Phatthalung weather in September

In September, Phatthalung sees average daytime highs of 31°C and overnight lows near 24°C, with 177 mm of rain across 24.7 wet days and about 12 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Phatthalung's 10th-clearest and 8th-windiest month. For the whole year in context, see Phatthalung's year-round climate.

Daytime high
31°
6th warmest
Overnight low
24°
7th coldest
Rainfall
177 mm
24.7 wet days
Daylight
12 hours
6:13 AM – 6:15 PM
Cloud cover
85%
10th clearest
Wind
6 km/h
8th windiest
Solar energy
4.88 kWh/m²
Travel score
2.7
out of 10

Phatthalung is town in Phatthalung province, Thailand.

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 31°C through the month.

A typical September day in Phatthalung reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°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 on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Phatthalung

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.

Phatthalung weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°10116.511.64.5
Feb30° / 23°5210.611.74.8
Mar31° / 23°9614.111.93.9
Apr32° / 24°11718.512.23.0
May32° / 25°14323.212.32.5
Jun32° / 24°12120.512.42.8
Jul32° / 24°11821.912.42.8
Aug32° / 24°13322.612.22.8
Sep31° / 24°17724.7122.7
Oct30° / 24°28828.911.82.6
Nov29° / 24°32927.311.73.0
Dec29° / 23°25522.411.63.8

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 7% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
91090
101090
111090
121090
131090
141189
151189
161189
171189
181189
191189
201189
211090
22991
23991
24991
25991
26991
27991
28793
29793
30793

Chance of precipitation in September

Any precipitation

Phatthalung gets around 177 mm of rain over 24.7 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 82% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
181
281
381
481
581
681
781
881
981
1081
1181
1280
1380
1480
1580
1680
1780
1881
1981
2082
2182
2283
2384
2485
2585
2686
2787
2888
2989
3089

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
18713
28713
38713
48713
58713
68713
78713
88713
98713
108713
118713
128713
138713
148614
158614
168515
178515
188416
198416
208317
218218
228119
238119
248020
257921
267921
277822
287723
297723
307723

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
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 06 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 12 minutes over September. Sunrise moves from 6:15 AM to 6:11 AM, and sunset from 6:24 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:156:24
212.16:156:23
312.16:156:23
412.16:156:22
512.16:146:22
612.16:146:21
712.16:146:20
812.16:146:20
912.16:146:19
1012.16:146:19
1112.16:146:18
1212.16:136:18
1312.16:136:17
1412.16:136:16
1512.06:136:16
1612.06:136:15
1712.06:136:15
1812.06:126:14
1912.06:126:13
2012.06:126:13
2112.06:126:12
2212.06:126:12
2312.06:126:11
2412.06:126:11
2512.06:116:10
2612.06:116:09
2712.06:116:09
2812.06:116:08
2911.96:116:08
3011.96:116:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.88 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.98 kWh/m² in March across the year — September's 4.88 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Phatthalung

In seasonPeak

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

Phatthalung sits in the Pacific typhoon belt; the season peaks July–October.

Phatthalung's rainy season runs September–December, when most of the year's rain falls.

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

Is September a good time to visit Phatthalung?

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

2.7
Sightseeing
10th-best month of the year
4.0
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Phatthalung.

What to pack for Phatthalung in September

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

In September, Phatthalung sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Phatthalung in September

The nearest coast averages about 30°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 43 km away) is warmest in May at about 31°C and coldest in January near 28°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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Phatthalung in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phatthalung peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 13Dec 13UV 11
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Phatthalung 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 Phatthalung is worst in April — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1624 µg/m³Feb 1319 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar22Moderate
Apr24Moderate
May21Moderate
Jun22Moderate
Jul21Moderate
Aug18Moderate
Sep21Moderate
Oct22Moderate
Nov22Moderate
Dec20Moderate
Location & terrain

Where is Phatthalung?

Phatthalung sits at 7.6°N, 100.1°E, 14 m above sea level, in Thailand. The nearest listed city is Ranot, 32 km away.

Topography around Phatthalung

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

Within 3 km, the terrain around Phatthalung has only modest variations in elevation — a maximum elevation change of 194 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 357 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,316 m.

The land around Phatthalung is covered by trees (44%) and artificial surfaces (21%) within 3 km, trees (56%) within 16 km, and trees (63%) and water (27%) within 80 km.

3 km
194 m
16 km
357 m
80 km
1,316 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Ranot 32 km · Trang 52 km · Huai Yot 52 km · Ron Phibun 67 km · Ban Mai 69 km · Songkhla 74 km · Thung Song 75 km · Hat Yai 81 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 Phatthalung (7.6179°, 100.0779°, elevation 14 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).