San Pedro de Lloc weather in September

In September, San Pedro de Lloc sees average daytime highs of 19°C and overnight lows near 16°C, with 2 mm of rain across 0.5 wet days and about 12 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 33% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is San Pedro de Lloc's 5th-clearest and 3rd-windiest month. For the whole year in context, see San Pedro de Lloc's year-round climate.

Daytime high
19°
11th warmest
Overnight low
16°
1st coldest
Rainfall
2 mm
0.5 wet days
Daylight
12 hours
6:14 AM – 6:11 PM
Cloud cover
54%
5th clearest
Wind
17 km/h
3rd windiest
Solar energy
6.16 kWh/m²
Travel score
7.4
out of 10

San Pedro de Lloc is capital town of Pacasmayo, La Libertad, 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 19°C through the month.

A typical September day in San Pedro de Lloc reaches about 19°C in the afternoon and slips back to 16°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 20°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)
11916
21916
31916
41916
51916
61916
71916
81916
91916
101916
111916
121916
131916
141916
151916
161916
171916
181916
191916
201916
211916
221916
231916
241916
251916
261916
271916
281916
291916
301916

San Pedro de Lloc weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 20°113.212.47.6
Feb24° / 21°245.512.27.1
Mar24° / 21°256.312.17.1
Apr23° / 20°102.611.87.7
May21° / 18°20.611.78.0
Jun20° / 17°10.111.68.0
Jul19° / 16°0011.67.8
Aug19° / 16°00.111.87.7
Sep19° / 16°20.5127.4
Oct19° / 16°30.912.27.2
Nov20° / 17°30.812.37.3
Dec21° / 18°6212.47.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37525
47426
57327
67228
77228
87129
96931
106832
116733
126634
136436
146337
156337
166139
175941
185842
195743
205644
215644
225446
235446
245446
255446
265347
275347
285347
295347
305446

Chance of precipitation in September

Any precipitation

San Pedro de Lloc gets around 2 mm of rain over 0.5 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
202
212
222
232
242
252
262
273
283
293
303

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1181153
2182143
3182143
4183133
5184123
6184123
7086113
8086113
9086113
10087103
11087103
12087103
13087103
1408893
1508893
1608893
1708893
1808893
1918793
20186103
21186103
22186103
23186103
24185113
25185113
26184123
27185122
28184132
29183142
30182152

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 6:22 AM to 6:06 AM, and sunset from 6:13 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:226:13
211.96:216:13
311.96:216:13
411.96:206:13
511.96:206:13
611.96:196:13
711.96:196:13
811.96:186:12
911.96:186:12
1011.96:176:12
1111.96:166:12
1211.96:166:12
1311.96:156:12
1411.96:156:11
1512.06:146:11
1612.06:146:11
1712.06:136:11
1812.06:126:11
1912.06:126:11
2012.06:116:10
2112.06:116:10
2212.06:106:10
2312.06:096:10
2412.06:096:10
2512.06:086:10
2612.06:086:10
2712.06:076:09
2812.06:076:09
2912.16:066:09
3012.16:066:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.16 kWh/m².

For context, solar energy here swings from a low near 5.12 kWh/m² to a high of 6.63 kWh/m² in November across the year — September's 6.16 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.3Intense
306.3Intense
Planning a trip in September

Is September a good time to visit San Pedro de Lloc?

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

7.4
Sightseeing
7th-best month of the year
2.8
Beach & pool
12th-best month of the year

September is one of the better times to visit San Pedro de Lloc for general sightseeing.

What to pack for San Pedro de Lloc in September

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

In September, San Pedro de Lloc sees daytime highs around 19°C and nights near 16°C. Pack sun protection.

sun protection

Sea temperature near San Pedro de Lloc 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 15 km away) is warmest in February at about 22°C and coldest in October near 17°C.

It's comfortable for a long swim from Jan 9 to Apr 12 — about 3.1 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb22Refreshing
Mar22Refreshing
Apr20Cool
May19Cool
Jun18Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in San Pedro de Lloc 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 San Pedro de Lloc peaks around February 15 at about 15 (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 15UV 15Jun 22UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep11Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is San Pedro de Lloc?

San Pedro de Lloc sits at 7.4°S, 79.5°W, 48 m above sea level, in Peru. The nearest listed city is Pacasmayo, 8.0 km away.

Topography around San Pedro de Lloc

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Pedro de Lloc.

Within 3 km, the terrain around San Pedro de Lloc has only modest variations in elevation — a maximum elevation change of 58 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 656 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,777 m.

The land around San Pedro de Lloc is covered by cropland (42%) and bare terrain (28%) within 3 km, bare terrain (51%) and water (24%) within 16 km, and water (33%) and bare terrain (30%) within 80 km.

3 km
58 m
16 km
656 m
80 km
3,777 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Pacasmayo 8.0 km · Guadalupe 20 km · Chepén 24 km · Paiján 41 km · Chocope 51 km · Saña 57 km · Santiago de Cao 66 km · Monsefú 74 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 San Pedro de Lloc (-7.4289°, -79.5042°, elevation 48 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).