Pyin Oo Lwin weather in September

In September, Pyin Oo Lwin sees average daytime highs of 29°C and overnight lows near 22°C, with 260 mm of rain across 27.3 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 29°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 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 Pyin Oo Lwin's 9th-clearest and 10th-windiest month. For the whole year in context, see Pyin Oo Lwin's year-round climate.

Daytime high
29°
6th warmest
Overnight low
22°
8th coldest
Rainfall
260 mm
27.3 wet days
Daylight
12 h 06 min
5:55 AM – 6:02 PM
Cloud cover
86%
9th clearest
Wind
4 km/h
10th windiest
Solar energy
4.1 kWh/m²
Travel score
3.2
out of 10
Air quality
Very high
PM10 140 µg/m³ · 2012

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 29°C through the month.

A typical September day in Pyin Oo Lwin reaches about 29°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 30°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)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302921

How September really feels in Pyin Oo Lwin

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.

Pyin Oo Lwin 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
Jan25° / 11°121.610.89.0
Feb28° / 13°81.211.27.8
Mar32° / 18°14211.85.5
Apr33° / 21°345.412.54.1
May31° / 22°16118.8133.5
Jun29° / 23°19026.513.33.1
Jul29° / 23°20827.613.23.1
Aug28° / 22°27829.612.83.1
Sep29° / 22°26027.312.13.2
Oct28° / 20°18223.311.54.3
Nov27° / 17°587.710.97.3
Dec25° / 13°17210.78.8

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 9% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2793
3793
4793
5892
6892
7892
8991
9991
10991
11991
12991
13991
14991
151090
161090
171090
181090
191090
201189
211189
221189
231189
241486
251486
261585
271585
281684
291783
301882

Chance of precipitation in September

Any precipitation

Pyin Oo Lwin gets around 260 mm of rain over 27.3 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 91% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
593
693
793
893
993
1093
1193
1293
1393
1493
1593
1692
1792
1891
1991
2091
2190
2290
2389
2489
2589
2688
2788
2888
2988
3088

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1892
2892
3892
4892
5793
6793
7793
8793
9793
10793
11793
12793
13793
14793
15694
16694
17793
18793
19793
20793
21892
22892
23892
24991
251090
261189
271189
281288
291387
301585

Wind in September

Winds average 4 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
134calm
144calm
154calm
164calm
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 5:59 AM, and sunset from 6:17 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:17
212.45:516:16
312.45:516:15
412.45:516:14
512.45:526:13
612.35:526:12
712.35:526:11
812.35:536:10
912.35:536:09
1012.35:536:08
1112.25:536:07
1212.25:546:06
1312.25:546:05
1412.25:546:04
1512.15:546:03
1612.15:556:02
1712.15:556:01
1812.15:556:00
1912.15:565:59
2012.05:565:58
2112.05:565:57
2212.05:565:56
2312.05:575:55
2412.05:575:54
2511.95:575:53
2611.95:585:52
2711.95:585:51
2811.95:585:50
2911.85:595:49
3011.85:595:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.1 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.65 kWh/m² in April across the year — September's 4.1 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Pyin Oo Lwin

In seasonPeak

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

Pyin Oo Lwin'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 Pyin Oo Lwin?

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

3.2
Sightseeing
9th-best month of the year
3.9
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Pyin Oo Lwin.

What to pack for Pyin Oo Lwin in September

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

In September, Pyin Oo Lwin sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Pyin Oo Lwin 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 Pyin Oo Lwin peaks around July 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeExtremeVery highHighJul 21UV 12Dec 21UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar9Very high
Apr9Very high
May12Extreme
Jun9Very high
Jul13Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Pyin Oo Lwin 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 Pyin Oo Lwin is worst in March — around 102 µg/m³ PM2.5 (unhealthy), about 9.6× the cleanest month (July, 11 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateMar 1696 µg/m³Jul 1911 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb55Poor
Mar102Unhealthy
Apr46Poor
May24Moderate
Jun14Moderate
Jul11Good
Aug12Moderate
Sep13Moderate
Oct14Moderate
Nov17Moderate
Dec21Moderate
Location & terrain

Where is Pyin Oo Lwin?

Pyin Oo Lwin sits at 22.0°N, 96.5°E, 1,088 m above sea level, in Myanmar. The nearest listed city is Mandalay, 39 km away.

Topography around Pyin Oo Lwin

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

Within 3 km, the terrain around Pyin Oo Lwin has only modest variations in elevation — a maximum elevation change of 166 m around an average of 1,076 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,232 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Pyin Oo Lwin is covered by trees (43%) and artificial surfaces (25%) within 3 km, trees (53%) and grassland (25%) within 16 km, and trees (51%) and cropland (33%) within 80 km.

3 km
166 m
16 km
1,232 m
80 km
1,806 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Mandalay 39 km · Madaya 41 km · Amarapura 44 km · Sagaing 52 km · Kyaukse 58 km · Kyaukme 82 km · Lawksawk 97 km · Shwebo 98 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 Pyin Oo Lwin (22.035°, 96.4568°, elevation 1,088 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).