Gia Nghĩa weather in September

In September, Gia Nghĩa sees average daytime highs of 27°C and overnight lows near 20°C, with 271 mm of rain across 28.4 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels muggy.

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

Daytime high
27°
9th warmest
Overnight low
20°
7th coldest
Rainfall
271 mm
28.4 wet days
Daylight
12 h 06 min
5:42 AM – 5:46 PM
Cloud cover
91%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
4.21 kWh/m²
Travel score
3.4
out of 10

Gia Nghĩa is capital city of Đắk Nông, Vietnam.

Density
297/km²
people per km²
Founded
2004

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 27°C through the month.

A typical September day in Gia Nghĩa reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232720
242720
252720
262820
272820
282820
292820
302820

How September really feels in Gia Nghĩa

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.

Gia Nghĩa weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°172.611.47.1
Feb30° / 18°122.511.66.0
Mar31° / 19°48711.94.8
Apr31° / 21°11415.112.34.0
May29° / 21°17724.912.53.3
Jun28° / 21°21426.712.73.4
Jul27° / 21°25328.512.63.5
Aug27° / 21°26329.612.43.4
Sep27° / 20°27128.412.13.4
Oct28° / 20°21323.311.74.3
Nov27° / 19°9710.911.46.1
Dec27° / 18°436.411.36.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11397
12397
13397
14397
15397
16496
17496
18496
19496
20595
21595
22595
23694
24694
25694
26694
27793
28793
29793
30892

Chance of precipitation in September

Any precipitation

Gia Nghĩa gets around 271 mm of rain over 28.4 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
395
494
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1694
1794
1895
1995
2095
2195
2295
2395
2495
2595
2695
2794
2894
2994
3094

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
15545
25644
35743
45743
55842
65941
75941
85941
96040
106040
116040
126040
136040
146040
156040
166040
176040
186040
196040
206040
216040
226040
236139
246238
256238
266337
276436
286535
296634
306733

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 5:42 AM to 5:41 AM, and sunset from 5:56 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:425:56
212.25:425:55
312.25:425:55
412.25:425:54
512.25:425:53
612.25:425:53
712.25:425:52
812.25:425:51
912.15:425:51
1012.15:425:50
1112.15:425:49
1212.15:425:48
1312.15:425:48
1412.15:425:47
1512.15:425:46
1612.15:425:46
1712.15:425:45
1812.05:425:44
1912.05:425:43
2012.05:415:43
2112.05:415:42
2212.05:415:41
2312.05:415:41
2412.05:415:40
2512.05:415:39
2612.05:415:38
2711.95:415:38
2811.95:415:37
2911.95:415:36
3011.95:415:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.21 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 6 kWh/m² in March across the year — September's 4.21 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Gia Nghĩa

In seasonPeak

In September, Gia Nghĩa sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Gia Nghĩa's rainy season runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Gia Nghĩa?

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

3.4
Sightseeing
9th-best month of the year
3.6
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Gia Nghĩa.

What to pack for Gia Nghĩa in September

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

In September, Gia Nghĩa sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Gia Nghĩa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gia Nghĩa peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 14Dec 11UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec10Very high

Air quality in Gia Nghĩa 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 Gia Nghĩa is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2234 µg/m³Dec 1615 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb23Moderate
Mar35Moderate
Apr33Moderate
May22Moderate
Jun18Moderate
Jul17Moderate
Aug16Moderate
Sep18Moderate
Oct20Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Gia Nghĩa?

Gia Nghĩa sits at 12.0°N, 107.7°E, 616 m above sea level, in Vietnam. The nearest listed city is Bảo Lộc, 52 km away.

Topography around Gia Nghĩa

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

Within 3 km, the terrain around Gia Nghĩa has only modest variations in elevation — a maximum elevation change of 139 m around an average of 632 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 651 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,873 m.

The land around Gia Nghĩa is covered by trees (58%) and artificial surfaces (20%) within 3 km, trees (71%) and grassland (22%) within 16 km, and trees (82%) within 80 km.

3 km
139 m
16 km
651 m
80 km
1,873 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Bảo Lộc 52 km · Huyện Lâm Hà 61 km · Phước Hòa 63 km · Đinh Văn 65 km · Buôn Trấp 65 km · Ea T’ling 69 km · Đưc Trọng 80 km · Da Lat 82 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 Gia Nghĩa (12.0042°, 107.6907°, elevation 616 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).