Pleiku weather in September

In September, Pleiku sees average daytime highs of 27°C and overnight lows near 21°C, with 389 mm of rain across 28.7 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 2% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Pleiku's 11th-clearest and 11th-windiest month. For the whole year in context, see Pleiku's year-round climate.

Daytime high: 27°; 9th warmest
Overnight low: 21°; 7th coldest
Rainfall: 389 mm; 28.7 wet days
Daylight: 12 h 06 min; 5:40 AM – 5:45 PM
Cloud cover: 88%; 11th clearest
Wind: 7 km/h; 11th windiest
Solar energy: 4.34 kWh/m²
Travel score: 3.4; out of 10

Pleiku is former city of Vietnam.

Density: 428/km²; people per km²

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

← August Pleiku year-round climate October →Best places to visit in September

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

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 Pleiku reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21

How September really feels in Pleiku

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Pleiku 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 17°	8	1.1	11.3	7.7
Feb	30° / 18°	7	1.5	11.5	6.4
Mar	31° / 20°	45	6.6	11.9	5.0
Apr	31° / 22°	119	14	12.3	4.1
May	29° / 22°	243	26.2	12.6	3.3
Jun	28° / 22°	271	28.6	12.8	3.3
Jul	27° / 21°	353	30	12.7	3.4
Aug	27° / 21°	373	30.3	12.5	3.3
Sep	27° / 21°	389	28.7	12.1	3.4
Oct	28° / 21°	229	20.1	11.7	4.8
Nov	27° / 20°	91	8.5	11.4	6.6
Dec	27° / 18°	29	4.4	11.2	7.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 91%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	7	7	7	7	7	7	6	6	6	6	6	7	7	7	7	7	9	9	10	10	10	12	12	13	13	15	15	15	16	16
Cloudier (%)	93	93	93	93	93	93	94	94	94	94	94	93	93	93	93	93	91	91	90	90	90	88	88	87	87	85	85	85	84	84

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	6	94
8	6	94
9	6	94
10	6	94
11	6	94
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	9	91
18	9	91
19	10	90
20	10	90
21	10	90
22	12	88
23	12	88
24	13	87
25	13	87
26	15	85
27	15	85
28	15	85
29	16	84
30	16	84

Chance of precipitation in September

Any precipitation

Pleiku gets around 389 mm of rain over 28.7 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 95% and peaks near 98% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	98	98	98	98	98	98	98	98	98	98	98	98	97	97	97	96	96	96	95	95	94	94	93	93	92	92	91	90	90	89

	Rain chance (%)
1	98
2	98
3	98
4	98
5	98
6	98
7	98
8	98
9	98
10	98
11	98
12	98
13	97
14	97
15	97
16	96
17	96
18	96
19	95
20	95
21	94
22	94
23	93
24	93
25	92
26	92
27	91
28	90
29	90
30	89

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	12	12	13	13	14	14	14	15	15	15	15	16	16	16	17	17	18	19	19	20	22	23	25	26	28	30	32	34	36	38
Oppressive (%)	88	88	87	87	86	86	86	85	85	85	85	84	84	84	83	83	82	81	81	80	78	77	75	74	72	70	68	66	64	62

	Muggy (%)	Oppressive (%)
1	12	88
2	12	88
3	13	87
4	13	87
5	14	86
6	14	86
7	14	86
8	15	85
9	15	85
10	15	85
11	15	85
12	16	84
13	16	84
14	16	84
15	17	83
16	17	83
17	18	82
18	19	81
19	19	81
20	20	80
21	22	78
22	23	77
23	25	75
24	26	74
25	28	72
26	30	70
27	32	68
28	34	66
29	36	64
30	38	62

