Tarma weather in September

In September, Tarma sees average daytime highs of 10°C and overnight lows near 1°C, with 89 mm of precipitation across 21.9 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 10°C through the month. The sky is clear or mostly clear about 11% 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 Tarma's 5th-clearest and 3rd-windiest month. For the whole year in context, see Tarma's year-round climate.

Daytime high: 10°; 9th warmest
Overnight low: 1°; 4th coldest
Precipitation: 89 mm; 21.9 wet days
Daylight: 11 h 54 min; 5:59 AM – 5:55 PM
Cloud cover: 67%; 5th clearest
Wind: 6 km/h; 3rd windiest
Solar energy: 6.25 kWh/m²
Travel score: 1.8; out of 10

Tarma is city in Peru.

Density: 226/km²; people per km²
Founded: 1875

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

← August Tarma 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 10°C through the month.

A typical September day in Tarma reaches about 10°C in the afternoon and slips back to 1°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 12°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)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11
Avg low (°C)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2

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

How September really feels in Tarma

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 21 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.

Tarma 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	11° / 4°	194	29.8	2.8	12.6	1.5
Feb	11° / 4°	197	27.2	2.8	12.4	1.4
Mar	11° / 4°	183	30.1	2.5	12.1	1.5
Apr	11° / 3°	96	23.8	0.6	11.8	1.8
May	11° / 1°	67	17.9	0.3	11.5	2.2
Jun	10° / 0°	40	10.9	0.4	11.3	2.3
Jul	10° / -1°	42	12	0.9	11.4	2.2
Aug	10° / -0°	56	14.3	1.1	11.6	2.2
Sep	10° / 1°	89	21.9	1.5	11.9	1.8
Oct	11° / 2°	129	27.1	1.3	12.3	1.6
Nov	12° / 3°	138	27	1.6	12.5	1.7
Dec	12° / 3°	186	29.1	2.1	12.7	1.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% 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 (%)	55	55	53	52	50	48	47	46	44	41	39	38	36	34	33	32	31	29	28	27	27	26	24	24	24	24	23	23	22	22
Cloudier (%)	45	45	47	48	50	52	53	54	56	59	61	62	64	66	67	68	69	71	72	73	73	74	76	76	76	76	77	77	78	78

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	53	47
4	52	48
5	50	50
6	48	52
7	47	53
8	46	54
9	44	56
10	41	59
11	39	61
12	38	62
13	36	64
14	34	66
15	33	67
16	32	68
17	31	69
18	29	71
19	28	72
20	27	73
21	27	73
22	26	74
23	24	76
24	24	76
25	24	76
26	24	76
27	23	77
28	23	77
29	22	78
30	22	78

Chance of precipitation in September

Any precipitationSnow

Tarma gets around 89 mm of rain and snow over 21.9 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 72% and peaks near 84% 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 (%)	57	58	59	60	61	62	63	65	66	67	68	70	71	72	73	74	75	77	78	78	79	80	81	81	82	82	83	83	84	84
Snow chance (%)	3	3	4	4	4	4	4	4	4	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	5	5	5	5	5	5

	Rain chance (%)	Snow chance (%)
1	57	3
2	58	3
3	59	4
4	60	4
5	61	4
6	62	4
7	63	4
8	65	4
9	66	4
10	67	5
11	68	5
12	70	5
13	71	5
14	72	5
15	73	5
16	74	5
17	75	6
18	77	6
19	78	6
20	78	6
21	79	6
22	80	6
23	81	6
24	81	6
25	82	5
26	82	5
27	83	5
28	83	5
29	84	5
30	84	5

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 5 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5
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	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	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	5	calm
29	5	calm
30	5	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 6:09 AM to 5:49 AM, and sunset from 5:56 PM to 5:55 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	11.8	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	12.1	12.1	12.1	12.1
Sunrise (AM)	6:09	6:08	6:08	6:07	6:07	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	5:55	5:55	5:54	5:53	5:53	5:52	5:51	5:51	5:50	5:49
Sunset (PM)	5:56	5:56	5:56	5:56	5:56	5:56	5:56	5:56	5:56	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:55

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.8	6:09	5:56
2	11.8	6:08	5:56
3	11.8	6:08	5:56
4	11.8	6:07	5:56
5	11.8	6:07	5:56
6	11.8	6:06	5:56
7	11.8	6:05	5:56
8	11.9	6:04	5:56
9	11.9	6:04	5:56
10	11.9	6:03	5:55
11	11.9	6:02	5:55
12	11.9	6:02	5:55
13	11.9	6:01	5:55
14	11.9	6:00	5:55
15	11.9	6:00	5:55
16	11.9	5:59	5:55
17	11.9	5:58	5:55
18	12.0	5:58	5:55
19	12.0	5:57	5:55
20	12.0	5:56	5:55
21	12.0	5:55	5:55
22	12.0	5:55	5:55
23	12.0	5:54	5:55
24	12.0	5:53	5:55
25	12.0	5:53	5:55
26	12.0	5:52	5:55
27	12.1	5:51	5:55
28	12.1	5:51	5:55
29	12.1	5:50	5:55
30	12.1	5:49	5:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.25 kWh/m².

