Kawthaung weather in September

In September, Kawthaung sees average daytime highs of 27°C and overnight lows near 25°C, with 419 mm of rain across 27.9 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 2% 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 Kawthaung's 10th-clearest and 4th-windiest month. For the whole year in context, see Kawthaung's year-round climate.

Daytime high
27°
12th warmest
Overnight low
25°
5th coldest
Rainfall
419 mm
27.9 wet days
Daylight
12 h 06 min
5:48 AM – 5:52 PM
Cloud cover
89%
10th clearest
Wind
17 km/h
4th windiest
Solar energy
4.4 kWh/m²
Travel score
3.5
out of 10

Kawthaung is human settlement.

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 27°C through the month.

A typical September day in Kawthaung reaches about 27°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12725
22725
32725
42725
52725
62725
72725
82725
92725
102725
112725
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725

How September really feels in Kawthaung

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kawthaung weather by month

How September compares with the rest of the year at a glance. September is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°34511.56.5
Feb29° / 25°163.411.76.4
Mar30° / 26°679.211.95.5
Apr30° / 27°11516.812.24.3
May29° / 26°30527.312.53.3
Jun28° / 26°33526.312.63.5
Jul28° / 26°36327.912.53.6
Aug27° / 26°3892812.33.6
Sep27° / 25°41927.912.13.5
Oct28° / 25°32726.711.83.8
Nov28° / 25°12616.111.54.9
Dec28° / 25°487.711.46.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3694
4694
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16694
17694
18793
19793
20793
21793
22793
23793
24793
25793
26793
27793
28793
29793
30793

Chance of precipitation in September

Any precipitation

Kawthaung gets around 419 mm of rain over 27.9 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
392
491
591
691
791
892
992
1092
1192
1292
1392
1492
1592
1693
1793
1893
1994
2094
2194
2294
2395
2495
2595
2695
2795
2895
2995
3095

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 (%)
15248
25347
35446
45545
55743
65842
75941
86040
96139
106139
116238
126337
136337
146436
156436
166436
176535
186535
196535
206535
216535
226535
236634
246634
256733
266832
276832
286931
297030
307228

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3014light breeze

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 5:50 AM to 5:47 AM, and sunset from 6:01 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:01
212.25:506:01
312.25:506:00
412.25:505:59
512.25:495:59
612.15:495:58
712.15:495:58
812.15:495:57
912.15:495:56
1012.15:495:56
1112.15:495:55
1212.15:495:54
1312.15:495:54
1412.15:495:53
1512.15:495:52
1612.15:485:52
1712.05:485:51
1812.05:485:50
1912.05:485:50
2012.05:485:49
2112.05:485:48
2212.05:485:48
2312.05:485:47
2412.05:485:47
2512.05:485:46
2612.05:485:45
2712.05:485:45
2811.95:485:44
2911.95:475:43
3011.95:475:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.4 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 6.26 kWh/m² in March across the year — September's 4.4 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Kawthaung

In seasonPeak

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

Kawthaung sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Kawthaung's rainy season runs May–October, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Kawthaung?

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

3.5
Sightseeing
10th-best month of the year
3.6
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Kawthaung.

What to pack for Kawthaung in September

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

In September, Kawthaung sees daytime highs around 27°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Kawthaung 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 23 km away) is warmest in April at about 30°C and coldest in January near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Kawthaung 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 Kawthaung peaks around August 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highAug 20UV 13Jan 11UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec10Very high

Air quality in Kawthaung 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 Kawthaung is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMar 1416 µg/m³Oct 1710 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar16Moderate
Apr16Moderate
May12Good
Jun12Good
Jul13Moderate
Aug11Good
Sep10Good
Oct9Good
Nov10Good
Dec12Good
Location & terrain

Where is Kawthaung?

Kawthaung sits at 10.0°N, 98.6°E, 110 m above sea level, in Myanmar. The nearest listed city is Ranong, 9.0 km away.

Tha KhamSurat ThaniKo Tao

Topography around Kawthaung

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

Within 3 km, the terrain around Kawthaung has significant variations in elevation — a maximum elevation change of 341 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 665 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,368 m.

The land around Kawthaung is covered by water (73%) within 3 km, water (53%) and trees (34%) within 16 km, and trees (49%) and water (48%) within 80 km.

3 km
341 m
16 km
665 m
80 km
1,368 m
treesgrasslandartificial surfaceswatermangroves
September weather nearby: Ranong 9.0 km · Lang Suan 58 km · Chumphon 89 km · Tha Kham 122 km · Surat Thani 127 km · Ko Tao 141 km · Khao Lak 156 km · Ban Na San 159 km

Myanmar travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / C / D / F / G / I
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$1,489
2025
Happiness
4.3 / 10
World Happiness, 2025
Safe drinking water
60%
of population, 2024
Homicide rate
2.6
per 100k, 2023
Road deaths
20.4
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 444
Religion
Buddhist 88%Christian 6%Muslim 4%Animist 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 Kawthaung (9.9824°, 98.5503°, elevation 110 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).