Puno weather in September

In September, Puno sees average daytime highs of 16°C and overnight lows near 3°C, with 51 mm of precipitation across 11.4 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 43% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Puno's 5th-clearest and 4th-windiest month. For the whole year in context, see Puno's year-round climate.

Daytime high
16°
3rd warmest
Overnight low
5th coldest
Precipitation
51 mm
11.4 wet days
Daylight
11 h 54 min
5:37 AM – 5:32 PM
Cloud cover
45%
5th clearest
Wind
9 km/h
4th windiest
Solar energy
7.32 kWh/m²
Travel score
5.1
out of 10

Puno is Capital city of Puno, Peru.

Founded
1668

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 16°C through the month.

A typical September day in Puno reaches about 16°C in the afternoon and slips back to 3°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, September runs on par with August and on par with October.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
1161
2162
3162
4162
5162
6162
7162
8162
9162
10162
11162
12162
13163
14163
15163
16163
17163
18163
19163
20163
21163
22163
23163
24163
25163
26163
27163
28164
29164
30164

How September really feels in Puno

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 13 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
13
wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Puno weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan14° / 22427.70.912.82.4
Feb14° / 205250.512.52.4
Mar14° / 17426.10.412.12.6
Apr15° / 7917.20.311.73.6
May15° / 205.6011.35.4
Jun15° / -1°82.20.111.15.8
Jul15° / -1°92.80.311.25.7
Aug16° / 205.20.611.55.7
Sep16° / 5111.40.811.95.1
Oct16° / 8115.91.112.44.5
Nov17° / 8516.10.312.74.4
Dec15° / 15523.50.512.93.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28119
38020
47921
57921
67822
77723
87624
97525
107426
117327
127228
137129
147030
156931
166832
176733
186634
196634
206535
216535
226337
236337
246238
256238
266238
276139
286139
296040
305941

Chance of precipitation in September

Any precipitationSnow

Puno gets around 51 mm of rain and snow over 11.4 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 46% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1252
2262
3272
4282
5292
6302
7312
8312
9322
10332
11342
12352
13362
14372
15382
16392
17402
18402
19413
20423
21433
22433
23443
24443
25443
26453
27453
28454
29454
30464

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 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 5:49 AM to 5:26 AM, and sunset from 5:30 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:495:30
211.75:485:31
311.75:485:31
411.75:475:31
511.75:465:31
611.85:455:31
711.85:445:31
811.85:445:31
911.85:435:31
1011.85:425:31
1111.85:415:31
1211.95:405:31
1311.95:405:32
1411.95:395:32
1511.95:385:32
1611.95:375:32
1711.95:365:32
1811.95:355:32
1912.05:355:32
2012.05:345:32
2112.05:335:32
2212.05:325:32
2312.05:315:32
2412.05:305:33
2512.05:305:33
2612.15:295:33
2712.15:285:33
2812.15:275:33
2912.15:265:33
3012.15:265:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 7.32 kWh/m².

For context, solar energy here swings from a low near 5.56 kWh/m² to a high of 8.12 kWh/m² in November across the year — September's 7.32 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.9Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.1Intense
77.1Intense
87.1Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.6Intense
267.6Intense
277.6Intense
287.6Intense
297.7Intense
307.7Intense
Planning a trip in September

Hazard calendar for Puno

In seasonPeak

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

Puno's monsoon runs December–March, when most of the year's rain falls.

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

Is September a good time to visit Puno?

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

5.1
Sightseeing
5th-best month of the year
Beach & pool
never really warm enough

September is a reasonable time to visit Puno for sightseeing.

What to pack for Puno in September

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

In September, Puno sees daytime highs around 16°C and nights near 3°C. Pack sun protection. Worth having: a warm layer and rain gear. About 11 days see rain.

sun protectiona warm layerrain gear

UV index in Puno in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Puno peaks around February 9 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 9UV 19Jun 21UV 10
UV index (midday)Level
Jan19Extreme
Feb19Extreme
Mar17Extreme
Apr15Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug13Extreme
Sep15Extreme
Oct17Extreme
Nov17Extreme
Dec17Extreme
Location & terrain

Where is Puno?

Puno sits at 15.8°S, 70.0°W, 3,792 m above sea level, in Peru. The nearest listed city is Juliaca, 40 km away.

AyaviriSorataLa Rinconada

Topography around Puno

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

Within 3 km, the terrain around Puno has significant variations in elevation — a maximum elevation change of 452 m around an average of 3,930 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 695 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.

The land around Puno is covered by grassland (47%) and artificial surfaces (31%) within 3 km, grassland (69%) within 16 km, and grassland (60%) and water (22%) within 80 km.

3 km
452 m
16 km
695 m
80 km
1,785 m
grasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Juliaca 40 km · San Miguel 42 km · Ilave 47 km · Isla del Sol 96 km · Copacabana 107 km · Ayaviri 122 km · Sorata 147 km · La Rinconada 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 Puno (-15.84°, -70.022°, elevation 3,792 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).