Khanu Woralaksaburi weather in September

In September, Khanu Woralaksaburi sees average daytime highs of 33°C and overnight lows near 26°C, with 282 mm of rain across 26.6 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 4% 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 Khanu Woralaksaburi's 9th-clearest and 12th-windiest month. For the whole year in context, see Khanu Woralaksaburi's year-round climate.

Daytime high
33°
8th warmest
Overnight low
26°
7th coldest
Rainfall
282 mm
26.6 wet days
Daylight
12 h 06 min
6:12 AM – 6:18 PM
Cloud cover
84%
9th clearest
Wind
4 km/h
12th windiest
Solar energy
4.46 kWh/m²
Travel score
2.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical September day in Khanu Woralaksaburi reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°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)
13326
23326
33326
43326
53326
63326
73326
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325

How September really feels in Khanu Woralaksaburi

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.

Khanu Woralaksaburi weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°12211.25.1
Feb34° / 21°141.911.53.6
Mar36° / 24°375.711.92.2
Apr38° / 26°631112.41.3
May36° / 27°17021.912.71.4
Jun35° / 27°16323.112.91.7
Jul34° / 26°16623.412.92.0
Aug33° / 26°22725.512.52.1
Sep33° / 26°28226.612.12.1
Oct32° / 24°17518.911.63.1
Nov32° / 22°31511.34.8
Dec31° / 20°111.711.15.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6694
7694
8694
9892
10892
11991
12991
131090
141189
151288
161288
171387
181585
191684
201684
211882
221981
231981
242080
252278
262278
272377
282575
292575
302773

Chance of precipitation in September

Any precipitation

Khanu Woralaksaburi gets around 282 mm of rain over 26.6 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
489
589
689
790
890
990
1090
1190
1290
1390
1490
1590
1689
1789
1889
1989
2088
2188
2288
2388
2487
2587
2687
2787
2886
2986
3085

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

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11189
21189
31090
41090
51090
6991
7991
8892
9892
10793
11793
12793
13793
14793
15694
16694
17694
18694
19694
20694
21694
22694
23694
24694
25793
26793
27892
28892
29991
301090

Wind in September

Winds average 4 km/h in September, the calmest month.

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
74calm
84calm
94calm
104calm
114calm
124calm
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 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 6:11 AM to 6:14 AM, and sunset from 6:30 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:116:30
212.36:116:29
312.36:116:28
412.36:116:27
512.36:116:27
612.26:116:26
712.26:116:25
812.26:116:24
912.26:126:23
1012.26:126:23
1112.26:126:22
1212.26:126:21
1312.16:126:20
1412.16:126:19
1512.16:126:18
1612.16:126:18
1712.16:126:17
1812.16:126:16
1912.06:126:15
2012.06:136:14
2112.06:136:13
2212.06:136:13
2312.06:136:12
2412.06:136:11
2511.96:136:10
2611.96:136:09
2711.96:136:08
2811.96:136:08
2911.96:146:07
3011.96:146:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 6.23 kWh/m² in April across the year — September's 4.46 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Khanu Woralaksaburi

In seasonPeak

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

Khanu Woralaksaburi'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 Khanu Woralaksaburi?

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

2.1
Sightseeing
7th-best month of the year
3.7
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Khanu Woralaksaburi.

What to pack for Khanu Woralaksaburi in September

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

In September, Khanu Woralaksaburi sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Khanu Woralaksaburi 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 Khanu Woralaksaburi peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 15UV 13Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar11Extreme
Apr11Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Khanu Woralaksaburi 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 Khanu Woralaksaburi is worst in March — around 59 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (June, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1657 µg/m³Jun 2118 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb47Poor
Mar59Unhealthy
Apr44Poor
May27Moderate
Jun18Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct29Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Khanu Woralaksaburi?

Khanu Woralaksaburi sits at 16.1°N, 99.9°E, 52 m above sea level, in Thailand. The nearest listed city is Lat Yao, 35 km away.

Topography around Khanu Woralaksaburi

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

Within 3 km, the terrain around Khanu Woralaksaburi has only modest variations in elevation — a maximum elevation change of 59 m around an average of 46 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,627 m.

The land around Khanu Woralaksaburi is covered by cropland (63%) and trees (21%) within 3 km, cropland (82%) within 16 km, and cropland (78%) within 80 km.

3 km
59 m
16 km
221 m
80 km
1,627 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Lat Yao 35 km · Nakhon Sawan 50 km · Bang Mun Nak 56 km · Kamphaeng Phet 59 km · Taphan Hin 62 km · Thap Than 67 km · Phichit 67 km · Bang Krathum 74 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 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 Khanu Woralaksaburi (16.0617°, 99.8606°, elevation 52 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).