A Yun Pa weather in September

In September, A Yun Pa sees average daytime highs of 30°C and overnight lows near 23°C, with 191 mm of rain across 23.8 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 4% 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 A Yun Pa's 12th-clearest and 9th-windiest month. For the whole year in context, see A Yun Pa's year-round climate.

Daytime high
30°
7th warmest
Overnight low
23°
7th coldest
Rainfall
191 mm
23.8 wet days
Daylight
12 h 06 min
5:38 AM – 5:43 PM
Cloud cover
85%
12th clearest
Wind
8 km/h
9th windiest
Solar energy
4.62 kWh/m²
Travel score
3.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in A Yun Pa reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in A Yun Pa

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.

A Yun Pa weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°101.311.37.6
Feb29° / 20°40.711.66.6
Mar32° / 22°183.111.94.8
Apr33° / 24°559.512.33.4
May33° / 24°12219.712.62.7
Jun32° / 24°10219.612.83.0
Jul31° / 24°11921.312.73.3
Aug30° / 24°12722.212.43.3
Sep30° / 23°19123.812.13.2
Oct29° / 23°16618.211.74.2
Nov28° / 22°116911.46.0
Dec27° / 20°41511.27.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51090
61090
71090
81090
91090
10991
11991
12991
131090
141189
151189
161189
171288
181288
191387
201387
211585
221585
231684
241783
251783
261783
271882
281981
291981
302080

Chance of precipitation in September

Any precipitation

A Yun Pa gets around 191 mm of rain over 23.8 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 79% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
175
275
375
476
577
677
778
879
979
1080
1180
1281
1381
1481
1581
1681
1781
1881
1981
2080
2180
2280
2380
2479
2579
2679
2778
2878
2977
3077

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40991
50991
61981
71981
81981
91981
101981
111981
121981
131981
141981
151981
161981
171981
181981
191981
201981
211981
221981
232971
242971
252971
262971
273961
283952
294942
305932

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 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:38 AM to 5:39 AM, and sunset from 5:54 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:385:54
212.25:385:53
312.25:385:52
412.25:385:52
512.25:385:51
612.25:385:50
712.25:385:50
812.25:385:49
912.25:385:48
1012.15:385:47
1112.15:385:47
1212.15:385:46
1312.15:385:45
1412.15:385:44
1512.15:385:44
1612.15:385:43
1712.15:385:42
1812.05:385:41
1912.05:385:41
2012.05:385:40
2112.05:385:39
2212.05:385:38
2312.05:385:38
2412.05:395:37
2512.05:395:36
2611.95:395:35
2711.95:395:35
2811.95:395:34
2911.95:395:33
3011.95:395:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m².

For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 6.13 kWh/m² in April across the year — September's 4.62 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for A Yun Pa

In seasonPeak

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

A Yun Pa's rainy season runs May–November, 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 A Yun Pa?

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

3.2
Sightseeing
10th-best month of the year
4.4
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in A Yun Pa.

What to pack for A Yun Pa in September

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

In September, A Yun Pa sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in A Yun Pa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in A Yun Pa peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 14UV 14Dec 15UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in A Yun Pa 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 A Yun Pa is worst in April — around 29 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1328 µg/m³Jul 1417 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar25Moderate
Apr29Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug20Moderate
Sep22Moderate
Oct22Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is A Yun Pa?

A Yun Pa sits at 13.4°N, 108.4°E, 165 m above sea level, in Vietnam. The nearest listed city is Ea Drăng, 33 km away.

Topography around A Yun Pa

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

Within 3 km, the terrain around A Yun Pa has only modest variations in elevation — a maximum elevation change of 52 m around an average of 165 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 806 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,524 m.

The land around A Yun Pa is covered by cropland (60%) within 3 km, cropland (41%), grassland (28%) and trees (27%) within 16 km, and trees (59%) and cropland (20%) within 80 km.

3 km
52 m
16 km
806 m
80 km
1,524 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ea Drăng 33 km · Buôn Hồ 52 km · An Khê 65 km · Quảng Phú 75 km · Phước An 78 km · Pleiku 80 km · Sông Cầu 86 km · An Nhơn 91 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 A Yun Pa (13.4002°, 108.435°, elevation 165 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).