Lambayeque weather in September

In September, Lambayeque sees average daytime highs of 22°C and overnight lows near 17°C, with 1 mm of rain across 0.2 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 22°C through the month. The sky is clear or mostly clear about 36% 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 Lambayeque's 5th-clearest and 4th-windiest month. For the whole year in context, see Lambayeque's year-round climate.

Daytime high
22°
11th warmest
Overnight low
17°
1st coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 hours
6:15 AM – 6:13 PM
Cloud cover
52%
5th clearest
Wind
17 km/h
4th windiest
Solar energy
6.08 kWh/m²
Travel score
8.1
out of 10

Lambayeque is capital city of Lambayeque, Lambayeque, Peru.

Density
6,830/km²
people per km²

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 22°C through the month.

A typical September day in Lambayeque reaches about 22°C in the afternoon and slips back to 17°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°C. Set against its neighbours, September runs on par with August and on par with October.

15°18°20°23°25°151015202530
Avg high (°C)Avg low (°C)
12117
22117
32117
42117
52117
62117
72117
82117
92117
102117
112117
122117
132217
142217
152217
162217
172217
182217
192217
202217
212217
222217
232217
242217
252217
262217
272217
282217
292217
302217

Lambayeque 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
Jan26° / 21°223.512.37.3
Feb28° / 23°366.512.26.5
Mar28° / 22°619.1126.2
Apr26° / 21°224.611.97.4
May24° / 19°51.811.78.3
Jun23° / 18°10.311.68.6
Jul22° / 17°0011.68.4
Aug21° / 17°00.111.88.3
Sep22° / 17°10.2128.1
Oct22° / 17°31.112.17.9
Nov23° / 18°51.412.38.0
Dec25° / 19°82.512.47.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 31% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27525
37426
47327
57228
67228
77030
87030
96931
106832
116832
126733
136733
146634
156634
166535
176436
186436
196337
206337
216337
226238
236238
246238
256139
266139
276139
286040
296040
306040

Chance of precipitation in September

Any precipitation

Lambayeque gets around 1 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 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
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
167303
266313
366313
466313
566313
666313
766313
866313
966313
1066313
1166313
1267303
1367303
1468293
1568293
1669283
1769283
1870273
1970273
2071263
2171263
2271263
2371263
2471263
2571263
2671263
2770273
2870273
2970273
3069283

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 6:23 AM to 6:07 AM, and sunset from 6:15 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:236:15
211.96:236:15
311.96:226:15
411.96:226:15
511.96:216:15
611.96:216:15
711.96:206:14
811.96:196:14
911.96:196:14
1011.96:186:14
1111.96:186:14
1211.96:176:14
1311.96:176:13
1412.06:166:13
1512.06:166:13
1612.06:156:13
1712.06:146:13
1812.06:146:12
1912.06:136:12
2012.06:136:12
2112.06:126:12
2212.06:126:12
2312.06:116:12
2412.06:116:11
2512.06:106:11
2612.06:096:11
2712.06:096:11
2812.06:086:11
2912.06:086:11
3012.16:076:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.08 kWh/m².

For context, solar energy here swings from a low near 5.05 kWh/m² to a high of 6.4 kWh/m² in November across the year — September's 6.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Is September a good time to visit Lambayeque?

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

8.1
Sightseeing
5th-best month of the year
5.3
Beach & pool
11th-best month of the year

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

What to pack for Lambayeque in September

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

In September, Lambayeque sees daytime highs around 22°C and nights near 17°C. Pack sun protection.

sun protection

Sea temperature near Lambayeque 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 20 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 11 to Apr 13 — 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 Lambayeque 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 Lambayeque peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 18UV 15Jun 21UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Lambayeque?

Lambayeque sits at 6.7°S, 79.9°W, 23 m above sea level, in Peru. The nearest listed city is Chiclayo, 10 km away.

Topography around Lambayeque

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

Within 3 km, the terrain around Lambayeque has only modest variations in elevation — a maximum elevation change of 23 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,949 m.

The land around Lambayeque is covered by cropland (35%) and bare terrain (24%) within 3 km, cropland (39%) and bare terrain (30%) within 16 km, and water (31%) and bare terrain (27%) within 80 km.

3 km
23 m
16 km
62 m
80 km
3,949 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Chiclayo 10 km · Ferreñafe 15 km · Picsi 15 km · Pimentel 15 km · Monsefú 20 km · Pátapo 30 km · Saña 43 km · Chongoyape 57 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 Lambayeque (-6.7011°, -79.9061°, elevation 23 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).