Iquique weather in September

In September, Iquique sees average daytime highs of 17°C and overnight lows near 14°C, with 6 mm of rain across 1.3 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 5% 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 Iquique's 9th-clearest and 2nd-windiest month. For the whole year in context, see Iquique's year-round climate.

Daytime high
17°
10th warmest
Overnight low
14°
3rd coldest
Rainfall
6 mm
1.3 wet days
Daylight
11 h 54 min
7:38 AM – 7:32 PM
Cloud cover
69%
9th clearest
Wind
14 km/h
2nd windiest
Solar energy
6.38 kWh/m²
Travel score
6.2
out of 10

Iquique is city of Peru (1539–1884).

Air quality
Moderate
PM2.5 11.1 µg/m³ · 2019

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 17°C through the month.

A typical September day in Iquique reaches about 17°C in the afternoon and slips back to 14°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 18°C. Set against its neighbours, September runs on par with August and on par with October.

10°13°15°18°20°151015202530
Avg high (°C)Avg low (°C)
11714
21714
31714
41714
51714
61714
71714
81714
91714
101714
111714
121714
131714
141714
151714
161714
171714
181714
191714
201714
211714
221714
231715
241715
251715
261715
271715
281715
291715
301715

Iquique weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 20°10.213.18.1
Feb22° / 20°20.512.78.3
Mar21° / 19°00.112.18.3
Apr20° / 17°10.211.67.8
May19° / 16°82.311.17.1
Jun18° / 15°166.610.85.9
Jul17° / 14°16610.95.6
Aug16° / 14°103.411.35.8
Sep17° / 14°61.311.96.2
Oct17° / 15°30.212.56.7
Nov19° / 16°20.3137.3
Dec20° / 18°10.113.27.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52278
62278
72278
82278
92278
102179
112179
122179
132080
142080
152080
162080
172080
182080
191981
201981
211981
221981
231981
241981
251981
261981
272080
281981
292080
302179

Chance of precipitation in September

Any precipitation

Iquique gets around 6 mm of rain over 1.3 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 4% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
47
57
67
76
86
96
106
115
125
134
144
154
163
173
183
192
202
212
222
232
242
252
262
272
283
293
303

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
163370
262380
361390
460400
560400
660400
760400
859410
960400
1060400
1160400
1259401
1360391
1460391
1560391
1660391
1760391
1859401
1958402
2057412
2156422
2255432
2354442
2452462
2551472
2650482
2749501
2847521
2946531
3045541

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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
211.67:527:28
311.67:517:29
411.77:507:29
511.77:497:29
611.77:487:29
711.77:477:30
811.77:467:30
911.77:457:30
1011.87:447:30
1111.87:437:30
1211.87:427:31
1311.87:417:31
1411.87:407:31
1511.97:397:31
1611.97:387:32
1711.97:377:32
1811.97:367:32
1911.97:357:32
2012.07:347:32
2112.07:347:33
2212.07:337:33
2312.07:327:33
2412.07:317:33
2512.17:307:34
2612.17:297:34
2712.17:287:34
2812.17:277:34
2912.17:267:35
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 6.38 kWh/m².

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 8.22 kWh/m² in December across the year — September's 6.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.8Intense
286.8Intense
296.8Intense
306.9Intense
Planning a trip in September

Is September a good time to visit Iquique?

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

6.2
Sightseeing
9th-best month of the year
1.3
Beach & pool
10th-best month of the year

September is a reasonable time to visit Iquique for sightseeing.

What to pack for Iquique in September

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

In September, Iquique sees daytime highs around 17°C and nights near 14°C. Pack sun protection. Worth having: a warm layer.

sun protectiona warm layer

Sea temperature near Iquique 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 January at about 22°C and coldest in August near 17°C.

It's comfortable for a long swim from Dec 6 to Apr 10 — about 4.1 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun18Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct18Cool
Nov19Cool
Dec20Refreshing

UV index in Iquique 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 Iquique 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 Iquique?

Iquique sits at 20.2°S, 70.2°W, 15 m above sea level, in Chile. The nearest listed city is Alto Hospicio, 8.0 km away.

TacnaCalamaIloSan Antonio

Topography around Iquique

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

Within 3 km, the terrain around Iquique has large variations in elevation — a maximum elevation change of 642 m around an average of 37 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,366 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,271 m.

The land around Iquique is covered by water (56%) and artificial surfaces (29%) within 3 km, water (54%) and bare terrain (43%) within 16 km, and bare terrain (65%) and water (33%) within 80 km.

3 km
642 m
16 km
1,366 m
80 km
2,271 m
shrubsartificial surfacesbare terrainwater
September weather nearby: Alto Hospicio 8.0 km · Pozo Almonte 38 km · Arica 194 km · Tocopilla 209 km · Tacna 245 km · Calama 280 km · Ilo 313 km · San Antonio 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 Iquique (-20.2133°, -70.1503°, elevation 15 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).