Hương Trà weather in September

In September, Hương Trà sees average daytime highs of 30°C and overnight lows near 25°C, with 344 mm of rain across 23.4 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 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 12% 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 Hương Trà's 8th-clearest and 9th-windiest month. For the whole year in context, see Hương Trà's year-round climate.

Daytime high
30°
5th warmest
Overnight low
25°
8th coldest
Rainfall
344 mm
23.4 wet days
Daylight
12 h 06 min
5:42 AM – 5:47 PM
Cloud cover
79%
8th clearest
Wind
7 km/h
9th windiest
Solar energy
4.67 kWh/m²
Travel score
3.2
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 Hương Trà reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°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 2°C cooler than August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13126
23126
33126
43126
53126
63126
73126
83126
93126
103126
113125
123125
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
262925
272925
282925
292925
302925

How September really feels in Hương Trà

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
1 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.

Hương Trà 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
Jan23° / 19°17817.211.15.6
Feb25° / 20°1011311.46.2
Mar27° / 22°10311.411.96.3
Apr29° / 24°11212.812.44.9
May31° / 25°24121.312.83.2
Jun32° / 26°16619.1132.8
Jul32° / 26°18519.512.92.9
Aug32° / 26°21019.612.63.0
Sep30° / 25°34423.412.13.2
Oct28° / 24°47623.811.64.1
Nov26° / 22°48221.811.24.7
Dec24° / 20°38122.6114.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
21882
31783
41783
51684
61783
71783
81882
91882
101882
111882
121981
132080
142080
152179
162377
172377
182575
192674
202773
212872
222971
232971
242971
252971
263070
273070
283169
293169
303268

Chance of precipitation in September

Any precipitation

Hương Trà gets around 344 mm of rain over 23.4 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 78% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
176
277
377
478
578
678
779
879
979
1079
1179
1279
1379
1479
1578
1678
1778
1878
1978
2077
2177
2277
2377
2477
2578
2678
2778
2878
2978
3078

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101189
201189
301288
401288
501387
601486
701585
801585
901684
1001783
1101882
1211980
1312079
1412178
1512376
1612475
1712574
1812772
1912871
2012970
2113168
2213267
2313465
2413663
2513762
2613960
2724058
2824256
2924454
3024553

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

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
268calm
278calm
288calm
298calm
308calm

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 5:40 AM to 5:43 AM, and sunset from 6:00 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:406:00
212.35:405:59
312.35:405:58
412.35:405:57
512.35:405:56
612.25:415:56
712.25:415:55
812.25:415:54
912.25:415:53
1012.25:415:52
1112.25:415:51
1212.25:415:51
1312.15:415:50
1412.15:415:49
1512.15:425:48
1612.15:425:47
1712.15:425:46
1812.15:425:45
1912.05:425:45
2012.05:425:44
2112.05:425:43
2212.05:425:42
2312.05:425:41
2412.05:435:40
2511.95:435:40
2611.95:435:39
2711.95:435:38
2811.95:435:37
2911.95:435:36
3011.95:435:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.87 kWh/m² in June across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Hương Trà

In seasonPeak

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

Hương Trà sits in the Pacific typhoon belt; the season peaks July–October.

Hương Trà's rainy season runs September–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 Hương Trà?

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

3.2
Sightseeing
8th-best month of the year
4.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Hương Trà.

What to pack for Hương Trà in September

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

In September, Hương Trà sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Hương Trà 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 22°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb22Refreshing
Mar23Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Tropical
Nov26Warm
Dec24Warm

UV index in Hương Trà 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 Hương Trà peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighAug 12UV 13Dec 15UV 6
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar9Very high
Apr10Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec6High

Air quality in Hương Trà 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 Hương Trà is worst in March — around 76 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (July, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateMar 2274 µg/m³Jul 1915 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb27Moderate
Mar76Unhealthy
Apr66Unhealthy
May26Moderate
Jun17Moderate
Jul15Moderate
Aug16Moderate
Sep19Moderate
Oct21Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Hương Trà?

Hương Trà sits at 16.5°N, 107.5°E, 11 m above sea level, in Vietnam. The nearest listed city is Phong Điền, 13 km away.

Topography around Hương Trà

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

Within 3 km, the terrain around Hương Trà has only modest variations in elevation — a maximum elevation change of 32 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 693 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,057 m.

The land around Hương Trà is covered by cropland (41%) and trees (33%) within 3 km, trees (41%) and cropland (21%) within 16 km, and trees (61%) and water (31%) within 80 km.

3 km
32 m
16 km
693 m
80 km
2,057 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Phong Điền 13 km · Hue 15 km · Hương Thủy 21 km · thị xã Quảng Trị 40 km · Ðông Hà 51 km · Cam Lộ 60 km · Bà Nà 81 km · Thanh Khê 92 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 Hương Trà (16.5254°, 107.4755°, elevation 11 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).