Barranca weather in September

In September, Barranca sees average daytime highs of 20°C and overnight lows near 15°C, with 2 mm of rain across 0.2 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 40% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Barranca's 5th-clearest and 1st-windiest month. For the whole year in context, see Barranca's year-round climate.

Daytime high
20°
11th warmest
Overnight low
15°
2nd coldest
Rainfall
2 mm
0.2 wet days
Daylight
11 h 54 min
6:07 AM – 6:04 PM
Cloud cover
50%
5th clearest
Wind
13 km/h
1st windiest
Solar energy
6.51 kWh/m²
Travel score
7.9
out of 10

Barranca is capital city of Barranca, Lima, Peru.

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 20°C through the month.

A typical September day in Barranca reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 21°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)
12015
22015
32015
42015
52015
62015
72015
82015
92015
102015
112015
122015
132015
142015
152015
162015
172015
182015
192015
202015
212015
222015
232015
242015
252015
262015
272015
282015
292015
302015

Barranca weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 20°134.512.67.4
Feb25° / 20°257.112.46.7
Mar24° / 20°236.812.16.9
Apr23° / 19°51.511.87.9
May22° / 17°20.511.58.3
Jun21° / 17°20.211.48.2
Jul20° / 16°20.211.48.1
Aug20° / 15°30.611.68.0
Sep20° / 15°20.211.97.9
Oct21° / 16°20.312.27.7
Nov22° / 17°20.412.57.8
Dec23° / 18°51.412.67.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 30% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28317
38317
48119
58020
67921
77723
87723
97525
107327
117327
127129
137030
146931
156832
166733
176634
186634
196535
206535
216436
226436
236436
246436
256436
266337
276436
286436
296436
306535

Chance of precipitation in September

Any precipitation

Barranca gets around 2 mm of rain over 0.2 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
31
41
51
61
71
80
90
100
110
120
130
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
290
300

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
116804
215814
315814
415814
514824
614824
714824
814824
914824
1014824
1114824
1214824
1314824
1414824
1513834
1613834
1713843
1813843
1913843
2013843
2112853
2212844
2312844
2412844
2512844
2612844
2711854
2811854
2911854
3010864

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 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
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 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 18 minutes over September. Sunrise moves from 6:17 AM to 5:58 AM, and sunset from 6:05 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:176:05
211.86:166:04
311.86:166:04
411.86:156:04
511.86:146:04
611.86:146:04
711.96:136:04
811.96:136:04
911.96:126:04
1011.96:116:04
1111.96:116:04
1211.96:106:04
1311.96:096:04
1411.96:096:04
1511.96:086:04
1611.96:076:04
1712.06:066:04
1812.06:066:03
1912.06:056:03
2012.06:046:03
2112.06:046:03
2212.06:036:03
2312.06:026:03
2412.06:026:03
2512.06:016:03
2612.06:006:03
2712.16:006:03
2812.15:596:03
2912.15:586:03
3012.15:586:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.51 kWh/m².

For context, solar energy here swings from a low near 5.14 kWh/m² to a high of 7.15 kWh/m² in November across the year — September's 6.51 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.8Intense
Planning a trip in September

Is September a good time to visit Barranca?

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

7.9
Sightseeing
5th-best month of the year
4.2
Beach & pool
11th-best month of the year

September is one of the better times to visit Barranca for general sightseeing.

What to pack for Barranca in September

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

In September, Barranca sees daytime highs around 20°C and nights near 15°C. Pack sun protection.

sun protection

Sea temperature near Barranca 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 at the nearest coast (about 18 km away) is warmest in February at about 22°C and coldest in September near 17°C.

It's comfortable for a long swim from Dec 29 to Apr 12 — about 3.5 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun19Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Barranca in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Barranca peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 16Jul 10UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep11Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Barranca?

Barranca sits at 10.8°S, 77.8°W, 52 m above sea level, in Peru. The nearest listed city is Paramonga, 12 km away.

Yanacancha

Topography around Barranca

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

Within 3 km, the terrain around Barranca has only modest variations in elevation — a maximum elevation change of 147 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 772 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,156 m.

The land around Barranca is covered by water (35%) within 3 km, water (45%) and bare terrain (25%) within 16 km, and bare terrain (40%) and water (35%) within 80 km.

3 km
147 m
16 km
772 m
80 km
5,156 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Paramonga 12 km · Huaura 40 km · Hualmay 42 km · Huacho 44 km · Huarmey 87 km · Huaral 103 km · Chancay 106 km · Yanacancha 135 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 Barranca (-10.75°, -77.7667°, elevation 52 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).