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	9	9	8	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:39 AM to 5:41 AM, and sunset from 5:56 PM to 5:34 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.3	12.3	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9	11.9	11.9
Sunrise (AM)	5:39	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:41	5:41
Sunset (PM)	5:56	5:55	5:54	5:54	5:53	5:52	5:52	5:51	5:50	5:49	5:48	5:48	5:47	5:46	5:45	5:45	5:44	5:43	5:42	5:42	5:41	5:40	5:39	5:38	5:38	5:37	5:36	5:35	5:35	5:34

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	5:39	5:56
2	12.3	5:40	5:55
3	12.2	5:40	5:54
4	12.2	5:40	5:54
5	12.2	5:40	5:53
6	12.2	5:40	5:52
7	12.2	5:40	5:52
8	12.2	5:40	5:51
9	12.2	5:40	5:50
10	12.2	5:40	5:49
11	12.1	5:40	5:48
12	12.1	5:40	5:48
13	12.1	5:40	5:47
14	12.1	5:40	5:46
15	12.1	5:40	5:45
16	12.1	5:40	5:45
17	12.1	5:40	5:44
18	12.1	5:40	5:43
19	12.0	5:40	5:42
20	12.0	5:40	5:42
21	12.0	5:40	5:41
22	12.0	5:40	5:40
23	12.0	5:40	5:39
24	12.0	5:40	5:38
25	12.0	5:40	5:38
26	11.9	5:40	5:37
27	11.9	5:40	5:36
28	11.9	5:40	5:35
29	11.9	5:41	5:35
30	11.9	5:41	5:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.34 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.21 kWh/m² in April across the year — September's 4.34 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.4
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.4	Bright
2	4.4	Bright
3	4.4	Bright
4	4.4	Bright
5	4.4	Bright
6	4.4	Bright
7	4.4	Bright
8	4.3	Bright
9	4.3	Bright
10	4.3	Bright
11	4.3	Bright
12	4.3	Bright
13	4.3	Bright
14	4.3	Bright
15	4.3	Bright
16	4.3	Bright
17	4.3	Bright
18	4.3	Bright
19	4.3	Bright
20	4.3	Bright
21	4.3	Bright
22	4.3	Bright
23	4.3	Bright
24	4.3	Bright
25	4.4	Bright
26	4.4	Bright
27	4.4	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright

Planning a trip in September

Hazard calendar for Pleiku

In seasonPeak

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

Pleiku's monsoon runs May–October, 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 Pleiku?

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

3.4

Sightseeing

8th-best month of the year

3.6

Beach & pool

10th-best month of the year

September is a weaker month for outdoor sightseeing in Pleiku.

What to pack for Pleiku in September

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

In September, Pleiku sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Pleiku 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 Pleiku peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 9 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	10	12	13	12	12	12	13	14	13	11	9	9
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	10	Extreme
Feb	12	Extreme
Mar	13	Extreme
Apr	12	Extreme
May	12	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	9	Very high

Air quality in Pleiku 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 Pleiku is worst in March — around 55 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (August, 11 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	15	21	55	37	18	13	12	11	12	14	12	11
Level	Moderate	Moderate	Unhealthy	Poor	Moderate	Moderate	Good	Good	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	21	Moderate
Mar	55	Unhealthy
Apr	37	Poor
May	18	Moderate
Jun	13	Moderate
Jul	12	Good
Aug	11	Good
Sep	12	Moderate
Oct	14	Moderate
Nov	12	Good
Dec	11	Good

Location & terrain

Where is Pleiku?

Pleiku sits at 14.0°N, 108.0°E, 760 m above sea level, in Vietnam. The nearest listed city is Kon Tum, 41 km away.

Topography around Pleiku

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

Within 3 km, the terrain around Pleiku has only modest variations in elevation — a maximum elevation change of 133 m around an average of 760 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 836 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,691 m.

The land around Pleiku is covered by artificial surfaces (50%) and trees (25%) within 3 km, trees (57%) and cropland (21%) within 16 km, and trees (61%) and grassland (23%) within 80 km.

