Huánuco weather in September

In September, Huánuco sees average daytime highs of 17°C and overnight lows near 7°C, with 35 mm of rain across 10.6 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 13% 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 Huánuco's 5th-clearest and 1st-windiest month. For the whole year in context, see Huánuco's year-round climate.

Daytime high
17°
3rd warmest
Overnight low
4th coldest
Rainfall
35 mm
10.6 wet days
Daylight
11 h 54 min
6:01 AM – 5:58 PM
Cloud cover
65%
5th clearest
Wind
4 km/h
1st windiest
Solar energy
5.69 kWh/m²
Travel score
5.5
out of 10

Huánuco is capital city of Huánuco, Peru.

Founded
1539

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 17°C through the month.

A typical September day in Huánuco reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 19°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1177
2177
3177
4177
5177
6177
7177
8177
9177
10177
11177
12177
13177
14177
15177
16177
17177
18177
19177
20177
21177
22177
23177
24177
25177
26177
27177
28177
29177
30178

Huánuco weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 16126.512.53.2
Feb17° / 17625.512.32.9
Mar17° / 15727.112.13.0
Apr17° / 8118.311.84.0
May17° / 4813.311.65.1
Jun17° / 236.411.45.8
Jul17° / 205.711.56.0
Aug17° / 236.311.76.1
Sep17° / 3510.611.95.5
Oct18° / 6918.212.24.5
Nov18° / 9620.512.54.0
Dec17° / 13725.112.63.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
25941
35842
45743
55644
65545
75347
85248
95149
105050
114852
124753
134654
144555
154357
164060
174060
183862
193763
203664
213466
223367
233367
243169
253169
263070
273070
282872
292872
302872

Chance of precipitation in September

Any precipitation

Huánuco gets around 35 mm of rain over 10.6 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 35% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
125
225
326
426
526
627
727
828
928
1029
1129
1230
1331
1431
1533
1634
1735
1837
1938
2040
2141
2242
2343
2443
2544
2645
2745
2846
2947
3047

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 4 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:10 AM to 5:52 AM, and sunset from 5:59 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:105:59
211.86:105:59
311.86:095:59
411.86:095:59
511.86:085:59
611.96:075:59
711.96:075:58
811.96:065:58
911.96:055:58
1011.96:055:58
1111.96:045:58
1211.96:045:58
1311.96:035:58
1411.96:025:58
1511.96:025:58
1611.96:015:58
1712.06:005:58
1812.06:005:57
1912.05:595:57
2012.05:585:57
2112.05:585:57
2212.05:575:57
2312.05:565:57
2412.05:565:57
2512.05:555:57
2612.05:545:57
2712.05:545:57
2812.15:535:57
2912.15:535:57
3012.15:525:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.69 kWh/m².

For context, solar energy here swings from a low near 4.92 kWh/m² to a high of 5.72 kWh/m² in October across the year — September's 5.69 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Huánuco

In seasonPeak

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

Huánuco's rainy season runs November–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 Huánuco?

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
1.5
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Huánuco for sightseeing.

What to pack for Huánuco in September

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

In September, Huánuco sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Huánuco 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 Huánuco peaks around February 14 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 14UV 19Jun 22UV 11
UV index (midday)Level
Jan18Extreme
Feb19Extreme
Mar18Extreme
Apr16Extreme
May14Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct16Extreme
Nov17Extreme
Dec17Extreme

Air quality in Huánuco 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 Huánuco is worst in September — around 18 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (June, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1317 µg/m³Jun 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar7Good
Apr6Good
May6Good
Jun6Good
Jul8Good
Aug14Moderate
Sep18Moderate
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Huánuco?

Huánuco sits at 9.9°S, 76.2°W, 1,795 m above sea level, in Peru. The nearest listed city is Yanacancha, 56 km away.

AguaytíaJunínHuaraz

Topography around Huánuco

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

Within 3 km, the terrain around Huánuco has large variations in elevation — a maximum elevation change of 1,029 m around an average of 2,126 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,550 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,208 m.

The land around Huánuco is covered by grassland (52%) and artificial surfaces (36%) within 3 km, grassland (82%) within 16 km, and grassland (65%) and trees (33%) within 80 km.

3 km
1,029 m
16 km
2,550 m
80 km
5,208 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Yanacancha 56 km · Chaupimarca 58 km · Tingo María 75 km · Cerro de Pasco 82 km · Yanacancha 82 km · Aguaytía 127 km · Junín 139 km · Huaraz 148 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 Huánuco (-9.9288°, -76.2399°, elevation 1,795 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).