Cerro de Pasco weather in September

In September, Cerro de Pasco sees average daytime highs of 11°C and overnight lows near -0°C, with 69 mm of precipitation across 19.9 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 9% 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 Cerro de Pasco's 5th-clearest and 3rd-windiest month. For the whole year in context, see Cerro de Pasco's year-round climate.

Daytime high: 11°; 9th warmest
Overnight low: -0°; 4th coldest
Precipitation: 69 mm; 19.9 wet days
Daylight: 11 h 54 min; 6:01 AM – 5:58 PM
Cloud cover: 68%; 5th clearest
Wind: 6 km/h; 3rd windiest
Solar energy: 6.18 kWh/m²
Travel score: 2.1; out of 10

Cerro de Pasco is capital city of Pasco, Peru.

Founded: 1578

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Cerro de Pasco year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical September day in Cerro de Pasco reaches about 11°C in the afternoon and slips back to -0°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 13°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Avg low (°C)	-1	-1	-1	-1	-1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Avg high (°C)	Avg low (°C)
1	11	-1
2	11	-1
3	11	-1
4	11	-1
5	11	-1
6	11	0
7	11	0
8	11	0
9	11	0
10	11	0
11	11	0
12	11	0
13	11	0
14	11	0
15	11	0
16	11	0
17	11	0
18	11	0
19	11	0
20	11	0
21	11	0
22	11	0
23	11	0
24	11	0
25	11	0
26	11	0
27	11	0
28	11	0
29	11	0
30	11	0

How September really feels in Cerro de Pasco

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 30 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Cerro de Pasco weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	12° / 2°	177	28	2.3	12.6	1.8
Feb	12° / 2°	181	26.6	2	12.4	1.6
Mar	12° / 2°	169	28.7	1.6	12.1	1.6
Apr	12° / 1°	90	23	0.7	11.8	2.0
May	11° / 0°	56	16.5	0.6	11.5	2.4
Jun	11° / -1°	26	8.2	0.6	11.4	2.8
Jul	11° / -2°	23	8.1	0.8	11.4	2.7
Aug	11° / -1°	36	11.4	1.3	11.6	2.7
Sep	11° / -0°	69	19.9	1.5	11.9	2.1
Oct	11° / 1°	112	25.1	1.5	12.2	1.9
Nov	12° / 1°	124	24	1.4	12.5	2.1
Dec	12° / 2°	175	27.4	1.8	12.6	1.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	56	55	54	53	51	50	49	47	45	43	42	40	39	37	35	33	32	30	28	27	25	24	23	23	22	20	20	20	19	19
Cloudier (%)	44	45	46	47	49	50	51	53	55	57	58	60	61	63	65	67	68	70	72	73	75	76	77	77	78	80	80	80	81	81

	Clearer (%)	Cloudier (%)
1	56	44
2	55	45
3	54	46
4	53	47
5	51	49
6	50	50
7	49	51
8	47	53
9	45	55
10	43	57
11	42	58
12	40	60
13	39	61
14	37	63
15	35	65
16	33	67
17	32	68
18	30	70
19	28	72
20	27	73
21	25	75
22	24	76
23	23	77
24	23	77
25	22	78
26	20	80
27	20	80
28	20	80
29	19	81
30	19	81

Chance of precipitation in September

Any precipitationSnow

Cerro de Pasco gets around 69 mm of rain and snow over 19.9 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 66% and peaks near 78% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	50	51	52	53	54	56	57	58	59	60	61	62	63	65	66	67	68	69	70	71	72	73	74	75	75	76	77	77	78	78
Snow chance (%)	3	2	2	2	3	3	3	3	4	4	4	5	5	6	6	6	6	6	6	7	7	7	7	7	7	7	6	6	6	6

	Rain chance (%)	Snow chance (%)
1	50	3
2	51	2
3	52	2
4	53	2
5	54	3
6	56	3
7	57	3
8	58	3
9	59	4
10	60	4
11	61	4
12	62	5
13	63	5
14	65	6
15	66	6
16	67	6
17	68	6
18	69	6
19	70	6
20	71	7
21	72	7
22	73	7
23	74	7
24	75	7
25	75	7
26	76	7
27	77	6
28	77	6
29	78	6
30	78	6

