Huamachuco weather in September

In September, Huamachuco sees average daytime highs of 18°C and overnight lows near 6°C, with 52 mm of rain across 13 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 15% of the time in September, and the air most often feels dry.

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 Huamachuco's 5th-clearest and 4th-windiest month. For the whole year in context, see Huamachuco's year-round climate.

Daytime high
18°
1st warmest
Overnight low
4th coldest
Rainfall
52 mm
13 wet days
Daylight
12 hours
6:08 AM – 6:05 PM
Cloud cover
63%
5th clearest
Wind
5 km/h
4th windiest
Solar energy
5.88 kWh/m²
Travel score
5.5
out of 10

Huamachuco is capital city of Sánchez Carrión, 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 18°C through the month.

A typical September day in Huamachuco reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 20°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)
1185
2185
3186
4186
5186
6186
7186
8186
9186
10186
11186
12186
13186
14186
15186
16186
17186
18186
19186
20186
21186
22186
23186
24186
25186
26186
27186
28186
29186
30186

Huamachuco weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 16224.212.43.6
Feb17° / 18924.412.33.2
Mar17° / 22128.312.13.0
Apr17° / 12823.611.83.6
May17° / 5313.211.65.2
Jun18° / 133.611.66.6
Jul18° / 92.111.67.0
Aug18° / 113.411.77.1
Sep18° / 5213125.5
Oct18° / 12222.112.24.1
Nov18° / 12420.212.44.2
Dec18° / 15222.712.43.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26238
36139
46040
55941
65842
75743
85644
95545
105347
115149
125050
134852
144654
154555
164357
174060
183862
193664
203565
213367
223268
233169
243070
252971
262971
272872
282872
292773
302773

Chance of precipitation in September

Any precipitation

Huamachuco gets around 52 mm of rain over 13 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 43% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
119
220
321
422
523
625
726
828
930
1032
1134
1236
1338
1440
1542
1644
1746
1848
1951
2053
2155
2257
2358
2460
2561
2662
2763
2864
2964
3064

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:16 AM to 6:00 AM, and sunset from 6:07 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:166:07
211.96:166:07
311.96:156:07
411.96:156:07
511.96:146:07
611.96:146:07
711.96:136:07
811.96:136:07
911.96:126:06
1011.96:116:06
1111.96:116:06
1211.96:106:06
1311.96:106:06
1411.96:096:06
1512.06:086:05
1612.06:086:05
1712.06:076:05
1812.06:076:05
1912.06:066:05
2012.06:056:05
2112.06:056:05
2212.06:046:04
2312.06:046:04
2412.06:036:04
2512.06:036:04
2612.06:026:04
2712.06:016:04
2812.06:016:04
2912.16:006:04
3012.16:006:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.88 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 5.97 kWh/m² in November across the year — September's 5.88 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
Planning a trip in September

Hazard calendar for Huamachuco

In seasonPeak

None of Huamachuco's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Huamachuco's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Huamachuco?

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

5.5
Sightseeing
4th-best month of the year
1.9
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Huamachuco for sightseeing.

What to pack for Huamachuco in September

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

In September, Huamachuco sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Huamachuco in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Huamachuco peaks around February 15 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 15UV 19Jun 22UV 11
UV index (midday)Level
Jan18Extreme
Feb19Extreme
Mar18Extreme
Apr15Extreme
May14Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct16Extreme
Nov15Extreme
Dec15Extreme

Air quality in Huamachuco in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Huamachuco is worst in September — around 17 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (June, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1616 µg/m³Jun 175 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar9Good
Apr8Good
May6Good
Jun5Good
Jul6Good
Aug10Good
Sep17Moderate
Oct10Good
Nov15Moderate
Dec8Good
Location & terrain

Where is Huamachuco?

Huamachuco sits at 7.8°S, 78.1°W, 3,341 m above sea level, in Peru. The nearest listed city is Cajamarca, 85 km away.

ChocopeSantiago de CaoPaiján

Topography around Huamachuco

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

Within 3 km, the terrain around Huamachuco has large variations in elevation — a maximum elevation change of 840 m around an average of 3,123 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,474 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,414 m.

The land around Huamachuco is covered by grassland (59%) and trees (20%) within 3 km, grassland (70%) within 16 km, and grassland (75%) within 80 km.

3 km
840 m
16 km
2,474 m
80 km
4,414 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Cajamarca 85 km · Virú 102 km · Laredo 104 km · Moche 112 km · Trujillo 112 km · Chocope 127 km · Santiago de Cao 130 km · Paiján 136 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 Huamachuco (-7.8°, -78.0667°, elevation 3,341 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).