Can Tho weather in September

In September, Can Tho sees average daytime highs of 31°C and overnight lows near 25°C, with 263 mm of rain across 27.5 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels miserable.

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 Can Tho's 12th-clearest and 4th-windiest month. For the whole year in context, see Can Tho's year-round climate.

Daytime high
31°
7th warmest
Overnight low
25°
7th coldest
Rainfall
263 mm
27.5 wet days
Daylight
12 h 06 min
5:50 AM – 5:53 PM
Cloud cover
89%
12th clearest
Wind
10 km/h
4th windiest
Solar energy
4.36 kWh/m²
Travel score
2.5
out of 10

Can Tho is former city in Can Tho province, Vietnam.

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 31°C through the month.

A typical September day in Can Tho reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125

How September really feels in Can Tho

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.

Can Tho weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°274.411.55.7
Feb31° / 23°11211.75.4
Mar33° / 25°355.411.94.1
Apr34° / 26°8112.212.23.0
May33° / 26°19825.112.52.3
Jun31° / 26°22726.412.62.5
Jul31° / 25°23728.212.52.6
Aug31° / 25°24128.312.32.6
Sep31° / 25°26327.512.12.5
Oct31° / 25°28827.411.82.7
Nov31° / 25°15418.611.53.6
Dec30° / 24°761011.45.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8892
9892
10892
11892
12793
13793
14793
15793
16793
17793
18793
19793
20793
21892
22892
23892
24892
25892
26892
27892
28892
29892
30793

Chance of precipitation in September

Any precipitation

Can Tho gets around 263 mm of rain over 27.5 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
291
391
491
591
691
791
892
992
1092
1192
1292
1392
1492
1592
1692
1792
1892
1992
2092
2192
2292
2392
2492
2592
2693
2793
2893
2993
3094

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1991
21090
31090
41090
51090
61090
71189
81189
91189
101189
111189
121189
131189
141189
151189
161189
171189
181189
191090
201090
211090
221090
231090
24991
25991
26991
27991
28991
29991
30991

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
249calm
259calm
269calm
279calm
289calm
299calm
308calm

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 5:51 AM to 5:49 AM, and sunset from 6:02 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:516:02
212.25:516:02
312.25:516:01
412.25:516:01
512.25:506:00
612.15:505:59
712.15:505:59
812.15:505:58
912.15:505:57
1012.15:505:57
1112.15:505:56
1212.15:505:55
1312.15:505:55
1412.15:505:54
1512.15:505:53
1612.15:505:53
1712.05:495:52
1812.05:495:51
1912.05:495:51
2012.05:495:50
2112.05:495:50
2212.05:495:49
2312.05:495:48
2412.05:495:48
2512.05:495:47
2612.05:495:46
2712.05:495:46
2811.95:495:45
2911.95:495:44
3011.95:495:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.36 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 5.97 kWh/m² in March across the year — September's 4.36 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Can Tho

In seasonPeak

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

Can Tho sits in the Pacific typhoon belt; the season peaks July–October.

Can Tho's rainy season runs May–November, 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 Can Tho?

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

2.5
Sightseeing
10th-best month of the year
3.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Can Tho.

What to pack for Can Tho in September

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

In September, Can Tho sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Can Tho 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 Can Tho peaks around September 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highSep 9UV 13Dec 19UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Can Tho 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 Can Tho is worst in December — around 57 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 27 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorUnhealthyDec 1556 µg/m³Aug 1327 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb40Poor
Mar38Poor
Apr39Poor
May37Poor
Jun32Moderate
Jul30Moderate
Aug27Moderate
Sep35Poor
Oct49Poor
Nov53Poor
Dec57Unhealthy
Location & terrain

Where is Can Tho?

Can Tho sits at 10.0°N, 105.8°E, 3 m above sea level, in Vietnam. The nearest listed city is Bình Minh, 5.0 km away.

Topography around Can Tho

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

Within 3 km, the terrain around Can Tho has only modest variations in elevation — a maximum elevation change of 15 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 15 m; within 80 km, only modest variations in elevation — a maximum elevation change of 206 m.

The land around Can Tho is covered by artificial surfaces (44%), water (27%) and trees (25%) within 3 km, trees (50%) and cropland (29%) within 16 km, and cropland (59%) and trees (31%) within 80 km.

3 km
15 m
16 km
15 m
80 km
206 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Bình Minh 5.0 km · Cái Răng 6.0 km · Bình Thủy 7.0 km · Phong Điền 14 km · Ô Môn 20 km · Ngã Bảy 25 km · Thới Lai 25 km · Sa Dec 28 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 Can Tho (10.0371°, 105.7883°, elevation 3 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). 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).