Waw weather in September

In September, Waw sees average daytime highs of 32°C and overnight lows near 25°C, with 380 mm of rain across 29.1 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 Waw's 9th-clearest and 7th-windiest month. For the whole year in context, see Waw's year-round climate.

Daytime high
32°
9th warmest
Overnight low
25°
9th coldest
Rainfall
380 mm
29.1 wet days
Daylight
12 h 06 min
5:55 AM – 6:01 PM
Cloud cover
89%
9th clearest
Wind
6 km/h
7th windiest
Solar energy
3.76 kWh/m²
Travel score
2.2
out of 10

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 Waw 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 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than 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
133125
143125
153125
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225

How September really feels in Waw

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.

Waw 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°30.811.15.2
Feb34° / 19°20.311.43.8
Mar37° / 22°101.911.92.1
Apr38° / 26°465.112.41.2
May34° / 26°28822.912.81.8
Jun31° / 26°49929.7132.2
Jul31° / 25°56030.612.92.3
Aug31° / 25°56230.912.62.3
Sep32° / 25°38029.112.12.2
Oct33° / 25°16220.711.62.8
Nov33° / 23°314.611.24.3
Dec32° / 20°60.9115.3

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 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1298
2397
3397
4397
5496
6496
7496
8595
9595
10595
11595
12595
13595
14694
15793
16793
17793
18892
19892
20991
211090
221189
231288
241288
251387
261486
271684
281684
291783
301981

Chance of precipitation in September

Any precipitation

Waw gets around 380 mm of rain over 29.1 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 97% 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
699
799
899
999
1099
1199
1298
1398
1498
1598
1697
1797
1897
1996
2096
2196
2295
2395
2494
2593
2693
2792
2891
2990
3089

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
22199
23199
24199
25199
26199
27199
28199
29199
30199

Wind in September

Winds average 6 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
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
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 6:13 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:536:13
212.35:536:13
312.35:536:12
412.35:536:11
512.35:536:10
612.35:536:09
712.25:536:08
812.25:546:08
912.25:546:07
1012.25:546:06
1112.25:546:05
1212.25:546:04
1312.15:546:03
1412.15:546:02
1512.15:556:01
1612.15:556:01
1712.15:556:00
1812.15:555:59
1912.05:555:58
2012.05:555:57
2112.05:555:56
2212.05:565:55
2312.05:565:54
2412.05:565:54
2511.95:565:53
2611.95:565:52
2711.95:565:51
2811.95:565:50
2911.95:575:49
3011.95:575:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.76 kWh/m².

For context, solar energy here swings from a low near 2.93 kWh/m² to a high of 6.67 kWh/m² in April across the year — September's 3.76 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.3Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.9Moderate
203.9Moderate
214.0Moderate
224.0Moderate
234.0Bright
244.1Bright
254.1Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Waw

In seasonPeak

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

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

Waw'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 Waw?

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

2.2
Sightseeing
8th-best month of the year
3.4
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Waw.

What to pack for Waw in September

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

In September, Waw 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 Waw 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 44 km away) is warmest in April at about 30°C and coldest in January near 26°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
Jan26Warm
Feb27Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Waw in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Waw peaks around August 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 10UV 13Dec 19UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar9Very high
Apr10Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep10Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Waw 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 Waw 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 Waw?

Waw sits at 17.5°N, 96.7°E, 15 m above sea level, in Myanmar. The nearest listed city is Thanatpin, 23 km away.

Topography around Waw

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

Within 3 km, the terrain around Waw has only modest variations in elevation — a maximum elevation change of 11 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,753 m.

The land around Waw is covered by cropland (76%) within 3 km, cropland (84%) within 16 km, and trees (49%) and cropland (38%) within 80 km.

3 km
11 m
16 km
16 m
80 km
1,753 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Thanatpin 23 km · Bago 26 km · Kyauktaga 32 km · Daik-u 35 km · Kyaikto 40 km · Nyaunglebin 53 km · Shwegyin 54 km · Hlegu 64 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 Waw (17.477°, 96.6783°, elevation 15 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).