For context, solar energy here swings from a low near 5.22 kWh/m² to a high of 6.35 kWh/m² in November across the year — September's 6.25 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	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3
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	6.3	Intense
7	6.3	Intense
8	6.3	Intense
9	6.3	Intense
10	6.3	Intense
11	6.3	Intense
12	6.3	Intense
13	6.3	Intense
14	6.3	Intense
15	6.3	Intense
16	6.3	Intense
17	6.3	Intense
18	6.3	Intense
19	6.3	Intense
20	6.3	Intense
21	6.3	Intense
22	6.3	Intense
23	6.3	Intense
24	6.3	Intense
25	6.3	Intense
26	6.3	Intense
27	6.3	Intense
28	6.3	Intense
29	6.3	Intense
30	6.3	Intense

Planning a trip in September

Hazard calendar for Tarma

In seasonPeak

In September, Tarma sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Tarma's rainy season runs September–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 Tarma?

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

1.8

Sightseeing

5th-best month of the year

—

Beach & pool

never really warm enough

September is a weaker month for outdoor sightseeing in Tarma.

What to pack for Tarma in September

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

In September, Tarma sees daytime highs around 10°C and nights near 1°C. Pack a warm layer, rain gear and sun protection. About 22 days see rain.

a warm layerrain gearsun protection

UV index in Tarma 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 Tarma peaks around February 12 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	19	19	18	16	13	11	11	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	19	Extreme
Mar	18	Extreme
Apr	16	Extreme
May	13	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	14	Extreme
Sep	15	Extreme
Oct	18	Extreme
Nov	17	Extreme
Dec	18	Extreme

Location & terrain

Where is Tarma?

Tarma sits at 11.4°S, 75.7°W, 3,055 m above sea level, in Peru. The nearest listed city is La Oroya, 25 km away.

Topography around Tarma

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

Within 3 km, the terrain around Tarma has large variations in elevation — a maximum elevation change of 943 m around an average of 3,333 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,728 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,077 m.

The land around Tarma is covered by grassland (76%) within 3 km, grassland (92%) within 16 km, and grassland (68%) and trees (20%) within 80 km.

3 km

943 m

grassland 76%

16 km

1,728 m

grassland 92%

80 km

5,077 m

grassland 68%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← August Tarma year-round climate October →Best places to visit in September

September weather nearby: La Oroya 25 km · Junín 44 km · Jauja 45 km · Huancayo 89 km · Chilca 91 km · Cerro de Pasco 104 km · Santa Rosa 104 km · Yanacancha 104 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 Tarma (-11.419°, -75.6899°, elevation 3,055 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	10	1
2	10	1
3	10	1
4	10	1
5	10	1
6	10	1
7	10	1
8	10	1
9	10	1
10	10	1
11	10	1
12	10	1
13	10	1
14	10	1
15	10	1
16	10	1
17	10	1
18	10	1
19	10	2
20	11	2
21	11	2
22	11	2
23	11	2
24	11	2
25	11	2
26	11	2
27	11	2
28	11	2
29	11	2
30	11	2

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	53	47
4	52	48
5	50	50
6	48	52
7	47	53
8	46	54
9	44	56
10	41	59
11	39	61
12	38	62
13	36	64
14	34	66
15	33	67
16	32	68
17	31	69
18	29	71
19	28	72
20	27	73
21	27	73
22	26	74
23	24	76
24	24	76
25	24	76
26	24	76
27	23	77
28	23	77
29	22	78
30	22	78

	Rain chance (%)	Snow chance (%)
1	57	3
2	58	3
3	59	4
4	60	4
5	61	4
6	62	4
7	63	4
8	65	4
9	66	4
10	67	5
11	68	5
12	70	5
13	71	5
14	72	5
15	73	5
16	74	5
17	75	6
18	77	6
19	78	6
20	78	6
21	79	6
22	80	6
23	81	6
24	81	6
25	82	5
26	82	5
27	83	5
28	83	5
29	84	5
30	84	5

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

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	53	47
4	52	48
5	50	50
6	48	52
7	47	53
8	46	54
9	44	56
10	41	59
11	39	61
12	38	62
13	36	64
14	34	66
15	33	67
16	32	68
17	31	69
18	29	71
19	28	72
20	27	73
21	27	73
22	26	74
23	24	76
24	24	76
25	24	76
26	24	76
27	23	77
28	23	77
29	22	78
30	22	78

	Rain chance (%)	Snow chance (%)
1	57	3
2	58	3
3	59	4
4	60	4
5	61	4
6	62	4
7	63	4
8	65	4
9	66	4
10	67	5
11	68	5
12	70	5
13	71	5
14	72	5
15	73	5
16	74	5
17	75	6
18	77	6
19	78	6
20	78	6
21	79	6
22	80	6
23	81	6
24	81	6
25	82	5
26	82	5
27	83	5
28	83	5
29	84	5
30	84	5

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

	Clearer (%)	Cloudier (%)
1	55	45
2	55	45
3	53	47
4	52	48
5	50	50
6	48	52
7	47	53
8	46	54
9	44	56
10	41	59
11	39	61
12	38	62
13	36	64
14	34	66
15	33	67
16	32	68
17	31	69
18	29	71
19	28	72
20	27	73
21	27	73
22	26	74
23	24	76
24	24	76
25	24	76
26	24	76
27	23	77
28	23	77
29	22	78
30	22	78

	Rain chance (%)	Snow chance (%)
1	57	3
2	58	3
3	59	4
4	60	4
5	61	4
6	62	4
7	63	4
8	65	4
9	66	4
10	67	5
11	68	5
12	70	5
13	71	5
14	72	5
15	73	5
16	74	5
17	75	6
18	77	6
19	78	6
20	78	6
21	79	6
22	80	6
23	81	6
24	81	6
25	82	5
26	82	5
27	83	5
28	83	5
29	84	5
30	84	5

	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