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

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 6:11 AM to 5:52 AM, and sunset from 5:59 PM to 5:57 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.8	11.8	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1
Sunrise (AM)	6:11	6:10	6:10	6:09	6:08	6:08	6:07	6:06	6:06	6:05	6:04	6:04	6:03	6:02	6:02	6:01	6:00	6:00	5:59	5:58	5:58	5:57	5:56	5:56	5:55	5:54	5:54	5:53	5:52	5:52
Sunset (PM)	5:59	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.8	6:11	5:59
2	11.8	6:10	5:58
3	11.8	6:10	5:58
4	11.8	6:09	5:58
5	11.8	6:08	5:58
6	11.8	6:08	5:58
7	11.9	6:07	5:58
8	11.9	6:06	5:58
9	11.9	6:06	5:58
10	11.9	6:05	5:58
11	11.9	6:04	5:58
12	11.9	6:04	5:58
13	11.9	6:03	5:58
14	11.9	6:02	5:58
15	11.9	6:02	5:58
16	11.9	6:01	5:58
17	12.0	6:00	5:58
18	12.0	6:00	5:57
19	12.0	5:59	5:57
20	12.0	5:58	5:57
21	12.0	5:58	5:57
22	12.0	5:57	5:57
23	12.0	5:56	5:57
24	12.0	5:56	5:57
25	12.0	5:55	5:57
26	12.0	5:54	5:57
27	12.1	5:54	5:57
28	12.1	5:53	5:57
29	12.1	5:52	5:57
30	12.1	5:52	5:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.18 kWh/m².

For context, solar energy here swings from a low near 5.36 kWh/m² to a high of 6.29 kWh/m² in November across the year — September's 6.18 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.2	Intense
2	6.2	Intense
3	6.2	Intense
4	6.2	Intense
5	6.2	Intense
6	6.2	Intense
7	6.2	Intense
8	6.2	Intense
9	6.2	Intense
10	6.2	Intense
11	6.2	Intense
12	6.2	Intense
13	6.2	Intense
14	6.2	Intense
15	6.2	Intense
16	6.2	Intense
17	6.2	Intense
18	6.2	Intense
19	6.2	Intense
20	6.2	Intense
21	6.2	Intense
22	6.2	Intense
23	6.2	Intense
24	6.2	Intense
25	6.2	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.2	Intense

Planning a trip in September

Hazard calendar for Cerro de Pasco

In seasonPeak

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

Cerro de Pasco'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 Cerro de Pasco?

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

2.1

Sightseeing

5th-best month of the year

—

Beach & pool

never really warm enough

September is a weaker month for outdoor sightseeing in Cerro de Pasco.

What to pack for Cerro de Pasco in September

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

In September, Cerro de Pasco sees daytime highs around 11°C and nights near -0°C. Pack a warm layer, rain gear and sun protection. About 20 days see rain.

a warm layerrain gearsun protection

UV index in Cerro de Pasco 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 Cerro de Pasco peaks around February 13 at about 20 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 12 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	19	20	18	16	14	12	12	14	15	18	17	18
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	19	Extreme
Feb	20	Extreme
Mar	18	Extreme
Apr	16	Extreme
May	14	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	15	Extreme
Oct	18	Extreme
Nov	17	Extreme
Dec	18	Extreme

Location & terrain

Where is Cerro de Pasco?

Cerro de Pasco sits at 10.7°S, 76.3°W, 4,457 m above sea level, in Peru. The nearest listed city is Yanacancha, 0.0 km away.

Topography around Cerro de Pasco

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

Within 3 km, the terrain around Cerro de Pasco has significant variations in elevation — a maximum elevation change of 513 m around an average of 4,353 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,206 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,604 m.

The land around Cerro de Pasco is covered by grassland (67%) within 3 km, grassland (93%) within 16 km, and grassland (80%) within 80 km.

3 km

513 m

grassland 67%

16 km

1,206 m

grassland 93%

80 km

4,604 m

grassland 80%

treesshrubsgrasslandartificial surfacesbare terrainwaterwetland

← August Cerro de Pasco year-round climate October →Best places to visit in September

September weather nearby: Yanacancha 0.0 km · Chaupimarca 37 km · Junín 62 km · Yanacancha 64 km · Huánuco 82 km · La Oroya 102 km · Tarma 104 km · Huaral 139 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

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 Cerro de Pasco (-10.6658°, -76.2531°, elevation 4,457 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).

