Yeongam weather in September

In September, Yeongam sees average daytime highs of 26°C and overnight lows near 19°C, with 142 mm of rain across 9.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 24°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Yeongam's 7th-clearest and 12th-windiest month. For the whole year in context, see Yeongam's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
142 mm
9.5 wet days
Daylight
12 h 12 min
6:21 AM – 6:34 PM
Cloud cover
58%
7th clearest
Wind
9 km/h
12th windiest
Solar energy
4.32 kWh/m²
Travel score
6.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 24°C by the end.

A typical September day in Yeongam reaches about 26°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62820
72720
82720
92720
102720
112720
122719
132719
142719
152619
162619
172618
182618
192618
202618
212617
222517
232517
242517
252517
262516
272516
282416
292416
302415

How September really feels in Yeongam

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.

Yeongam weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°274.41.59.90.4
Feb / -1°365.1110.71.4
Mar13° / 677.50.411.73.7
Apr18° / 917.8012.86.2
May23° / 13°1027.8013.87.1
Jun26° / 18°1679.9014.36.4
Jul29° / 23°24815.2014.14.9
Aug30° / 23°21515.5013.34.5
Sep26° / 19°1429.5012.26.6
Oct21° / 12°554.6011.17.6
Nov15° / 475.7010.25.0
Dec / 273.90.79.71.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44456
54456
64456
74456
84555
94654
104654
114753
124753
134852
144951
154951
164951
175050
185050
195050
205149
215149
225149
235149
245050
255050
265149
275149
285149
295248
305347

Chance of precipitation in September

Any precipitation

Yeongam gets around 142 mm of rain over 9.5 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 32% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
242
341
441
540
639
739
838
938
1037
1136
1236
1335
1434
1533
1632
1731
1830
1929
2028
2127
2227
2326
2425
2525
2624
2723
2823
2922
3022

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11217383310
2121838329
3131939308
4142139297
5142240276
6252340265
7262340254
8282440233
9392539223
103102538212
114122637202
124142636182
135162734171
146172733161
157192731151
168212730131
178222828121
1810242827111
1911252825101
201226292481
211327292371
221428292161
231629292051
241829281951
251930281741
262231281630
272431271530
282731271420
292930251320
303230241220

Wind in September

Winds average 9 km/h in September, the calmest month.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 6:10 AM to 6:32 AM, and sunset from 6:56 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:106:56
212.76:116:54
312.76:116:53
412.76:126:52
512.66:136:50
612.66:146:49
712.56:146:47
812.56:156:46
912.56:166:44
1012.46:176:43
1112.46:176:41
1212.46:186:40
1312.36:196:38
1412.36:206:37
1512.36:206:35
1612.26:216:34
1712.26:226:32
1812.16:236:31
1912.16:236:30
2012.16:246:28
2112.06:256:27
2212.06:266:25
2312.06:266:24
2411.96:276:22
2511.96:286:21
2611.86:296:19
2711.86:296:18
2811.86:306:16
2911.76:316:15
3011.76:326:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.32 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.81 kWh/m² in May across the year — September's 4.32 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in September

Hazard calendar for Yeongam

In seasonPeak

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

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

Yeongam's rainy season runs June–September, 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 Yeongam?

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

6.6
Sightseeing
3rd-best month of the year
6.4
Beach & pool
1st-best month of the year

September is a reasonable time to visit Yeongam for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Yeongam in September

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

In September, Yeongam sees daytime highs around 26°C and nights near 19°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Yeongam in September

The nearest coast averages about 23°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 56 km away) is warmest in August at about 25°C and coldest in March near 11°C.

It's comfortable for a long swim from Jun 28 to Oct 14 — about 3.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr12Bracing
May15Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov16Cool
Dec14Bracing

UV index in Yeongam in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yeongam peaks around July 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 14UV 8Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Yeongam 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 Yeongam is worst in March — around 43 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (July, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1842 µg/m³Jul 2418 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb36Poor
Mar43Poor
Apr37Poor
May30Moderate
Jun25Moderate
Jul18Moderate
Aug18Moderate
Sep22Moderate
Oct24Moderate
Nov27Moderate
Dec26Moderate
Location & terrain

Where is Yeongam?

Yeongam sits at 34.8°N, 126.7°E, 34 m above sea level, in South Korea. The nearest listed city is Jangheung, 23 km away.

BoseongMasanHwasun

Topography around Yeongam

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

Within 3 km, the terrain around Yeongam has significant variations in elevation — a maximum elevation change of 566 m around an average of 63 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 773 m; within 80 km, large variations in elevation — a maximum elevation change of 1,173 m.

The land around Yeongam is covered by cropland (52%) and trees (34%) within 3 km, trees (54%) and cropland (36%) within 16 km, and water (42%) and trees (38%) within 80 km.

3 km
566 m
16 km
773 m
80 km
1,173 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Jangheung 23 km · Naju 25 km · Haenam 27 km · Mokpo 28 km · Muan 29 km · Boseong 35 km · Masan 38 km · Hwasun 39 km

South Korea travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 60 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$36,227
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.5
per 100k, 2023
Road deaths
8.6
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 522
Religion
none 60%Protestant 17%Buddhist 16%Catholic 6%

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 Yeongam (34.8006°, 126.6967°, elevation 34 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).