Đức Phổ weather in September

In September, Đức Phổ sees average daytime highs of 30°C and overnight lows near 26°C, with 246 mm of rain across 23.3 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 30°C in the first days to 29°C by the end. The sky is clear or mostly clear about 13% 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 Đức Phổ's 11th-clearest and 12th-windiest month. For the whole year in context, see Đức Phổ's year-round climate.

Daytime high
30°
5th warmest
Overnight low
26°
8th coldest
Rainfall
246 mm
23.3 wet days
Daylight
12 h 06 min
5:36 AM – 5:41 PM
Cloud cover
78%
11th clearest
Wind
9 km/h
12th windiest
Solar energy
5.17 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 29°C by the end.

A typical September day in Đức Phổ reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
13127
23127
33027
43027
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
192926
202926
212926
222926
232926
242926
252925
262925
272925
282925
292925
302925

How September really feels in Đức Phổ

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.

Đức Phổ 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° / 21°15916.711.25.9
Feb25° / 21°8210.911.56.7
Mar26° / 23°789.311.97.0
Apr28° / 24°578.112.36.2
May30° / 26°11414.812.74.4
Jun31° / 27°8314.812.93.7
Jul31° / 27°8715.112.83.8
Aug31° / 27°11316.812.53.6
Sep30° / 26°24623.312.13.4
Oct28° / 24°41525.111.74.1
Nov26° / 23°52022.811.34.6
Dec24° / 22°40122.711.14.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12278
22179
32179
42179
52080
62179
72179
82179
92179
102179
112179
122179
132179
142278
152377
162377
172377
182575
192575
202674
212674
222773
232773
242773
252773
262773
272872
282872
292872
302872

Chance of precipitation in September

Any precipitation

Đức Phổ gets around 246 mm of rain over 23.3 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 79% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
171
272
373
474
575
676
777
877
978
1078
1179
1279
1379
1479
1579
1679
1779
1878
1978
2078
2177
2277
2377
2477
2578
2678
2778
2879
2979
3079

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
103367
203466
303664
403763
503862
604060
704159
804258
904357
1004555
1104654
1204753
1304852
1405050
1505149
1605248
1705347
1805545
1905644
2005743
2105842
2205941
2306040
2406238
2506337
2606436
2706634
2806733
2916732
3016831

Wind in September

Winds average 9 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 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
19calm
29calm
39calm
48calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:35 AM to 5:37 AM, and sunset from 5:53 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:355:53
212.35:355:52
312.35:355:51
412.25:355:50
512.25:355:50
612.25:355:49
712.25:365:48
812.25:365:47
912.25:365:46
1012.25:365:46
1112.25:365:45
1212.15:365:44
1312.15:365:43
1412.15:365:43
1512.15:365:42
1612.15:365:41
1712.15:365:40
1812.15:365:39
1912.05:365:39
2012.05:365:38
2112.05:365:37
2212.05:365:36
2312.05:365:35
2412.05:375:35
2512.05:375:34
2611.95:375:33
2711.95:375:32
2811.95:375:31
2911.95:375:31
3011.95:375:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.17 kWh/m².

For context, solar energy here swings from a low near 3.17 kWh/m² to a high of 6.3 kWh/m² in April across the year — September's 5.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Đức Phổ

In seasonPeak

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

Đức Phổ sits in the Pacific typhoon belt; the season peaks July–October.

Đức Phổ'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 Đức Phổ?

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

3.4
Sightseeing
12th-best month of the year
4.6
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Đức Phổ.

What to pack for Đức Phổ in September

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

In September, Đức Phổ sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Đức Phổ 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 19 km away) is warmest in August at about 30°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
May28Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Đức Phổ 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 Đức Phổ peaks around August 13 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 13UV 14Dec 15UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Đức Phổ 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 Đức Phổ is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2335 µg/m³Nov 1815 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar35Moderate
Apr34Moderate
May28Moderate
Jun23Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Đức Phổ?

Đức Phổ sits at 14.8°N, 109.0°E, 17 m above sea level, in Vietnam. The nearest listed city is Mỹ Khê, 38 km away.

Tam KỳAn KhêAn Nhơn

Topography around Đức Phổ

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

Within 3 km, the terrain around Đức Phổ has only modest variations in elevation — a maximum elevation change of 166 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 683 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,745 m.

The land around Đức Phổ is covered by cropland (41%) and trees (34%) within 3 km, trees (45%) and water (32%) within 16 km, and trees (52%) and water (38%) within 80 km.

3 km
166 m
16 km
683 m
80 km
1,745 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Mỹ Khê 38 km · Quảng Ngãi 39 km · Mỹ Lại 42 km · Lý Sơn 64 km · Núi Thành 76 km · Tam Kỳ 99 km · An Khê 102 km · An Nhơn 104 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 Đức Phổ (14.8135°, 108.9593°, elevation 17 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).