Đông Phú weather in September

In September, Đông Phú sees average daytime highs of 32°C and overnight lows near 25°C, with 284 mm of rain across 23.7 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 10% of the time in September, and the air most often feels miserable.

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 Đông Phú's 10th-clearest and 11th-windiest month. For the whole year in context, see Đông Phú's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
8th coldest
Rainfall
284 mm
23.7 wet days
Daylight
12 h 06 min
5:39 AM – 5:44 PM
Cloud cover
80%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
4.9 kWh/m²
Travel score
2.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical September day in Đông Phú reaches about 32°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 29°C and 34°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13326
23326
33326
43326
53326
63326
73326
83326
93226
103225
113225
123225
133225
143225
153225
163225
173225
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293025
303025

How September really feels in Đông Phú

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
17 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.

Đông Phú weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 20°1451611.25.8
Feb26° / 20°7710.411.56.4
Mar28° / 22°799.711.95.9
Apr31° / 24°7710.212.34.2
May34° / 26°13518.112.72.5
Jun35° / 27°9916.712.92.0
Jul35° / 27°12818.512.82.1
Aug34° / 26°15920.512.52.2
Sep32° / 25°28423.712.12.7
Oct29° / 24°41224.811.63.6
Nov27° / 23°45222.411.34.4
Dec25° / 21°33522.411.14.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22080
31981
41981
51981
61981
71981
81981
91981
101882
111981
122080
132080
142080
152179
162179
172179
182278
192278
202278
212377
222377
232377
242476
252476
262476
272476
282476
292476
302575

Chance of precipitation in September

Any precipitation

Đông Phú gets around 284 mm of rain over 23.7 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 79% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
177
278
379
479
580
680
781
881
981
1081
1181
1281
1381
1481
1580
1680
1779
1878
1978
2077
2177
2277
2377
2477
2578
2678
2778
2879
2979
3079

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101684
201684
301585
401585
501585
601486
701486
801486
901486
1001486
1101486
1201486
1301486
1401585
1501684
1601684
1701783
1801882
1902080
2002179
2102278
2202476
2302575
2402773
2502872
2613069
2713168
2813267
2913366
3013564

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:40 AM, and sunset from 5:56 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:385:56
212.35:385:55
312.35:385:55
412.35:385:54
512.35:385:53
612.25:385:52
712.25:385:51
812.25:385:51
912.25:385:50
1012.25:385:49
1112.25:385:48
1212.15:395:47
1312.15:395:47
1412.15:395:46
1512.15:395:45
1612.15:395:44
1712.15:395:43
1812.15:395:42
1912.05:395:42
2012.05:395:41
2112.05:395:40
2212.05:395:39
2312.05:395:38
2412.05:405:37
2512.05:405:37
2611.95:405:36
2711.95:405:35
2811.95:405:34
2911.95:405:33
3011.95:405:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.9 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.12 kWh/m² in May across the year — September's 4.9 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.3Bright
Planning a trip in September

Hazard calendar for Đông Phú

In seasonPeak

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

Đông Phú sits in the Pacific typhoon belt; the season peaks July–October.

Đông Phú's monsoon runs September–December, when most of the year's rain falls.

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

Is September a good time to visit Đông Phú?

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

2.7
Sightseeing
8th-best month of the year
4.2
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Đông Phú.

What to pack for Đông Phú in September

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

In September, Đông Phú sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Đông Phú 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 44 km away) is warmest in August at about 30°C and coldest in February near 23°C.

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

25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb23Refreshing
Mar24Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Đông Phú in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Đông Phú peaks around July 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJul 24UV 13Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar11Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Đông Phú 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 Đông Phú is worst in March — around 49 µg/m³ PM2.5 (poor), about 3.0× the cleanest month (July, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2048 µg/m³Jul 2416 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb29Moderate
Mar49Poor
Apr42Poor
May28Moderate
Jun21Moderate
Jul16Moderate
Aug17Moderate
Sep20Moderate
Oct22Moderate
Nov21Moderate
Dec23Moderate
Location & terrain

Where is Đông Phú?

Đông Phú sits at 15.7°N, 108.2°E, 43 m above sea level, in Vietnam. The nearest listed city is Điện Bàn, 24 km away.

Topography around Đông Phú

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

Within 3 km, the terrain around Đông Phú has only modest variations in elevation — a maximum elevation change of 247 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 938 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,565 m.

The land around Đông Phú is covered by trees (59%) and cropland (22%) within 3 km, trees (74%) within 16 km, and trees (60%) and water (31%) within 80 km.

3 km
247 m
16 km
938 m
80 km
2,565 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Điện Bàn 24 km · Đại Lộc 25 km · Hoi An 26 km · Hải Châu 29 km · Tam Kỳ 29 km · Cẩm Lệ 38 km · Hòa Cường 41 km · Bà Nà 43 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 Đông Phú (15.6736°, 108.2201°, elevation 43 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).