Hua Hin weather in September

In September, Hua Hin sees average daytime highs of 30°C and overnight lows near 26°C, with 132 mm of rain across 20.1 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°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 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Hua Hin's 9th-clearest and 11th-windiest month. For the whole year in context, see Hua Hin's year-round climate.

Daytime high
30°
7th warmest
Overnight low
26°
7th coldest
Rainfall
132 mm
20.1 wet days
Daylight
12 h 06 min
6:12 AM – 6:17 PM
Cloud cover
87%
9th clearest
Wind
10 km/h
11th windiest
Solar energy
4.56 kWh/m²
Travel score
3.5
out of 10

Hua Hin is city in Prachuap Khiri Khan province, Thailand.

Density
1,463/km²
people per km²

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 30°C through the month.

A typical September day in Hua Hin reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
302926

How September really feels in Hua Hin

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
heat index over the day's high
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.

Hua Hin weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°212.711.37.1
Feb30° / 25°122.411.66.5
Mar31° / 26°546.211.95.4
Apr32° / 27°55912.34.3
May32° / 27°9417.512.63.3
Jun31° / 27°6114.412.73.5
Jul31° / 26°8617.212.73.6
Aug30° / 26°8317.612.43.6
Sep30° / 26°13220.112.13.5
Oct29° / 26°25523.611.73.7
Nov29° / 25°849.511.45.6
Dec28° / 25°183.111.37.1

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 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4892
5892
6892
7892
8892
9892
10892
11892
12892
13892
14892
15793
16793
17793
18892
19892
20892
21892
221090
231090
241090
251090
261189
271189
281189
291189
301189

Chance of precipitation in September

Any precipitation

Hua Hin gets around 132 mm of rain over 20.1 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 68% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
162
262
362
462
562
662
762
863
963
1063
1164
1264
1365
1466
1567
1667
1768
1869
1970
2071
2172
2273
2373
2474
2575
2676
2777
2877
2978
3079

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
17426
27426
37426
47426
57426
67426
77525
87525
97525
107525
117525
127525
137426
147426
157327
167228
177129
187030
196931
206733
216634
226535
236337
246139
256040
265941
275743
285644
295545
305545

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 6:13 AM to 6:12 AM, and sunset from 6:27 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:136:27
212.26:136:27
312.26:136:26
412.26:136:25
512.26:136:24
612.26:136:24
712.26:136:23
812.26:136:22
912.26:136:22
1012.16:136:21
1112.16:126:20
1212.16:126:19
1312.16:126:19
1412.16:126:18
1512.16:126:17
1612.16:126:17
1712.16:126:16
1812.06:126:15
1912.06:126:14
2012.06:126:14
2112.06:126:13
2212.06:126:12
2312.06:126:11
2412.06:126:11
2512.06:126:10
2611.96:126:09
2711.96:126:09
2811.96:126:08
2911.96:126:07
3011.96:126:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.56 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.26 kWh/m² in April across the year — September's 4.56 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Hua Hin

In seasonPeak

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

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

Hua Hin's rainy season runs September–October, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Hua Hin?

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

3.5
Sightseeing
10th-best month of the year
4.8
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Hua Hin.

What to pack for Hua Hin in September

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

In September, Hua Hin sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Hua Hin in September

The nearest coast averages about 29°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 19 km away) is warmest in May at about 30°C and coldest in January near 27°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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Hua Hin 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 Hua Hin peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Hua Hin 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 Hua Hin is worst in February — around 34 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 2234 µg/m³Aug 2014 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar34Moderate
Apr31Moderate
May19Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep14Moderate
Oct22Moderate
Nov27Moderate
Dec29Moderate
Location & terrain

Where is Hua Hin?

Hua Hin sits at 12.6°N, 100.0°E, 10 m above sea level, in Thailand. The nearest listed city is Pran Buri, 22 km away.

Topography around Hua Hin

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

Within 3 km, the terrain around Hua Hin has only modest variations in elevation — a maximum elevation change of 246 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 444 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,313 m.

The land around Hua Hin is covered by water (46%), artificial surfaces (27%) and trees (20%) within 3 km, water (47%) and trees (23%) within 16 km, and trees (48%) and water (39%) within 80 km.

3 km
246 m
16 km
444 m
80 km
1,313 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Pran Buri 22 km · Cha-am 26 km · Sam Roi Yot 35 km · Tha Yang 43 km · Kui Buri 55 km · Phetchaburi 60 km · Khao Yoi 76 km · Prachuap Khiri Khan 85 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 Hua Hin (12.5707°, 99.9588°, elevation 10 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).