3 km

133 m

artificial surfaces 50%

16 km

836 m

trees 57%

80 km

1,691 m

trees 61%

treesgrasslandcroplandartificial surfacesbare terrainwater

← August Pleiku year-round climate October →Best places to visit in September

September weather nearby: Kon Tum 41 km · An Khê 70 km · A Yun Pa 80 km · Ea Drăng 90 km · Banlung 113 km · Buôn Hồ 119 km · An Nhơn 120 km · Lumphat 123 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

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 Pleiku (13.9833°, 108°, elevation 760 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).

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	6	94
8	6	94
9	6	94
10	6	94
11	6	94
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	9	91
18	9	91
19	10	90
20	10	90
21	10	90
22	12	88
23	12	88
24	13	87
25	13	87
26	15	85
27	15	85
28	15	85
29	16	84
30	16	84

	Rain chance (%)
1	98
2	98
3	98
4	98
5	98
6	98
7	98
8	98
9	98
10	98
11	98
12	98
13	97
14	97
15	97
16	96
17	96
18	96
19	95
20	95
21	94
22	94
23	93
24	93
25	92
26	92
27	91
28	90
29	90
30	89

	Muggy (%)	Oppressive (%)
1	12	88
2	12	88
3	13	87
4	13	87
5	14	86
6	14	86
7	14	86
8	15	85
9	15	85
10	15	85
11	15	85
12	16	84
13	16	84
14	16	84
15	17	83
16	17	83
17	18	82
18	19	81
19	19	81
20	20	80
21	22	78
22	23	77
23	25	75
24	26	74
25	28	72
26	30	70
27	32	68
28	34	66
29	36	64
30	38	62

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	6	94
8	6	94
9	6	94
10	6	94
11	6	94
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	9	91
18	9	91
19	10	90
20	10	90
21	10	90
22	12	88
23	12	88
24	13	87
25	13	87
26	15	85
27	15	85
28	15	85
29	16	84
30	16	84

	Rain chance (%)
1	98
2	98
3	98
4	98
5	98
6	98
7	98
8	98
9	98
10	98
11	98
12	98
13	97
14	97
15	97
16	96
17	96
18	96
19	95
20	95
21	94
22	94
23	93
24	93
25	92
26	92
27	91
28	90
29	90
30	89

	Muggy (%)	Oppressive (%)
1	12	88
2	12	88
3	13	87
4	13	87
5	14	86
6	14	86
7	14	86
8	15	85
9	15	85
10	15	85
11	15	85
12	16	84
13	16	84
14	16	84
15	17	83
16	17	83
17	18	82
18	19	81
19	19	81
20	20	80
21	22	78
22	23	77
23	25	75
24	26	74
25	28	72
26	30	70
27	32	68
28	34	66
29	36	64
30	38	62

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	7	93
5	7	93
6	7	93
7	6	94
8	6	94
9	6	94
10	6	94
11	6	94
12	7	93
13	7	93
14	7	93
15	7	93
16	7	93
17	9	91
18	9	91
19	10	90
20	10	90
21	10	90
22	12	88
23	12	88
24	13	87
25	13	87
26	15	85
27	15	85
28	15	85
29	16	84
30	16	84

	Rain chance (%)
1	98
2	98
3	98
4	98
5	98
6	98
7	98
8	98
9	98
10	98
11	98
12	98
13	97
14	97
15	97
16	96
17	96
18	96
19	95
20	95
21	94
22	94
23	93
24	93
25	92
26	92
27	91
28	90
29	90
30	89

	Muggy (%)	Oppressive (%)
1	12	88
2	12	88
3	13	87
4	13	87
5	14	86
6	14	86
7	14	86
8	15	85
9	15	85
10	15	85
11	15	85
12	16	84
13	16	84
14	16	84
15	17	83
16	17	83
17	18	82
18	19	81
19	19	81
20	20	80
21	22	78
22	23	77
23	25	75
24	26	74
25	28	72
26	30	70
27	32	68
28	34	66
29	36	64
30	38	62