Lashio weather in September

In September, Lashio sees average daytime highs of 28°C and overnight lows near 22°C, with 282 mm of rain across 25.4 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Lashio's 9th-clearest and 12th-windiest month. For the whole year in context, see Lashio's year-round climate.

Daytime high
28°
5th warmest
Overnight low
22°
9th coldest
Rainfall
282 mm
25.4 wet days
Daylight
12 h 06 min
5:49 AM – 5:57 PM
Cloud cover
78%
9th clearest
Wind
3 km/h
12th windiest
Solar energy
4.16 kWh/m²
Travel score
3.5
out of 10

Lashio is city in Shan State, Myanma.

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 28°C through the month.

A typical September day in Lashio reaches about 28°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162922
172922
182921
192921
202921
212921
222921
232921
242821
252821
262821
272821
282821
292821
302821

How September really feels in Lashio

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.

Lashio weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 121.610.79.1
Feb27° / 10°91.311.28.3
Mar31° / 14°102.111.86.0
Apr32° / 18°307.312.54.5
May31° / 21°13918.113.13.8
Jun29° / 23°21926.213.43.1
Jul28° / 23°32828.613.33.1
Aug28° / 22°38329.712.83.1
Sep28° / 22°28225.412.13.5
Oct28° / 19°14418.111.55.2
Nov26° / 15°425.310.97.9
Dec24° / 11°101.610.69.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21585
31684
41684
51684
61783
71783
81882
91882
101882
111981
121981
131981
141981
152080
162080
172179
182179
192179
202278
212476
222476
232575
242674
252773
262773
272971
283070
293169
303169

Chance of precipitation in September

Any precipitation

Lashio gets around 282 mm of rain over 25.4 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 85% and peaks near 91% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
490
590
690
789
889
989
1089
1189
1289
1388
1488
1587
1687
1786
1885
1984
2083
2182
2282
2381
2480
2580
2679
2779
2879
2978
3078

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
10199
20298
30298
40298
50397
60397
70397
80496
90496
100595
110595
120595
130694
140694
150793
160892
170892
181990
191990
2011089
2111188
2211287
2311386
2411485
2511683
2611782
2711980
2812178
2912376
3012574

Wind in September

Winds average 3 km/h in September, the calmest month.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 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 42 minutes over September. Sunrise moves from 5:45 AM to 5:54 AM, and sunset from 6:13 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:456:13
212.45:456:12
312.45:456:11
412.45:466:10
512.45:466:09
612.45:466:08
712.35:476:07
812.35:476:06
912.35:476:05
1012.35:486:04
1112.25:486:02
1212.25:486:01
1312.25:486:00
1412.25:495:59
1512.25:495:58
1612.15:495:57
1712.15:505:56
1812.15:505:55
1912.15:505:54
2012.05:515:53
2112.05:515:52
2212.05:515:51
2312.05:525:50
2411.95:525:49
2511.95:525:48
2611.95:535:47
2711.95:535:46
2811.95:535:45
2911.85:545:44
3011.85:545:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.16 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.28 kWh/m² in April across the year — September's 4.16 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
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 Lashio

In seasonPeak

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

Lashio's monsoon runs June–September, 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 Lashio?

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
4.2
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Lashio.

What to pack for Lashio in September

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

In September, Lashio sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Lashio 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 Lashio peaks around July 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 18UV 13Dec 22UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar8Very high
Apr8Very high
May12Extreme
Jun11Extreme
Jul13Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Lashio 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 Lashio is worst in March — around 130 µg/m³ PM2.5 (unhealthy), about 15.3× the cleanest month (October, 9 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodModerateMar 22126 µg/m³Oct 119 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb30Moderate
Mar130Unhealthy
Apr113Unhealthy
May23Moderate
Jun14Moderate
Jul9Good
Aug9Good
Sep9Good
Oct9Good
Nov10Good
Dec14Moderate
Location & terrain

Where is Lashio?

Lashio sits at 22.9°N, 97.7°E, 845 m above sea level, in Myanmar. The nearest listed city is Kutkai, 61 km away.

Mu-seMogokLaukkaiPanglong

Topography around Lashio

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

Within 3 km, the terrain around Lashio has significant variations in elevation — a maximum elevation change of 324 m around an average of 867 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 920 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,269 m.

The land around Lashio is covered by artificial surfaces (43%), grassland (27%) and trees (22%) within 3 km, trees (47%) and grassland (30%) within 16 km, and trees (69%) within 80 km.

3 km
324 m
16 km
920 m
80 km
2,269 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Kutkai 61 km · Tangyan 82 km · Kyaukme 86 km · Namhkam 100 km · Mu-se 119 km · Mogok 127 km · Laukkai 134 km · Panglong 142 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 Lashio (22.9359°, 97.7498°, elevation 845 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).