Ica weather in September

In September, Ica sees average daytime highs of 26°C and overnight lows near 15°C, with 0 mm of rain across 0 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 79% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Ica's 4th-clearest and 5th-windiest month. For the whole year in context, see Ica's year-round climate.

Daytime high
26°
9th warmest
Overnight low
15°
3rd coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 54 min
6:00 AM – 5:55 PM
Cloud cover
21%
4th clearest
Wind
7 km/h
5th windiest
Solar energy
7.02 kWh/m²
Travel score
9.1
out of 10

Ica is city of Peru, capital of Ica region.

Founded
1563

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 26°C through the month.

A typical September day in Ica reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102615
112615
122615
132615
142615
152615
162615
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616

Ica weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°245.712.76.0
Feb28° / 20°318.912.55.4
Mar29° / 20°216.812.15.7
Apr28° / 19°40.911.77.4
May27° / 17°0011.48.8
Jun25° / 16°0011.29.3
Jul24° / 15°0011.39.6
Aug25° / 15°0011.59.5
Sep26° / 15°0011.99.1
Oct27° / 16°10.412.38.4
Nov27° / 17°10.412.77.9
Dec28° / 18°51.712.87.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3946
4937
5937
6928
7928
8919
9919
109010
119010
129010
138911
148812
158812
168812
178812
188713
198713
208713
218713
228713
238713
248713
258713
268713
278713
288614
298614
308614

Chance of precipitation in September

Any precipitation

Ica gets around 0 mm of rain over 0 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 1% 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
301

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10973
11973
12964
13964
14964
15964
16964
17964
18964
19964
20964
21964
22964
23964
24964
25973
26973
27973
28973
29973
30973

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 6:11 AM to 5:49 AM, and sunset from 5:54 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:115:54
211.76:105:54
311.76:095:54
411.86:095:55
511.86:085:55
611.86:075:55
711.86:065:55
811.86:065:55
911.86:055:55
1011.86:045:55
1111.96:035:55
1211.96:035:55
1311.96:025:55
1411.96:015:55
1511.96:005:55
1611.96:005:55
1711.95:595:55
1811.95:585:55
1912.05:575:55
2012.05:565:55
2112.05:565:55
2212.05:555:55
2312.05:545:55
2412.05:535:55
2512.05:535:55
2612.15:525:55
2712.15:515:55
2812.15:505:55
2912.15:505:56
3012.15:495:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 7.02 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.76 kWh/m² in November across the year — September's 7.02 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.7Intense
36.7Intense
46.7Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.9Intense
116.9Intense
126.9Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.3Intense
267.3Intense
277.3Intense
287.3Intense
297.4Intense
307.4Intense
Planning a trip in September

Is September a good time to visit Ica?

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

9.1
Sightseeing
4th-best month of the year
8.4
Beach & pool
2nd-best month of the year

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

What to pack for Ica in September

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

In September, Ica sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Ica in September

The nearest coast averages about 15°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 54 km away) is warmest in February at about 21°C and coldest in September near 15°C.

It's comfortable for a long swim from Jan 16 to Mar 8 — about 1.7 months when the water holds above 20°C.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb21Refreshing
Mar20Cool
Apr18Cool
May18Cool
Jun17Cool
Jul16Cool
Aug16Cool
Sep15Cool
Oct16Cool
Nov17Cool
Dec18Cool

UV index in Ica 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 Ica peaks around February 13 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 13UV 17Jun 22UV 9
UV index (midday)Level
Jan16Extreme
Feb18Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov14Extreme
Dec15Extreme
Location & terrain

Where is Ica?

Ica sits at 14.1°S, 75.7°W, 396 m above sea level, in Peru. The nearest listed city is Paracas, 62 km away.

NazcaNuevo ImperialImperialSan Vicente de Cañete

Topography around Ica

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

Within 3 km, the terrain around Ica has only modest variations in elevation — a maximum elevation change of 118 m around an average of 405 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,045 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,519 m.

The land around Ica is covered by artificial surfaces (42%) and bare terrain (34%) within 3 km, bare terrain (66%) within 16 km, and bare terrain (58%) within 80 km.

3 km
118 m
16 km
1,045 m
80 km
4,519 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Paracas 62 km · San Clemente 64 km · Pisco 65 km · Chincha Alta 86 km · Nazca 120 km · Nuevo Imperial 128 km · Imperial 131 km · San Vicente de Cañete 132 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Ica (-14.0754°, -75.7342°, elevation 396 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).