Oruro weather in September

In September, Oruro sees average daytime highs of 17°C and overnight lows near 2°C, with 21 mm of precipitation across 5.9 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 17°C through the month. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Oruro's 5th-clearest and 1st-windiest month. For the whole year in context, see Oruro's year-round climate.

Daytime high: 17°; 3rd warmest
Overnight low: 2°; 5th coldest
Precipitation: 21 mm; 5.9 wet days
Daylight: 11 h 54 min; 6:26 AM – 6:20 PM
Cloud cover: 41%; 5th clearest
Wind: 11 km/h; 1st windiest
Solar energy: 7.15 kWh/m²
Travel score: 6.2; out of 10

Oruro is city of Bolivia.

Density: 128/km²; people per km²
Founded: 1606

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

← August Oruro 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 17°C through the month.

A typical September day in Oruro reaches about 17°C in the afternoon and slips back to 2°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than 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)	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18
Avg low (°C)	0	0	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	3

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

How September really feels in Oruro

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.

Oruro 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	15° / 6°	143	25.6	0.5	13	2.8
Feb	15° / 5°	116	22.6	0.4	12.6	2.8
Mar	15° / 5°	85	21.4	0.2	12.1	3.5
Apr	16° / 3°	27	9	0.1	11.6	5.3
May	16° / 0°	7	2.3	0.2	11.2	6.2
Jun	14° / -1°	5	1.3	0.4	10.9	5.6
Jul	14° / -2°	8	2	0.7	11	5.5
Aug	16° / -0°	12	3.1	0.8	11.4	6.0
Sep	17° / 2°	21	5.9	0.5	11.9	6.2
Oct	18° / 4°	35	10.1	0.2	12.4	6.0
Nov	18° / 5°	49	13.2	0.2	12.8	5.4
Dec	17° / 6°	105	20.9	0.4	13.1	3.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 27%. 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 (%)	84	84	83	82	82	81	80	79	79	78	77	76	76	74	74	73	72	71	71	70	69	68	68	66	66	65	65	64	63	63
Cloudier (%)	16	16	17	18	18	19	20	21	21	22	23	24	24	26	26	27	28	29	29	30	31	32	32	34	34	35	35	36	37	37

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	82	18
5	82	18
6	81	19
7	80	20
8	79	21
9	79	21
10	78	22
11	77	23
12	76	24
13	76	24
14	74	26
15	74	26
16	73	27
17	72	28
18	71	29
19	71	29
20	70	30
21	69	31
22	68	32
23	68	32
24	66	34
25	66	34
26	65	35
27	65	35
28	64	36
29	63	37
30	63	37

Chance of precipitation in September

Any precipitationSnow

Oruro gets around 21 mm of rain and snow over 5.9 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 20% and peaks near 27% on the wettest days, and about 1 day brings 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 (%)	13	14	14	14	15	15	16	16	16	17	17	17	18	18	19	19	20	20	21	22	22	23	23	24	24	25	25	26	26	27
Snow chance (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1

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

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

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 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)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	10	10
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	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	10	calm
30	10	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 30 minutes over September. Sunrise moves from 6:39 AM to 6:13 AM, and sunset from 6:17 PM to 6:22 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)	11.6	11.7	11.7	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.1	12.1
Sunrise (AM)	6:39	6:38	6:37	6:36	6:35	6:35	6:34	6:33	6:32	6:31	6:30	6:29	6:28	6:27	6:27	6:26	6:25	6:24	6:23	6:22	6:21	6:20	6:19	6:19	6:18	6:17	6:16	6:15	6:14	6:13
Sunset (PM)	6:17	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:19	6:19	6:19	6:19	6:19	6:19	6:20	6:20	6:20	6:20	6:20	6:20	6:20	6:21	6:21	6:21	6:21	6:21	6:21	6:22	6:22	6:22

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	6:39	6:17
2	11.7	6:38	6:18
3	11.7	6:37	6:18
4	11.7	6:36	6:18
5	11.7	6:35	6:18
6	11.7	6:35	6:18
7	11.7	6:34	6:18
8	11.8	6:33	6:18
9	11.8	6:32	6:19
10	11.8	6:31	6:19
11	11.8	6:30	6:19
12	11.8	6:29	6:19
13	11.8	6:28	6:19
14	11.9	6:27	6:19
15	11.9	6:27	6:20
16	11.9	6:26	6:20
17	11.9	6:25	6:20
18	11.9	6:24	6:20
19	12.0	6:23	6:20
20	12.0	6:22	6:20
21	12.0	6:21	6:20
22	12.0	6:20	6:21
23	12.0	6:19	6:21
24	12.0	6:19	6:21
25	12.1	6:18	6:21
26	12.1	6:17	6:21
27	12.1	6:16	6:21
28	12.1	6:15	6:22
29	12.1	6:14	6:22
30	12.1	6:13	6:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 7.15 kWh/m².

For context, solar energy here swings from a low near 5.43 kWh/m² to a high of 7.9 kWh/m² in November across the year — September's 7.15 kWh/m² falls in the middle.

