Gaigeturi weather in September

In September, Gaigeturi sees average daytime highs of 24°C and overnight lows near 23°C, with 147 mm of rain across 10.1 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 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 40% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Gaigeturi's 2nd-clearest and 7th-windiest month. For the whole year in context, see Gaigeturi's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
147 mm
10.1 wet days
Daylight
12 h 12 min
6:23 AM – 6:35 PM
Cloud cover
53%
2nd clearest
Wind
20 km/h
7th windiest
Solar energy
4.22 kWh/m²
Travel score
6.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical September day in Gaigeturi reaches about 24°C in the afternoon and slips back to 23°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12624
22624
32624
42524
52524
62524
72524
82523
92523
102523
112523
122423
132423
142423
152423
162423
172422
182422
192422
202422
212322
222322
232322
242322
252321
262321
272321
282321
292221
302221

Gaigeturi 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 / 76122.2101.3
Feb / 689.81.410.81.6
Mar11° / 9510.40.311.72.8
Apr14° / 12°1058.8012.84.3
May17° / 15°1109013.75.7
Jun21° / 19°19010.9014.26.1
Jul25° / 24°18011.70146.4
Aug27° / 26°17212.8013.26.2
Sep24° / 23°14710.1012.26.9
Oct20° / 18°746.1011.27.1
Nov15° / 13°709.1010.34.8
Dec11° / 7411.70.99.82.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24852
34852
44951
54951
64951
75050
85050
95248
105248
115347
125347
135446
145446
155446
165545
175545
185545
195545
205644
215743
225743
235743
245743
255743
265743
275842
285743
295743
305842

Chance of precipitation in September

Any precipitation

Gaigeturi gets around 147 mm of rain over 10.1 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 34% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
239
338
437
537
637
736
836
936
1036
1136
1236
1336
1435
1535
1635
1734
1834
1933
2033
2132
2231
2331
2430
2530
2629
2729
2828
2928
3027

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1008333523
2019353421
30111363419
40112373317
50113383315
60214383313
70215393311
80317393210
9031839328
10041938317
11052138316
12062237305
13172435295
14182534284
151102633274
161112731263
172122830253
182142929242
192153028232
203163127212
213173226202
224193225192
235203324171
245213323161
256223323151
267233322131
279243322121
2810253221111
2911263221100
301327312090

Wind in September

Winds average 20 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1120light breeze
1220light breeze
1320light breeze
1420breezy
1520breezy
1620breezy
1720breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3022breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 6:13 AM to 6:33 AM, and sunset from 6:56 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:136:56
212.76:136:55
312.76:146:54
412.66:156:52
512.66:156:51
612.66:166:49
712.56:176:48
812.56:176:47
912.56:186:45
1012.46:196:44
1112.46:196:42
1212.36:206:41
1312.36:216:39
1412.36:226:38
1512.26:226:37
1612.26:236:35
1712.26:246:34
1812.16:246:32
1912.16:256:31
2012.16:266:29
2112.06:266:28
2212.06:276:27
2312.06:286:25
2411.96:296:24
2511.96:296:22
2611.86:306:21
2711.86:316:19
2811.86:316:18
2911.76:326:17
3011.76:336:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.22 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 5.72 kWh/m² in May across the year — September's 4.22 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
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Bright
304.0Bright
Planning a trip in September

Hazard calendar for Gaigeturi

In seasonPeak

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

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

Gaigeturi's rainy season runs March–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 Gaigeturi?

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

6.9
Sightseeing
2nd-best month of the year
5.8
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Gaigeturi for sightseeing.

What to pack for Gaigeturi in September

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

In September, Gaigeturi sees daytime highs around 24°C and nights near 23°C. Worth packing: light clothes, rain gear and a windbreaker. About 10 days see rain.

light clothesrain geara windbreaker

Sea temperature near Gaigeturi in September

The nearest coast averages about 25°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 August at about 27°C and coldest in March near 13°C.

It's comfortable for a long swim from Jun 18 to Nov 1 — about 4.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Gaigeturi in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gaigeturi peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 16UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gaigeturi 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 Gaigeturi is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (August, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1930 µg/m³Aug 1313 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb26Moderate
Mar30Moderate
Apr28Moderate
May22Moderate
Jun17Moderate
Jul14Moderate
Aug13Moderate
Sep15Moderate
Oct16Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Gaigeturi?

Gaigeturi sits at 33.5°N, 126.3°E, 8 m above sea level, in South Korea. The nearest listed city is Tallang-dong, 15 km away.

Haenam

Topography around Gaigeturi

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

Within 3 km, the terrain around Gaigeturi has only modest variations in elevation — a maximum elevation change of 173 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,057 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,905 m.

The land around Gaigeturi is covered by water (55%) within 3 km, water (57%) and trees (25%) within 16 km, and water (87%) within 80 km.

3 km
173 m
16 km
1,057 m
80 km
1,905 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Tallang-dong 15 km · Seodong 16 km · Ora-dong 18 km · Ara-dong 19 km · Jeju 20 km · Ido-dong 20 km · Seogwipo 33 km · Haenam 126 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 Gaigeturi (33.4644°, 126.3183°, elevation 8 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).