Baruun-Urt weather in September

In September, Baruun-Urt sees average daytime highs of 18°C and overnight lows near 6°C, with 28 mm of precipitation across 5.5 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 14°C by the end. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Baruun-Urt's 6th-clearest and 4th-windiest month. For the whole year in context, see Baruun-Urt's year-round climate.

Daytime high
18°
5th warmest
Overnight low
9th coldest
Precipitation
28 mm
5.5 wet days
Daylight
12 h 18 min
6:11 AM – 6:31 PM
Cloud cover
46%
6th clearest
Wind
14 km/h
4th windiest
Solar energy
4.5 kWh/m²
Travel score
6.4
out of 10

Baruun-Urt is Capital city of Sükhbaatar Aimag, Mongolia.

Density
308/km²
people per km²
Founded
1942

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 14°C by the end.

A typical September day in Baruun-Urt reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 25°C. Set against its neighbours, September runs about 6°C cooler than August and about 10°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12210
2229
3219
4219
5219
6218
7208
8208
9207
10207
11197
12197
13196
14196
15186
16186
17185
18185
19175
20174
21174
22164
23164
24163
25153
26153
27152
28142
29142
30142

How September really feels in Baruun-Urt

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Baruun-Urt weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-15° / -25°10.40.68.80.0
Feb-10° / -22°31.11.3100.0
Mar / -12°51.71.911.60.0
Apr10° / -3°123.2213.32.8
May18° / 256114.86.3
Jun24° / 11°438015.67.1
Jul26° / 15°5910.4015.36.6
Aug24° / 13°457.80147.3
Sep18° / 285.50.412.46.4
Oct / -3°123.3210.61.9
Nov-4° / -14°51.52.19.20.0
Dec-13° / -22°30.91.38.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66436
76436
86436
96436
106535
116535
126535
136535
146535
156634
166634
176733
186634
196634
206634
216634
226634
236535
246535
256535
266535
276535
286535
296535
306436

Chance of precipitation in September

Any precipitationSnow

Baruun-Urt gets around 28 mm of rain and snow over 5.5 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 18% and peaks near 22% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1220
2220
3220
4220
5220
6220
7220
8210
9210
10200
11200
12190
13191
14181
15181
16171
17171
18161
19162
20152
21152
22152
23143
24143
25143
26143
27133
28134
29134
30134

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3982
4982
5982
6982
7982
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:51 AM to 6:30 AM, and sunset from 7:02 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:517:02
213.15:537:00
313.15:546:58
413.05:556:56
512.95:576:54
612.95:586:52
712.85:596:50
812.86:016:48
912.76:026:46
1012.76:036:43
1112.66:056:41
1212.66:066:39
1312.56:076:37
1412.46:096:35
1512.46:106:33
1612.36:116:31
1712.36:136:29
1812.26:146:27
1912.26:156:25
2012.16:176:23
2112.06:186:21
2212.06:196:19
2311.96:216:16
2411.96:226:14
2511.86:236:12
2611.86:256:10
2711.76:266:08
2811.66:286:06
2911.66:296:04
3011.56:306:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.5 kWh/m².

For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 6.38 kWh/m² in May across the year — September's 4.5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.0Bright
274.0Moderate
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Baruun-Urt?

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

6.4
Sightseeing
4th-best month of the year
2.4
Beach & pool
5th-best month of the year

September is a reasonable time to visit Baruun-Urt for sightseeing.

What to pack for Baruun-Urt in September

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

In September, Baruun-Urt sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 6 days see rain.

a warm layersun protection

UV index in Baruun-Urt in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baruun-Urt peaks around July 23 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 23UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7High
Jun7High
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Baruun-Urt 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 Baruun-Urt is worst in April — around 17 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodApr 2016 µg/m³Dec 225 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar12Moderate
Apr17Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug10Good
Sep7Good
Oct13Moderate
Nov14Moderate
Dec5Good
Location & terrain

Where is Baruun-Urt?

Baruun-Urt sits at 46.7°N, 113.3°E, 991 m above sea level, in Mongolia. The nearest listed city is Choibalsan, 181 km away.

ChoibalsanÖndörkhaanSaynshandNalayhBorzyaDzuunmodZuunmodAginskoye

Topography around Baruun-Urt

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

Within 3 km, the terrain around Baruun-Urt has only modest variations in elevation — a maximum elevation change of 104 m around an average of 995 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 257 m; within 80 km, significant variations in elevation — a maximum elevation change of 554 m.

The land around Baruun-Urt is covered by grassland (83%) within 3 km, grassland (98%) within 16 km, and grassland (99%) within 80 km.

3 km
104 m
16 km
257 m
80 km
554 m
grasslandartificial surfacesbare terrain
September weather nearby: Choibalsan 181 km · Öndörkhaan 211 km · Saynshand 316 km · Nalayh 468 km · Borzya 477 km · Dzuunmod 491 km · Zuunmod 491 km · Aginskoye 501 km

Mongolia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$7,108
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
5.9
per 100k, 2023
Road deaths
21
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 447
Religion
Buddhist 52%no religion 41%Muslim 3%Shaman 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 Baruun-Urt (46.6806°, 113.2792°, elevation 991 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).