	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)	6.8	6.8	6.8	6.9	6.9	6.9	7.0	7.0	7.0	7.0	7.0	7.1	7.1	7.1	7.1	7.2	7.2	7.2	7.2	7.3	7.3	7.3	7.3	7.4	7.4	7.4	7.4	7.5	7.5	7.5
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	6.8	Intense
2	6.8	Intense
3	6.8	Intense
4	6.9	Intense
5	6.9	Intense
6	6.9	Intense
7	7.0	Intense
8	7.0	Intense
9	7.0	Intense
10	7.0	Intense
11	7.0	Intense
12	7.1	Intense
13	7.1	Intense
14	7.1	Intense
15	7.1	Intense
16	7.2	Intense
17	7.2	Intense
18	7.2	Intense
19	7.2	Intense
20	7.3	Intense
21	7.3	Intense
22	7.3	Intense
23	7.3	Intense
24	7.4	Intense
25	7.4	Intense
26	7.4	Intense
27	7.4	Intense
28	7.5	Intense
29	7.5	Intense
30	7.5	Intense

Planning a trip in September

Hazard calendar for Oruro

In seasonPeak

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

Oruro's rainy season runs December–March, 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 Oruro?

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

6.2

Sightseeing

1st-best month of the year

1.4

Beach & pool

3rd-best month of the year

September is a reasonable time to visit Oruro for sightseeing.

What to pack for Oruro in September

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

In September, Oruro sees daytime highs around 17°C and nights near 2°C. Pack sun protection. Worth having: a warm layer. About 6 days see rain.

sun protectiona warm layer

UV index in Oruro 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 Oruro peaks around January 21 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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	17	14	11	9	9	12	15	17	17	18
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	19	Extreme
Feb	19	Extreme
Mar	17	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	9	Very high
Jul	9	Very high
Aug	12	Extreme
Sep	15	Extreme
Oct	17	Extreme
Nov	17	Extreme
Dec	18	Extreme

Location & terrain

Where is Oruro?

Oruro sits at 18.0°S, 67.1°W, 3,885 m above sea level, in Bolivia. The nearest listed city is Huanuni, 45 km away.

Topography around Oruro

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

Within 3 km, the terrain around Oruro has only modest variations in elevation — a maximum elevation change of 179 m around an average of 3,709 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 700 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,577 m.

The land around Oruro is covered by artificial surfaces (75%) within 3 km, bare terrain (45%) and grassland (33%) within 16 km, and grassland (71%) and bare terrain (21%) within 80 km.

3 km

179 m

artificial surfaces 75%

16 km

700 m

bare terrain 45%

80 km

2,577 m

grassland 71%

grasslandcroplandartificial surfacesbare terrainwaterwetland

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

September weather nearby: Huanuni 45 km · Llallagua 74 km · Sipe Sipe 97 km · Vinto 105 km · Quillacollo 108 km · Quime 111 km · Colcapirhua 112 km · Tiquipaya 117 km

Bolivia travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B / C; 230 V · 50 Hz
Prices: ≈ 40% of US; price level, 2025
GDP per capita: $5,148; 2025
Happiness: 5.8 / 10; World Happiness, 2025
Homicide rate: 4.4; per 100k, 2023
Road deaths: 21.1; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Moderate; EF EPI 521
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 Oruro (-17.9715°, -67.0932°, elevation 3,885 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	16	0
2	16	0
3	16	1
4	16	1
5	16	1
6	16	1
7	16	1
8	17	1
9	17	1
10	17	1
11	17	1
12	17	1
13	17	1
14	17	1
15	17	2
16	17	2
17	17	2
18	17	2
19	17	2
20	17	2
21	17	2
22	17	2
23	17	2
24	17	2
25	17	2
26	17	2
27	17	2
28	18	3
29	18	3
30	18	3

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	82	18
5	82	18
6	81	19
7	80	20
8	79	21
9	79	21
10	78	22
11	77	23
12	76	24
13	76	24
14	74	26
15	74	26
16	73	27
17	72	28
18	71	29
19	71	29
20	70	30
21	69	31
22	68	32
23	68	32
24	66	34
25	66	34
26	65	35
27	65	35
28	64	36
29	63	37
30	63	37

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

	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	16	0
2	16	0
3	16	1
4	16	1
5	16	1
6	16	1
7	16	1
8	17	1
9	17	1
10	17	1
11	17	1
12	17	1
13	17	1
14	17	1
15	17	2
16	17	2
17	17	2
18	17	2
19	17	2
20	17	2
21	17	2
22	17	2
23	17	2
24	17	2
25	17	2
26	17	2
27	17	2
28	18	3
29	18	3
30	18	3

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	82	18
5	82	18
6	81	19
7	80	20
8	79	21
9	79	21
10	78	22
11	77	23
12	76	24
13	76	24
14	74	26
15	74	26
16	73	27
17	72	28
18	71	29
19	71	29
20	70	30
21	69	31
22	68	32
23	68	32
24	66	34
25	66	34
26	65	35
27	65	35
28	64	36
29	63	37
30	63	37

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

	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	16	0
2	16	0
3	16	1
4	16	1
5	16	1
6	16	1
7	16	1
8	17	1
9	17	1
10	17	1
11	17	1
12	17	1
13	17	1
14	17	1
15	17	2
16	17	2
17	17	2
18	17	2
19	17	2
20	17	2
21	17	2
22	17	2
23	17	2
24	17	2
25	17	2
26	17	2
27	17	2
28	18	3
29	18	3
30	18	3

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	82	18
5	82	18
6	81	19
7	80	20
8	79	21
9	79	21
10	78	22
11	77	23
12	76	24
13	76	24
14	74	26
15	74	26
16	73	27
17	72	28
18	71	29
19	71	29
20	70	30
21	69	31
22	68	32
23	68	32
24	66	34
25	66	34
26	65	35
27	65	35
28	64	36
29	63	37
30	63	37

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

	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