Kalaw weather in September

In September, Kalaw sees average daytime highs of 27°C and overnight lows near 20°C, with 341 mm of rain across 28.6 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 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 muggy.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Kalaw's 9th-clearest and 10th-windiest month. For the whole year in context, see Kalaw's year-round climate.

Daytime high
27°
6th warmest
Overnight low
20°
8th coldest
Rainfall
341 mm
28.6 wet days
Daylight
12 h 06 min
5:55 AM – 6:02 PM
Cloud cover
87%
9th clearest
Wind
5 km/h
10th windiest
Solar energy
4.12 kWh/m²
Travel score
3.5
out of 10

Kalaw is human settlement in 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 27°C through the month.

A typical September day in Kalaw reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12721
22721
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720

Kalaw 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
Jan24° / 10°91.210.99.3
Feb27° / 12°40.811.38.8
Mar29° / 15°71.211.97.1
Apr31° / 19°25412.55.5
May29° / 20°19020.2134.1
Jun27° / 21°30529.213.23.3
Jul26° / 21°32130.213.13.3
Aug26° / 21°35730.412.73.3
Sep27° / 20°34128.612.13.5
Oct27° / 19°22124.811.54.4
Nov26° / 15°507.1117.5
Dec24° / 12°12210.88.9

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 6% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1397
2496
3496
4496
5496
6595
7595
8595
9595
10694
11793
12793
13793
14793
15793
16793
17793
18793
19793
20991
21991
22991
23991
241090
251090
261090
271189
281387
291387
301486

Chance of precipitation in September

Any precipitation

Kalaw gets around 341 mm of rain over 28.6 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 95% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
197
297
397
497
597
697
797
897
997
1097
1197
1297
1397
1497
1596
1696
1796
1896
1995
2095
2195
2294
2394
2493
2593
2692
2792
2891
2991
3090

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
106040
206139
306238
406238
506238
606238
706238
806238
906238
1006238
1106238
1206238
1306238
1406337
1506337
1606436
1706535
1806634
1906733
2006832
2106931
2207129
2307228
2407426
2507525
2607624
2717623
2817722
2917821
3017920

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over September. Sunrise moves from 5:51 AM to 5:58 AM, and sunset from 6:16 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:16
212.45:516:15
312.45:526:14
412.45:526:13
512.35:526:12
612.35:526:11
712.35:526:10
812.35:536:09
912.35:536:08
1012.25:536:07
1112.25:536:06
1212.25:546:05
1312.25:546:04
1412.25:546:04
1512.15:546:03
1612.15:556:02
1712.15:556:01
1812.15:556:00
1912.15:555:59
2012.05:565:58
2112.05:565:57
2212.05:565:56
2312.05:565:55
2412.05:565:54
2511.95:575:53
2611.95:575:52
2711.95:575:51
2811.95:585:50
2911.95:585:49
3011.85:585:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.12 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 6.95 kWh/m² in April across the year — September's 4.12 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Kalaw

In seasonPeak

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

Kalaw's monsoon runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Kalaw?

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

3.5
Sightseeing
9th-best month of the year
3.5
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Kalaw.

What to pack for Kalaw in September

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

In September, Kalaw sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 29 days see rain.

rain gearlight clothes

UV index in Kalaw 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 Kalaw peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highAug 11UV 13Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar10Very high
Apr9Very high
May13Extreme
Jun9Very high
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Kalaw 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 Kalaw is worst in March — around 76 µg/m³ PM2.5 (unhealthy), about 7.7× the cleanest month (July, 10 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateGoodModerateMar 1772 µg/m³Jul 1910 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb46Poor
Mar76Unhealthy
Apr47Poor
May23Moderate
Jun12Moderate
Jul10Good
Aug11Good
Sep12Moderate
Oct14Moderate
Nov17Moderate
Dec22Moderate
Location & terrain

Where is Kalaw?

Kalaw sits at 20.6°N, 96.6°E, 1,323 m above sea level, in Myanmar. The nearest listed city is Aungban, 8.0 km away.

Topography around Kalaw

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

Within 3 km, the terrain around Kalaw has significant variations in elevation — a maximum elevation change of 480 m around an average of 1,365 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,480 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,319 m.

The land around Kalaw is covered by grassland (46%) and trees (41%) within 3 km, trees (38%), grassland (35%) and cropland (26%) within 16 km, and cropland (40%), trees (32%) and grassland (26%) within 80 km.

3 km
480 m
16 km
1,480 m
80 km
2,319 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Aungban 8.0 km · Heho 29 km · Nyaung Shwe 39 km · Yamethin 50 km · Taunggyi 52 km · Pyawbwe 54 km · Lawksawk 75 km · Wundwin 76 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 Kalaw (20.6346°, 96.5645°, elevation 1,323 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. 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).