Nanning weather in September

In September, Nanning sees average daytime highs of 31°C and overnight lows near 24°C, with 157 mm of rain across 14.7 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 30% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Nanning's 4th-clearest and 11th-windiest month. For the whole year in context, see Nanning's year-round climate.

Daytime high
31°
4th warmest
Overnight low
24°
9th coldest
Rainfall
157 mm
14.7 wet days
Daylight
12 h 06 min
6:37 AM – 6:45 PM
Cloud cover
60%
4th clearest
Wind
8 km/h
11th windiest
Solar energy
4.59 kWh/m²
Travel score
3.9
out of 10

Nanning is capital of Guangxi, China.

Air quality
Very high
PM2.5 36.4 µg/m³ · 2018
Density
174/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 32°C in the first days to 30°C by the end.

A typical September day in Nanning reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, September runs about 1°C cooler than August and about 3°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243123
253123
263123
273023
283023
293023
303023

How September really feels in Nanning

Once humidity and wind are folded in, September averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nanning weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 11°518.510.85.4
Feb19° / 13°378.211.25.9
Mar22° / 16°7712.711.85.9
Apr27° / 20°10614.212.55.4
May30° / 24°22720.213.13.6
Jun32° / 26°26222.613.42.7
Jul32° / 26°24521.813.32.7
Aug32° / 26°24622.312.82.7
Sep31° / 24°15714.712.13.9
Oct28° / 21°738.211.56.2
Nov24° / 17°567.810.97.2
Dec19° / 12°457.510.66.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23961
33961
43961
54060
64258
74258
84357
94357
104555
114555
124753
134951
144951
155050
165149
175248
185347
195446
205446
215545
225644
235644
245743
255743
265743
275842
285941
295941
305941

Chance of precipitation in September

Any precipitation

Nanning gets around 157 mm of rain over 14.7 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 49% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
162
261
361
460
559
659
758
857
956
1055
1155
1254
1352
1451
1550
1649
1747
1846
1945
2044
2142
2241
2340
2439
2538
2638
2737
2836
2935
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100042967
200043066
300043066
400053164
500153262
600163261
701173259
801273357
901283356
1001283356
1101393354
12013103353
13014113450
14014123448
15015133546
16025143544
17026153642
18026163739
19027173837
20027183834
21027203932
22028213930
23028224028
24028234026
25039244024
26039254022
271410254020
281411264019
291512263917
301513273916

Wind in September

Winds average 8 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
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over September. Sunrise moves from 6:33 AM to 6:42 AM, and sunset from 7:00 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:337:00
212.46:336:59
312.46:336:58
412.46:336:57
512.46:346:56
612.46:346:55
712.36:346:54
812.36:356:53
912.36:356:52
1012.36:356:51
1112.26:366:50
1212.26:366:49
1312.26:366:48
1412.26:376:47
1512.26:376:46
1612.16:376:45
1712.16:376:44
1812.16:386:43
1912.16:386:42
2012.06:386:41
2112.06:396:40
2212.06:396:39
2312.06:396:38
2411.96:406:37
2511.96:406:36
2611.96:406:35
2711.96:416:33
2811.96:416:32
2911.86:416:31
3011.86:426:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 4.79 kWh/m² in July across the year — September's 4.59 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Nanning

In seasonPeak

In September, Nanning sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Nanning sits in the Pacific typhoon belt; the season peaks July–October.

Nanning's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Nanning?

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

3.9
Sightseeing
8th-best month of the year
5.9
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Nanning.

What to pack for Nanning in September

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

In September, Nanning sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Nanning in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nanning peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 13UV 11Jan 11UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr7High
May9Very high
Jun11Extreme
Jul12Extreme
Aug10Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Nanning 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 Nanning is worst in January — around 47 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (July, 22 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Nanning's WHO annual average of 36.4 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1747 µg/m³Jul 1222 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb45Poor
Mar46Poor
Apr42Poor
May31Moderate
Jun23Moderate
Jul22Moderate
Aug26Moderate
Sep34Moderate
Oct36Poor
Nov41Poor
Dec44Poor
Location & terrain

Where is Nanning?

Nanning sits at 22.8°N, 108.3°E, 91 m above sea level, in China. The nearest listed city is Móng Cái, 148 km away.

Topography around Nanning

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

Within 3 km, the terrain around Nanning has only modest variations in elevation — a maximum elevation change of 59 m around an average of 81 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 300 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,709 m.

The land around Nanning is covered by artificial surfaces (77%) within 3 km, trees (47%) and artificial surfaces (33%) within 16 km, and trees (74%) and cropland (20%) within 80 km.

3 km
59 m
16 km
300 m
80 km
1,709 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Móng Cái 148 km · Thị Trấn Đầm Hà 179 km · Thị Trấn Trùng Khánh 184 km · Thị Trấn Na Dương 187 km · Thị Trấn Tiên Yên 190 km · Lạng Sơn 193 km · Thị Trấn Thất Khê 199 km · Thị Trấn Ba Chẽ 202 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 Nanning (22.8167°, 108.3167°, elevation 91 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).