	Avg high (°C)	Avg low (°C)
1	11	-1
2	11	-1
3	11	-1
4	11	-1
5	11	-1
6	11	0
7	11	0
8	11	0
9	11	0
10	11	0
11	11	0
12	11	0
13	11	0
14	11	0
15	11	0
16	11	0
17	11	0
18	11	0
19	11	0
20	11	0
21	11	0
22	11	0
23	11	0
24	11	0
25	11	0
26	11	0
27	11	0
28	11	0
29	11	0
30	11	0

	Clearer (%)	Cloudier (%)
1	56	44
2	55	45
3	54	46
4	53	47
5	51	49
6	50	50
7	49	51
8	47	53
9	45	55
10	43	57
11	42	58
12	40	60
13	39	61
14	37	63
15	35	65
16	33	67
17	32	68
18	30	70
19	28	72
20	27	73
21	25	75
22	24	76
23	23	77
24	23	77
25	22	78
26	20	80
27	20	80
28	20	80
29	19	81
30	19	81

	Rain chance (%)	Snow chance (%)
1	50	3
2	51	2
3	52	2
4	53	2
5	54	3
6	56	3
7	57	3
8	58	3
9	59	4
10	60	4
11	61	4
12	62	5
13	63	5
14	65	6
15	66	6
16	67	6
17	68	6
18	69	6
19	70	6
20	71	7
21	72	7
22	73	7
23	74	7
24	75	7
25	75	7
26	76	7
27	77	6
28	77	6
29	78	6
30	78	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	11	-1
2	11	-1
3	11	-1
4	11	-1
5	11	-1
6	11	0
7	11	0
8	11	0
9	11	0
10	11	0
11	11	0
12	11	0
13	11	0
14	11	0
15	11	0
16	11	0
17	11	0
18	11	0
19	11	0
20	11	0
21	11	0
22	11	0
23	11	0
24	11	0
25	11	0
26	11	0
27	11	0
28	11	0
29	11	0
30	11	0

	Clearer (%)	Cloudier (%)
1	56	44
2	55	45
3	54	46
4	53	47
5	51	49
6	50	50
7	49	51
8	47	53
9	45	55
10	43	57
11	42	58
12	40	60
13	39	61
14	37	63
15	35	65
16	33	67
17	32	68
18	30	70
19	28	72
20	27	73
21	25	75
22	24	76
23	23	77
24	23	77
25	22	78
26	20	80
27	20	80
28	20	80
29	19	81
30	19	81

	Rain chance (%)	Snow chance (%)
1	50	3
2	51	2
3	52	2
4	53	2
5	54	3
6	56	3
7	57	3
8	58	3
9	59	4
10	60	4
11	61	4
12	62	5
13	63	5
14	65	6
15	66	6
16	67	6
17	68	6
18	69	6
19	70	6
20	71	7
21	72	7
22	73	7
23	74	7
24	75	7
25	75	7
26	76	7
27	77	6
28	77	6
29	78	6
30	78	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	11	-1
2	11	-1
3	11	-1
4	11	-1
5	11	-1
6	11	0
7	11	0
8	11	0
9	11	0
10	11	0
11	11	0
12	11	0
13	11	0
14	11	0
15	11	0
16	11	0
17	11	0
18	11	0
19	11	0
20	11	0
21	11	0
22	11	0
23	11	0
24	11	0
25	11	0
26	11	0
27	11	0
28	11	0
29	11	0
30	11	0

	Clearer (%)	Cloudier (%)
1	56	44
2	55	45
3	54	46
4	53	47
5	51	49
6	50	50
7	49	51
8	47	53
9	45	55
10	43	57
11	42	58
12	40	60
13	39	61
14	37	63
15	35	65
16	33	67
17	32	68
18	30	70
19	28	72
20	27	73
21	25	75
22	24	76
23	23	77
24	23	77
25	22	78
26	20	80
27	20	80
28	20	80
29	19	81
30	19	81

	Rain chance (%)	Snow chance (%)
1	50	3
2	51	2
3	52	2
4	53	2
5	54	3
6	56	3
7	57	3
8	58	3
9	59	4
10	60	4
11	61	4
12	62	5
13	63	5
14	65	6
15	66	6
16	67	6
17	68	6
18	69	6
19	70	6
20	71	7
21	72	7
22	73	7
23	74	7
24	75	7
25	75	7
26	76	7
27	77	6
28	77	6
29	78	6
30	78	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100