An Khê weather in September

In September, An Khê sees average daytime highs of 30°C and overnight lows near 23°C, with 209 mm of rain across 23.1 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 5% 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 An Khê's 12th-clearest and 8th-windiest month. For the whole year in context, see An Khê's year-round climate.

Daytime high
30°
6th warmest
Overnight low
23°
8th coldest
Rainfall
209 mm
23.1 wet days
Daylight
12 h 06 min
5:37 AM – 5:42 PM
Cloud cover
83%
12th clearest
Wind
8 km/h
8th windiest
Solar energy
4.66 kWh/m²
Travel score
3.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical September day in An Khê 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 28°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53123
63123
73123
83123
93123
103123
113123
123123
133123
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
282923
292923
302923

How September really feels in An Khê

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.

An Khê weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°429.811.36.8
Feb26° / 19°236.211.57.1
Mar29° / 21°449.211.95.8
Apr31° / 22°7913.612.34.1
May32° / 24°15120.512.63.0
Jun32° / 24°10017.112.83.2
Jul31° / 24°10517.412.73.4
Aug31° / 24°11817.212.53.5
Sep30° / 23°20923.112.13.1
Oct28° / 22°22723.711.74.1
Nov26° / 21°2311911.45.0
Dec24° / 19°12015.711.25.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31585
41585
51486
61486
71486
81486
91486
101486
111387
121387
131387
141387
151486
161486
171486
181585
191684
201684
211684
221783
231882
241882
251882
261981
271981
281882
291882
301981

Chance of precipitation in September

Any precipitation

An Khê gets around 209 mm of rain over 23.1 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 77% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
167
268
368
469
570
671
772
872
973
1074
1175
1276
1377
1478
1578
1679
1779
1880
1980
2080
2180
2281
2381
2482
2582
2682
2783
2883
2983
3083

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1496
2496
3496
4595
5595
6595
7595
8595
9595
10595
11595
12595
13595
14496
15496
16496
17496
18397
19397
20397
21397
22397
23298
24298
25397
26397
27397
28496
29496
30595

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 6 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
276calm
286calm
296calm
306calm

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 5:37 AM to 5:38 AM, and sunset from 5:53 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:375:53
212.35:375:53
312.25:375:52
412.25:375:51
512.25:375:50
612.25:375:50
712.25:375:49
812.25:375:48
912.25:375:47
1012.25:375:47
1112.15:375:46
1212.15:375:45
1312.15:375:44
1412.15:375:44
1512.15:375:43
1612.15:375:42
1712.15:375:41
1812.15:375:40
1912.05:385:40
2012.05:385:39
2112.05:385:38
2212.05:385:37
2312.05:385:37
2412.05:385:36
2512.05:385:35
2611.95:385:34
2711.95:385:34
2811.95:385:33
2911.95:385:32
3011.95:385:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.66 kWh/m².

For context, solar energy here swings from a low near 3.31 kWh/m² to a high of 6.03 kWh/m² in April across the year — September's 4.66 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for An Khê

In seasonPeak

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

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

An Khê's rainy season runs July–December, when most of the year's rain falls.

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

Is September a good time to visit An Khê?

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

3.1
Sightseeing
11th-best month of the year
4.5
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in An Khê.

What to pack for An Khê in September

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

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

light clothesrain gearsun protection

Sea temperature near An Khê in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 70 km away) is warmest in August at about 29°C and coldest in February near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Refreshing
Mar25Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in An Khê 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 An Khê peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (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 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in An Khê 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 An Khê is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2032 µg/m³Jul 1914 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar33Moderate
Apr28Moderate
May19Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct17Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is An Khê?

An Khê sits at 13.9°N, 108.7°E, 409 m above sea level, in Vietnam. The nearest listed city is An Nhơn, 50 km away.

Ea DrăngĐức Phổ

Topography around An Khê

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

Within 3 km, the terrain around An Khê has only modest variations in elevation — a maximum elevation change of 158 m around an average of 421 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 954 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,734 m.

The land around An Khê is covered by cropland (29%), trees (27%) and artificial surfaces (23%) within 3 km, trees (44%), cropland (30%) and grassland (23%) within 16 km, and trees (61%) within 80 km.

3 km
158 m
16 km
954 m
80 km
1,734 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: An Nhơn 50 km · Qui Nhon 65 km · A Yun Pa 65 km · Pleiku 70 km · Kon Tum 83 km · Sông Cầu 83 km · Ea Drăng 96 km · Đức Phổ 102 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 An Khê (13.95°, 108.65°, elevation 409 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).