Phan Rang-Tháp Chàm weather in September

In September, Phan Rang-Tháp Chàm sees average daytime highs of 30°C and overnight lows near 25°C, with 182 mm of rain across 21.5 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 2nd-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 8% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Phan Rang-Tháp Chàm's 12th-clearest and 10th-windiest month. For the whole year in context, see Phan Rang-Tháp Chàm's year-round climate.

Daytime high
30°
6th warmest
Overnight low
25°
8th coldest
Rainfall
182 mm
21.5 wet days
Daylight
12 h 06 min
5:36 AM – 5:40 PM
Cloud cover
81%
12th clearest
Wind
11 km/h
10th windiest
Solar energy
5.26 kWh/m²
Travel score
3.5
out of 10

Phan Rang-Tháp Chàm is capital of Ninh Thuận province, Vietnam.

Density
2,636/km²
people per km²
Founded
1917

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Phan Rang-Tháp Chàm reaches about 30°C in the afternoon and slips back to 25°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 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925

How September really feels in Phan Rang-Tháp Chàm

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.

Phan Rang-Tháp Chàm weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°212.511.47.7
Feb27° / 22°71.311.68.0
Mar29° / 23°182.611.96.8
Apr30° / 25°365.912.25.6
May31° / 26°11116.912.53.9
Jun31° / 26°8114.712.73.9
Jul30° / 26°8015.112.64.1
Aug30° / 26°8114.812.44.0
Sep30° / 25°18221.512.13.5
Oct28° / 25°21421.911.74.2
Nov28° / 24°13811.711.56.0
Dec27° / 23°1078.111.36.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32278
42080
52080
61981
71981
81882
91882
101783
111783
121684
131585
141585
151585
161585
171585
181585
191585
201684
211684
221684
231684
241783
251783
261882
271981
281981
291981
302179

Chance of precipitation in September

Any precipitation

Phan Rang-Tháp Chàm gets around 182 mm of rain over 21.5 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 71% 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 (%)
157
257
358
459
559
660
762
863
964
1065
1167
1268
1370
1471
1572
1674
1775
1876
1977
2078
2179
2279
2380
2480
2581
2682
2782
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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16139
26139
36139
46139
56139
66139
76139
86139
96139
106139
116139
126139
136139
146238
156238
166139
176139
186139
196139
206139
216238
226238
236337
246436
256535
266634
276733
286832
297030
307129

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
812calm
912calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 5:37 AM to 5:36 AM, and sunset from 5:51 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:375:51
212.25:375:50
312.25:375:49
412.25:375:49
512.25:375:48
612.25:375:47
712.25:375:47
812.25:375:46
912.15:375:45
1012.15:375:44
1112.15:375:44
1212.15:375:43
1312.15:375:42
1412.15:375:42
1512.15:375:41
1612.15:365:40
1712.15:365:40
1812.05:365:39
1912.05:365:38
2012.05:365:37
2112.05:365:37
2212.05:365:36
2312.05:365:35
2412.05:365:35
2512.05:365:34
2612.05:365:33
2711.95:365:33
2811.95:365:32
2911.95:365:31
3011.95:365:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.26 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.49 kWh/m² in April across the year — September's 5.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Hazard calendar for Phan Rang-Tháp Chàm

In seasonPeak

In September, Phan Rang-Tháp Chàm sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Phan Rang-Tháp Chàm sits in the Pacific typhoon belt; the season peaks July–October.

Phan Rang-Tháp Chàm's rainy season runs May–May, 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 Phan Rang-Tháp Chàm?

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

3.5
Sightseeing
12th-best month of the year
4.8
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Phan Rang-Tháp Chàm.

What to pack for Phan Rang-Tháp Chàm in September

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

In September, Phan Rang-Tháp Chàm sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Phan Rang-Tháp Chàm in September

The nearest coast averages about 28°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 16 km away) is warmest in May at about 29°C and coldest in January near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr28Warm
May29Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Tropical
Oct28Tropical
Nov27Warm
Dec26Warm

UV index in Phan Rang-Tháp Chàm in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phan Rang-Tháp Chàm peaks around March 24 at about 13 (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 highMar 24UV 13Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Phan Rang-Tháp Chàm 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 Phan Rang-Tháp Chàm is worst in July — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1520 µg/m³Dec 1514 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar18Moderate
Apr18Moderate
May17Moderate
Jun19Moderate
Jul20Moderate
Aug19Moderate
Sep19Moderate
Oct19Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Phan Rang-Tháp Chàm?

Phan Rang-Tháp Chàm sits at 11.6°N, 109.0°E, 8 m above sea level, in Vietnam. The nearest listed city is Khánh Hải, 6.0 km away.

Mui Ne

Topography around Phan Rang-Tháp Chàm

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Phan Rang-Tháp Chàm.

Within 3 km, the terrain around Phan Rang-Tháp Chàm has only modest variations in elevation — a maximum elevation change of 12 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 544 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,277 m.

The land around Phan Rang-Tháp Chàm is covered by artificial surfaces (39%) and trees (22%) within 3 km, grassland (29%), water (26%) and cropland (21%) within 16 km, and trees (41%) and water (41%) within 80 km.

3 km
12 m
16 km
544 m
80 km
2,277 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Khánh Hải 6.0 km · Cam Ranh 44 km · Đưc Trọng 70 km · Da Lat 73 km · Nha Trang 79 km · Đinh Văn 85 km · Huyện Lâm Hà 89 km · Mui Ne 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 Phan Rang-Tháp Chàm (11.5643°, 108.9886°, elevation 8 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).