Alto Hospicio weather in September

In September, Alto Hospicio sees average daytime highs of 22°C and overnight lows near 12°C, with 0 mm of rain across 0.1 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 89% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Alto Hospicio's 1st-clearest and 8th-windiest month. For the whole year in context, see Alto Hospicio's year-round climate.

Daytime high
22°
9th warmest
Overnight low
12°
4th coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 54 min
7:38 AM – 7:31 PM
Cloud cover
17%
1st clearest
Wind
6 km/h
8th windiest
Solar energy
6.85 kWh/m²
Travel score
9.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical September day in Alto Hospicio reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12211
22211
32211
42211
52211
62211
72211
82211
92211
102211
112211
122211
132211
142211
152211
162212
172212
182212
192212
202212
212212
222212
232212
242212
252212
262212
272212
282212
292212
302212

Alto Hospicio weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°3113.18.5
Feb25° / 17°41.212.78.4
Mar25° / 16°10.412.19.0
Apr24° / 14°0011.59.2
May23° / 12°00.111.19.1
Jun21° / 10°00.110.88.7
Jul21° / 10.210.98.6
Aug21° / 10°10.211.38.8
Sep22° / 12°00.111.99.1
Oct23° / 13°0012.59.1
Nov23° / 14°00139.1
Dec24° / 15°10.313.28.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1937
2946
3946
4946
5946
6946
7946
8946
9946
10946
11946
12946
13946
14946
15946
16946
17946
18937
19937
20937
21937
22928
23928
24928
25928
26928
27928
28928
29928
30928

Chance of precipitation in September

Any precipitation

Alto Hospicio gets around 0 mm of rain over 0.1 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 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
20991
21991
22991
23991
24991
25991
261000
271000
281000
291000
301000

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 7:52 AM to 7:25 AM, and sunset from 7:28 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:527:28
211.67:517:28
311.67:517:28
411.77:507:29
511.77:497:29
611.77:487:29
711.77:477:29
811.77:467:30
911.77:457:30
1011.87:447:30
1111.87:437:30
1211.87:427:30
1311.87:417:31
1411.87:407:31
1511.97:397:31
1611.97:387:31
1711.97:377:32
1811.97:367:32
1911.97:357:32
2012.07:347:32
2112.07:337:32
2212.07:327:33
2312.07:317:33
2412.07:307:33
2512.17:307:33
2612.17:297:34
2712.17:287:34
2812.17:277:34
2912.17:267:34
3012.27:257:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.85 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 8.5 kWh/m² in December across the year — September's 6.85 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.4Intense
36.4Intense
46.4Intense
56.5Intense
66.5Intense
76.5Intense
86.6Intense
96.6Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.9Intense
176.9Intense
186.9Intense
197.0Intense
207.0Intense
217.0Intense
227.1Intense
237.1Intense
247.2Intense
257.2Intense
267.2Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
Planning a trip in September

Is September a good time to visit Alto Hospicio?

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

9.1
Sightseeing
2nd-best month of the year
6.2
Beach & pool
9th-best month of the year

September is one of the better times to visit Alto Hospicio for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Alto Hospicio in September

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

In September, Alto Hospicio sees daytime highs around 22°C and nights near 12°C. Pack sun protection.

sun protection

Sea temperature near Alto Hospicio in September

The nearest coast averages about 17°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 22°C and coldest in August near 17°C.

It's comfortable for a long swim from Dec 9 to Apr 6 — about 3.9 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun18Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct18Cool
Nov19Cool
Dec20Refreshing

UV index in Alto Hospicio in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alto Hospicio peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 23UV 15Jul 11UV 7
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme
Location & terrain

Where is Alto Hospicio?

Alto Hospicio sits at 20.3°S, 70.1°W, 544 m above sea level, in Chile. The nearest listed city is Iquique, 8.0 km away.

TacnaCalamaIloUyuni

Topography around Alto Hospicio

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

Within 3 km, the terrain around Alto Hospicio has large variations in elevation — a maximum elevation change of 660 m around an average of 409 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,345 m.

The land around Alto Hospicio is covered by bare terrain (66%) and artificial surfaces (30%) within 3 km, bare terrain (65%) and water (32%) within 16 km, and bare terrain (67%) and water (32%) within 80 km.

3 km
660 m
16 km
1,384 m
80 km
2,345 m
shrubsartificial surfacesbare terrainwater
September weather nearby: Iquique 8.0 km · Pozo Almonte 33 km · Arica 200 km · Tocopilla 203 km · Tacna 251 km · Calama 272 km · Ilo 321 km · Uyuni 343 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 Alto Hospicio (-20.2687°, -70.1049°, elevation 544 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).