Kayan weather in September

In September, Kayan sees average daytime highs of 32°C and overnight lows near 25°C, with 394 mm of rain across 28.9 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 2% 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 Kayan's 9th-clearest and 9th-windiest month. For the whole year in context, see Kayan's year-round climate.

Daytime high
32°
9th warmest
Overnight low
25°
8th coldest
Rainfall
394 mm
28.9 wet days
Daylight
12 h 06 min
5:55 AM – 6:01 PM
Cloud cover
90%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
3.91 kWh/m²
Travel score
2.2
out of 10

Kayan is village in Yangon Region, Myanmar.

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 32°C through the month.

A typical September day in Kayan reaches about 32°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 30°C and 33°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225

How September really feels in Kayan

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
30 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.

Kayan weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°40.811.14.9
Feb35° / 19°30.411.43.4
Mar37° / 23°111.911.92.0
Apr38° / 26°465.212.41.2
May35° / 27°29222.812.81.7
Jun32° / 26°49829.7132.1
Jul31° / 25°54130.712.92.2
Aug31° / 25°54130.912.62.2
Sep32° / 25°39428.912.12.2
Oct33° / 25°17619.911.62.9
Nov33° / 23°344.211.24.3
Dec32° / 20°50.7115.2

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 4% of September, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9298
10397
11397
12397
13397
14397
15496
16496
17496
18595
19694
20793
21793
22892
231090
241090
251189
261288
271387
281387
291684
301684

Chance of precipitation in September

Any precipitation

Kayan gets around 394 mm of rain over 28.9 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 96% and peaks near 100% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
1100
2100
3100
4100
5100
6100
7100
899
999
1099
1199
1299
1398
1498
1597
1697
1796
1896
1995
2095
2194
2294
2393
2492
2592
2691
2790
2889
2989
3088

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
220100
230100
240100
250100
26199
27199
28199
29199
30199

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:53 AM to 5:57 AM, and sunset from 6:14 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:536:14
212.35:546:13
312.35:546:12
412.35:546:11
512.35:546:10
612.35:546:09
712.25:546:09
812.25:546:08
912.25:546:07
1012.25:556:06
1112.25:556:05
1212.25:556:04
1312.15:556:03
1412.15:556:03
1512.15:556:02
1612.15:556:01
1712.15:556:00
1812.15:555:59
1912.05:565:58
2012.05:565:57
2112.05:565:57
2212.05:565:56
2312.05:565:55
2412.05:565:54
2511.95:565:53
2611.95:575:52
2711.95:575:52
2811.95:575:51
2911.95:575:50
3011.95:575:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.91 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 6.78 kWh/m² in April across the year — September's 3.91 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.9Moderate
163.9Moderate
173.9Moderate
184.0Moderate
194.0Moderate
204.0Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Kayan

In seasonPeak

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

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

Kayan's monsoon runs May–September, when most of the year's rain falls.

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

Is September a good time to visit Kayan?

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

2.2
Sightseeing
6th-best month of the year
3.4
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Kayan.

What to pack for Kayan in September

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

In September, Kayan sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Kayan 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 32 km away) is warmest in April at about 30°C and coldest in January near 27°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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Kayan in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kayan peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 12UV 13Dec 18UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar9Very high
Apr10Very high
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov9Very high
Dec7Very high

Air quality in Kayan 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 Kayan is worst in March — around 46 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (June, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1145 µg/m³Jun 2317 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb44Poor
Mar46Poor
Apr36Poor
May23Moderate
Jun17Moderate
Jul18Moderate
Aug19Moderate
Sep18Moderate
Oct20Moderate
Nov27Moderate
Dec33Moderate
Location & terrain

Where is Kayan?

Kayan sits at 16.9°N, 96.6°E, 13 m above sea level, in Myanmar. The nearest listed city is Thongwa, 17 km away.

Topography around Kayan

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

Within 3 km, the terrain around Kayan has only modest variations in elevation — a maximum elevation change of 10 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, large variations in elevation — a maximum elevation change of 760 m.

The land around Kayan is covered by cropland (65%) and trees (22%) within 3 km, cropland (84%) within 16 km, and cropland (44%) and water (32%) within 80 km.

3 km
10 m
16 km
12 m
80 km
760 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Thongwa 17 km · Thanhlyin 36 km · Thanlyin 37 km · Kyauktan 39 km · Hlegu 42 km · Thanatpin 43 km · Pazundaung 43 km · Shwenatha 43 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 Kayan (16.908°, 96.5604°, elevation 13 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).