	6
24	13	6
25	13	6
26	14	6
27	14	6
28	14	6
29	14	6
30	14	6

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	32	68
4	34	66
5	34	66
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	32	68
12	32	68
13	32	68
14	32	68
15	31	69
16	31	69
17	31	69
18	31	69
19	31	69
20	30	70
21	30	70
22	30	70
23	29	71
24	29	71
25	29	71
26	29	71
27	29	71
28	29	71
29	29	71
30	29	71

	Rain chance (%)
1	60
2	60
3	59
4	58
5	57
6	56
7	55
8	54
9	54
10	53
11	53
12	53
13	52
14	52
15	51
16	50
17	50
18	49
19	49
20	49
21	49
22	49
23	49
24	50
25	50
26	50
27	49
28	49
29	49
30	48

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100