Tuyên Quang weather in September

In September, Tuyên Quang sees average daytime highs of 31°C and overnight lows near 25°C, with 232 mm of rain across 20.4 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Tuyên Quang's 4th-clearest and 11th-windiest month. For the whole year in context, see Tuyên Quang's year-round climate.

Daytime high
31°
5th warmest
Overnight low
25°
9th coldest
Rainfall
232 mm
20.4 wet days
Daylight
12 h 06 min
5:50 AM – 5:57 PM
Cloud cover
70%
4th clearest
Wind
4 km/h
11th windiest
Solar energy
4.29 kWh/m²
Travel score
3.2
out of 10

Tuyên Quang is former provincial capital city of Tuyen Quang province, Vietnam.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Tuyên Quang reaches about 31°C in the afternoon and slips back to 25°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.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133125
143125
153125
163125
173125
183125
193125
203125
213124
223124
233124
243124
253124
263124
273124
283124
293124
303024

How September really feels in Tuyên Quang

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
10 feel dangerously hot (≥ 39°C)
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.

Tuyên Quang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°326.410.86.4
Feb22° / 15°235.911.26.7
Mar25° / 18°549.111.86.6
Apr29° / 22°9611.612.55.1
May32° / 25°25118.7133.3
Jun33° / 26°35921.713.32.5
Jul32° / 26°36524.513.22.4
Aug32° / 26°41325.312.72.4
Sep31° / 25°23220.412.13.2
Oct29° / 22°10312.311.55.4
Nov25° / 19°546.7117.2
Dec22° / 15°285.810.77.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22575
32575
42575
52575
62575
72674
82674
92773
102872
112872
122971
133169
143169
153268
163466
173565
183565
193763
203862
214060
224060
234258
244456
254456
264555
274654
284654
294753
304753

Chance of precipitation in September

Any precipitation

Tuyên Quang gets around 232 mm of rain over 20.4 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 68% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
181
281
380
480
580
679
778
878
977
1076
1175
1274
1373
1472
1571
1669
1768
1866
1964
2063
2161
2260
2358
2457
2555
2654
2753
2852
2951
3050

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100694
200694
300793
401891
501990
601990
7011089
8021187
9021286
10021385
11021484
12031681
13031780
14031879
15042076
16042175
17052372
18052570
19052669
20062866
21063064
22173260
23173458
24183655
25183853
26194050
271104247
282114345
292124442
302124640

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 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 36 minutes over September. Sunrise moves from 5:46 AM to 5:54 AM, and sunset from 6:12 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:466:12
212.45:466:11
312.45:466:10
412.45:466:09
512.45:476:08
612.35:476:07
712.35:476:06
812.35:486:05
912.35:486:04
1012.35:486:03
1112.25:486:02
1212.25:496:01
1312.25:496:00
1412.25:495:59
1512.15:495:58
1612.15:505:57
1712.15:505:56
1812.15:505:55
1912.15:515:54
2012.05:515:53
2112.05:515:52
2212.05:515:51
2312.05:525:50
2412.05:525:49
2511.95:525:48
2611.95:535:47
2711.95:535:46
2811.95:535:45
2911.85:535:44
3011.85:545:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.29 kWh/m².

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 4.61 kWh/m² in June across the year — September's 4.29 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Tuyên Quang

In seasonPeak

In September, Tuyên Quang sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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

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

Is September a good time to visit Tuyên Quang?

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

3.2
Sightseeing
9th-best month of the year
4.9
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Tuyên Quang.

What to pack for Tuyên Quang in September

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

In September, Tuyên Quang sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 20 days see rain.

light clothesrain gear

UV index in Tuyên Quang 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 Tuyên Quang peaks around June 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highHighExtremeVery highHighJun 20UV 13Jan 10UV 6
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr5High
May8Very high
Jun13Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct7Very high
Nov6High
Dec6High

Air quality in Tuyên Quang 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 Tuyên Quang is worst in December — around 83 µg/m³ PM2.5 (unhealthy), about 2.9× the cleanest month (July, 29 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2383 µg/m³Jul 2029 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb78Unhealthy
Mar78Unhealthy
Apr72Unhealthy
May50Poor
Jun36Poor
Jul29Moderate
Aug32Moderate
Sep42Poor
Oct57Unhealthy
Nov73Unhealthy
Dec83Unhealthy
Location & terrain

Where is Tuyên Quang?

Tuyên Quang sits at 21.8°N, 105.2°E, 35 m above sea level, in Vietnam. The nearest listed city is Yên Bái, 33 km away.

Topography around Tuyên Quang

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

Within 3 km, the terrain around Tuyên Quang has significant variations in elevation — a maximum elevation change of 372 m around an average of 56 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 941 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,327 m.

The land around Tuyên Quang is covered by trees (53%) within 3 km, trees (86%) within 16 km, and trees (89%) within 80 km.

3 km
372 m
16 km
941 m
80 km
2,327 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Yên Bái 33 km · Phú Thọ 47 km · Thị Trấn Đại Từ 49 km · Việt Trì 59 km · Cổ Đô 62 km · Vĩnh Yên 70 km · Thái Nguyên 70 km · Bắc Kạn 73 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Tuyên Quang (21.8236°, 105.2142°, elevation 35 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).