Datong weather in September

In September, Datong sees average daytime highs of 22°C and overnight lows near 10°C, with 67 mm of rain across 8.8 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Datong's 8th-clearest and 10th-windiest month. For the whole year in context, see Datong's year-round climate.

Daytime high
22°
5th warmest
Overnight low
10°
9th coldest
Rainfall
67 mm
8.8 wet days
Daylight
12 h 18 min
6:13 AM – 6:29 PM
Cloud cover
50%
8th clearest
Wind
8 km/h
10th windiest
Solar energy
4.67 kWh/m²
Travel score
6.9
out of 10

Datong is prefecture-level city in Shanxi, China.

Air quality
Very high
PM2.5 36.6 µg/m³ · 2018
Density
132/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 24°C in the first days to 19°C by the end.

A typical September day in Datong reaches about 22°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12513
22513
32413
42413
52413
62412
72412
82312
92312
102312
112311
122311
132211
142211
152210
162210
172210
182110
19219
20219
21219
22219
23209
24208
25208
26208
27207
28197
29197
30197

How September really feels in Datong

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.

Datong weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -15°30.91.19.50.0
Feb / -11°51.81.810.40.0
Mar / -4°143.62.111.72.1
Apr17° / 274.70.9136.0
May23° / 3960.114.27.4
Jun27° / 15°599.4014.86.6
Jul28° / 18°9611.8014.65.6
Aug27° / 16°8810.5013.66.5
Sep22° / 10°678.8012.36.9
Oct15° / 325.40.210.95.2
Nov / -5°1331.59.80.9
Dec-1° / -12°30.81.29.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25842
35842
45842
55743
65743
75842
85743
95743
105743
115743
125743
135743
145743
155743
165941
175941
186040
196040
206040
216040
226040
236139
246238
256238
266337
276337
286436
296436
306436

Chance of precipitation in September

Any precipitation

Datong gets around 67 mm of rain over 8.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
331
431
531
631
731
830
930
1030
1130
1230
1330
1429
1529
1629
1729
1829
1929
2028
2128
2228
2328
2428
2528
2627
2727
2826
2926
3025

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169274
271254
374233
476213
579192
681172
783152
884142
987121
1088111
1189101
129091
139181
149181
159370
169460
179460
189550
199550
209640
219640
229730
239730
249820
259820
269910
279910
289910
299910
309910

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 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 78 minutes over September. Sunrise moves from 5:59 AM to 6:27 AM, and sunset from 6:54 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:596:54
212.96:006:53
312.86:016:51
412.86:026:49
512.86:036:48
612.76:046:46
712.76:056:44
812.66:066:43
912.66:066:41
1012.56:076:39
1112.56:086:38
1212.46:096:36
1312.46:106:34
1412.46:116:32
1512.36:126:31
1612.36:136:29
1712.26:146:27
1812.26:156:26
1912.16:166:24
2012.16:176:22
2112.06:186:20
2212.06:196:19
2311.96:206:17
2411.96:216:15
2511.96:226:13
2611.86:236:12
2711.86:246:10
2811.76:256:08
2911.76:266:07
3011.66:276:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.37 kWh/m² in June across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Datong

In seasonPeak

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

Datong sees seasonal dust haze (April–June), heaviest in May.

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

Is September a good time to visit Datong?

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

6.9
Sightseeing
2nd-best month of the year
4.7
Beach & pool
5th-best month of the year

September is a reasonable time to visit Datong for sightseeing.

What to pack for Datong in September

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

In September, Datong sees daytime highs around 22°C and nights near 10°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

UV index in Datong 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 Datong peaks around May 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowMay 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May9Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Datong 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 Datong is worst in March — around 47 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (August, 25 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Datong's WHO annual average of 36.6 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1746 µg/m³Aug 1725 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb40Poor
Mar47Poor
Apr41Poor
May36Poor
Jun31Moderate
Jul28Moderate
Aug25Moderate
Sep27Moderate
Oct39Poor
Nov47Poor
Dec38Poor
Location & terrain

Where is Datong?

Datong sits at 40.1°N, 113.3°E, 1,054 m above sea level, in China. The nearest listed city is Beijing, 265 km away.

TianjinChengdeJinanSaynshandZhengzhouLuoyangSongyang

Topography around Datong

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

Within 3 km, the terrain around Datong has only modest variations in elevation — a maximum elevation change of 58 m around an average of 1,055 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 563 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,552 m.

The land around Datong is covered by artificial surfaces (81%) within 3 km, grassland (41%), artificial surfaces (27%) and cropland (24%) within 16 km, and grassland (53%) and cropland (37%) within 80 km.

3 km
58 m
16 km
563 m
80 km
1,552 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Beijing 265 km · Tianjin 349 km · Chengde 406 km · Jinan 499 km · Saynshand 593 km · Zhengzhou 594 km · Luoyang 607 km · Songyang 627 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

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 Datong (40.0936°, 113.2914°, elevation 1,054 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).