Sühbaatar weather in September

In September, Sühbaatar sees average daytime highs of 18°C and overnight lows near 5°C, with 37 mm of precipitation across 7.6 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 36% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Sühbaatar's 7th-clearest and 5th-windiest month. For the whole year in context, see Sühbaatar's year-round climate.

Daytime high
18°
5th warmest
Overnight low
9th coldest
Precipitation
37 mm
7.6 wet days
Daylight
12 h 24 min
6:38 AM – 7:01 PM
Cloud cover
53%
7th clearest
Wind
9 km/h
5th windiest
Solar energy
3.94 kWh/m²
Travel score
5.9
out of 10

Sühbaatar is city in Mongolia, administrative center of Selenge Province.

Density
505/km²
people per km²
Founded
1940

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 Sühbaatar reaches about 18°C in the afternoon and slips back to 5°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°C. Set against its neighbours, September runs about 7°C cooler than August and about 10°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1219
2219
3219
4218
5208
6208
7208
8197
9197
10197
11196
12186
13186
14185
15185
16185
17175
18174
19174
20174
21163
22163
23163
24153
25152
26152
27142
28141
29141
30141

How September really feels in Sühbaatar

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 6 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
6
wind chill below the day's low

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

Sühbaatar 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-17° / -27°20.41.18.30.0
Feb-9° / -23°20.71.29.70.0
Mar / -12°51.92.311.50.2
Apr12° / -2°163.92.613.53.4
May19° / 316.31.215.26.6
Jun26° / 12°468.8016.16.8
Jul27° / 15°649.9015.76.4
Aug24° / 13°709.9014.36.8
Sep18° / 377.60.412.45.9
Oct / -4°143.92.310.51.7
Nov-5° / -14°62.12.98.80.0
Dec-14° / -23°41.72.27.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55347
65446
75446
85446
95446
105446
115644
125644
135743
145743
155842
165842
175842
185842
195842
205842
215842
225842
235743
245743
255743
265743
275644
285644
295644
305644

Chance of precipitation in September

Any precipitationSnow

Sühbaatar gets around 37 mm of rain and snow over 7.6 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 24% and peaks near 28% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1280
2280
3270
4270
5270
6270
7270
8280
9271
10271
11271
12271
13261
14261
15252
16252
17242
18242
19242
20232
21232
22222
23212
24212
25203
26203
27193
28193
29183
30183

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1937
2946
3946
4955
5964
6964
7973
8973
9982
10982
11991
12991
13991
14991
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
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 13 h 18 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 108 minutes over September. Sunrise moves from 6:15 AM to 7:00 AM, and sunset from 7:35 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:157:35
213.36:177:33
313.26:187:30
413.16:207:28
513.16:217:26
613.06:237:24
712.96:247:21
812.96:267:19
912.86:277:17
1012.86:297:14
1112.76:317:12
1212.66:327:10
1312.66:347:08
1412.56:357:05
1512.46:377:03
1612.46:387:01
1712.36:406:58
1812.26:416:56
1912.26:436:54
2012.16:456:51
2112.06:466:49
2212.06:486:47
2311.96:496:44
2411.96:516:42
2511.86:526:40
2611.76:546:38
2711.76:566:35
2811.66:576:33
2911.56:596:31
3011.57:006:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.94 kWh/m².

For context, solar energy here swings from a low near 1.15 kWh/m² to a high of 6.43 kWh/m² in June across the year — September's 3.94 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.1Bright
124.1Bright
134.0Bright
144.0Bright
154.0Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.7Moderate
223.7Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Sühbaatar?

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

5.9
Sightseeing
5th-best month of the year
1.9
Beach & pool
5th-best month of the year

September is a reasonable time to visit Sühbaatar for sightseeing.

What to pack for Sühbaatar in September

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

In September, Sühbaatar sees daytime highs around 18°C and nights near 5°C. Worth packing: a warm layer. About 8 days see rain.

a warm layer

UV index in Sühbaatar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sühbaatar peaks around July 15 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Sühbaatar?

Sühbaatar sits at 50.2°N, 106.2°E, 619 m above sea level, in Mongolia. The nearest listed city is Kyakhta, 22 km away.

DzüünharaaUlan-UdeErdenetBaykal’skPetrovsk-Zabaykal’skiy

Topography around Sühbaatar

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

Within 3 km, the terrain around Sühbaatar has only modest variations in elevation — a maximum elevation change of 220 m around an average of 636 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 482 m; within 80 km, large variations in elevation — a maximum elevation change of 1,070 m.

The land around Sühbaatar is covered by grassland (67%) within 3 km, grassland (69%) and trees (26%) within 16 km, and grassland (66%) and trees (26%) within 80 km.

3 km
220 m
16 km
482 m
80 km
1,070 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Kyakhta 22 km · Darhan 85 km · Gusinoozyorsk 119 km · Dzüünharaa 154 km · Ulan-Ude 202 km · Erdenet 203 km · Baykal’sk 204 km · Petrovsk-Zabaykal’skiy 219 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 Sühbaatar (50.2314°, 106.2078°, elevation 619 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).