Dalandzadgad weather in September

In September, Dalandzadgad sees average daytime highs of 19°C and overnight lows near 8°C, with 15 mm of precipitation across 3.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 16°C by the end. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Dalandzadgad's 6th-clearest and 9th-windiest month. For the whole year in context, see Dalandzadgad's year-round climate.

Daytime high
19°
4th warmest
Overnight low
9th coldest
Precipitation
15 mm
3.4 wet days
Daylight
12 h 18 min
6:48 AM – 7:05 PM
Cloud cover
38%
6th clearest
Wind
13 km/h
9th windiest
Solar energy
5.08 kWh/m²
Travel score
7.4
out of 10

Dalandzadgad is capital city of Ömnögovi Aimag, Mongolia.

Density
52/km²
people per km²

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 22°C in the first days to 16°C by the end.

A typical September day in Dalandzadgad reaches about 19°C in the afternoon and slips back to 8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, September runs about 6°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12311
22311
32211
42211
52210
62210
72110
82110
9219
10219
11209
12208
13208
14208
15208
16197
17197
18197
19197
20186
21186
22186
23186
24175
25175
26175
27174
28164
29164
30164

How September really feels in Dalandzadgad

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

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Dalandzadgad weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-8° / -19°10.30.49.10.0
Feb-3° / -15°20.60.910.20.0
Mar / -8°61.71.811.60.4
Apr13° / -0°621.213.24.2
May19° / 153.60.514.57.1
Jun25° / 13°225.7015.27.5
Jul27° / 16°316.6014.97.1
Aug25° / 14°346.4013.87.6
Sep19° / 153.40.212.37.4
Oct11° / -1°61.91.210.83.5
Nov / -10°20.81.19.50.0
Dec-6° / -17°10.50.78.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36535
46634
56733
66733
76832
86931
97030
107030
117129
127228
137327
147327
157426
167426
177327
187426
197426
207426
217426
227426
237426
247426
257426
267525
277525
287525
297525
307624

Chance of precipitation in September

Any precipitation

Dalandzadgad gets around 15 mm of rain and snow over 3.4 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 11% and peaks near 15% 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 (%)
115
215
314
414
514
614
714
814
913
1013
1113
1212
1312
1412
1511
1611
1710
1810
1910
209
219
229
239
249
258
268
278
288
298
307

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.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over September. Sunrise moves from 6:31 AM to 7:04 AM, and sunset from 7:34 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:317:34
213.06:327:32
313.06:337:30
412.96:347:28
512.96:357:26
612.86:367:24
712.86:377:22
812.76:397:21
912.66:407:19
1012.66:417:17
1112.56:427:15
1212.56:437:13
1312.46:447:11
1412.46:457:09
1512.36:477:07
1612.36:487:05
1712.26:497:04
1812.26:507:02
1912.16:517:00
2012.16:526:58
2112.06:546:56
2212.06:556:54
2311.96:566:52
2411.96:576:50
2511.86:586:48
2611.86:596:46
2711.77:016:45
2811.77:026:43
2911.67:036:41
3011.67:046:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.08 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 6.83 kWh/m² in June across the year — September's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.5Bright
Planning a trip in September

Hazard calendar for Dalandzadgad

In seasonPeak

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

Dalandzadgad sees seasonal dust haze (April–August), heaviest in May.

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

Is September a good time to visit Dalandzadgad?

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

7.4
Sightseeing
3rd-best month of the year
3.4
Beach & pool
4th-best month of the year

September is one of the better times to visit Dalandzadgad for general sightseeing.

What to pack for Dalandzadgad in September

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

In September, Dalandzadgad sees daytime highs around 19°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 3 days see rain.

a warm layersun protection

UV index in Dalandzadgad in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dalandzadgad peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highModerateLowJul 16UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May9Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Dalandzadgad 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 Dalandzadgad is worst in May — around 114 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (December, 20 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateMay 12112 µg/m³Dec 2420 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb29Moderate
Mar83Unhealthy
Apr104Unhealthy
May114Unhealthy
Jun80Unhealthy
Jul71Unhealthy
Aug67Unhealthy
Sep71Unhealthy
Oct83Unhealthy
Nov60Unhealthy
Dec20Moderate
Location & terrain

Where is Dalandzadgad?

Dalandzadgad sits at 43.6°N, 104.4°E, 1,470 m above sea level, in Mongolia. The nearest listed city is Hovd, 203 km away.

HovdBogdArvayheerBayanhongorSaynshandTsetserlegDzuunmodZuunmod

Topography around Dalandzadgad

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

Within 3 km, the terrain around Dalandzadgad has only modest variations in elevation — a maximum elevation change of 87 m around an average of 1,473 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,068 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,624 m.

The land around Dalandzadgad is covered by bare terrain (78%) within 3 km, bare terrain (92%) within 16 km, and bare terrain (92%) within 80 km.

3 km
87 m
16 km
1,068 m
80 km
1,624 m
shrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Hovd 203 km · Bogd 217 km · Arvayheer 326 km · Bayanhongor 413 km · Saynshand 476 km · Tsetserleg 492 km · Dzuunmod 500 km · Zuunmod 500 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 Dalandzadgad (43.5708°, 104.425°, elevation 1,470 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).