Jeongeup weather in September

In September, Jeongeup sees average daytime highs of 26°C and overnight lows near 17°C, with 147 mm of rain across 9.2 wet days and about 12.2 hours of daylight. It is the 4th-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 humid.

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 Jeongeup's 7th-clearest and 12th-windiest month. For the whole year in context, see Jeongeup's year-round climate.

Daytime high
26°
4th warmest
Overnight low
17°
9th coldest
Rainfall
147 mm
9.2 wet days
Daylight
12 h 12 min
6:20 AM – 6:33 PM
Cloud cover
59%
7th clearest
Wind
7 km/h
12th windiest
Solar energy
4.3 kWh/m²
Travel score
6.7
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 Jeongeup reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32819
42819
52819
62719
72719
82719
92718
102718
112718
122718
132717
142617
152617
162617
172616
182616
192616
202516
212515
222515
232515
242515
252514
262414
272414
282414
292413
302413

How September really feels in Jeongeup

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.

Jeongeup weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°305.949.90.0
Feb / -3°355.21.710.70.9
Mar12° / 607.6111.73.6
Apr19° / 867.9012.96.3
May24° / 12°948.5013.97.1
Jun27° / 18°15710.5014.46.2
Jul29° / 22°26616.8014.24.4
Aug30° / 22°24116.5013.34.3
Sep26° / 17°1479.2012.26.7
Oct21° / 605.5011.17.3
Nov14° / 486.80.310.14.3
Dec / -2°3162.69.60.8

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 (%)
14060
24159
34159
44357
54357
64456
74456
84456
94555
104555
114654
124753
134753
144951
155050
165050
175149
185149
195149
205248
215248
225347
235248
245347
255347
265347
275347
285347
295347
305446

Chance of precipitation in September

Any precipitation

Jeongeup gets around 147 mm of rain over 9.2 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 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
245
344
442
541
640
739
838
937
1036
1135
1234
1333
1432
1531
1630
1729
1828
1927
2026
2126
2225
2325
2425
2525
2624
2724
2824
2923
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1142438303
2152638282
3162738262
4272937242
5283037221
6293136211
73103236191
83123235171
94133234160
105153233150
116173232130
127183230120
138203129110
1410223127100
151124302690
161325292480
171527282380
181628282170
191830271960
202031261850
212232261650
222433251440
232634241330
242834231230
253035231030
26323522920
27343421820
28373420720
29403319710
30423318610

Wind in September

Winds average 7 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:08 AM to 6:31 AM, and sunset from 6:56 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:086:56
212.86:096:54
312.76:106:53
412.76:116:51
512.66:116:50
612.66:126:48
712.66:136:47
812.56:146:45
912.56:156:44
1012.56:156:42
1112.46:166:41
1212.46:176:39
1312.36:186:38
1412.36:186:36
1512.36:196:35
1612.26:206:33
1712.26:216:32
1812.16:226:30
1912.16:226:29
2012.16:236:27
2112.06:246:26
2212.06:256:24
2312.06:266:23
2411.96:266:21
2511.96:276:20
2611.86:286:18
2711.86:296:17
2811.86:306:15
2911.76:306:14
3011.76:316:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.3 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 5.86 kWh/m² in May across the year — September's 4.3 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
Planning a trip in September

Hazard calendar for Jeongeup

In seasonPeak

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

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

Jeongeup'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 Jeongeup?

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

6.7
Sightseeing
3rd-best month of the year
6.4
Beach & pool
1st-best month of the year

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

What to pack for Jeongeup in September

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

In September, Jeongeup sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Jeongeup 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 40 km away) is warmest in August at about 26°C and coldest in February near 6°C.

It's comfortable for a long swim from Jun 25 to Oct 10 — about 3.6 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr9Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec10Bracing

UV index in Jeongeup in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jeongeup peaks around September 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateSep 12UV 8Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr7High
May7Very high
Jun8Very high
Jul8Very high
Aug7Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Jeongeup 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 Jeongeup is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 28 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorModerateMar 1960 µg/m³Aug 1129 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb48Poor
Mar61Unhealthy
Apr54Poor
May45Poor
Jun39Poor
Jul29Moderate
Aug28Moderate
Sep33Moderate
Oct35Moderate
Nov38Poor
Dec34Moderate
Location & terrain

Where is Jeongeup?

Jeongeup sits at 35.6°N, 126.9°E, 53 m above sea level, in South Korea. The nearest listed city is Buan, 22 km away.

WanjuJangseong

Topography around Jeongeup

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

Within 3 km, the terrain around Jeongeup has only modest variations in elevation — a maximum elevation change of 193 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 751 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Jeongeup is covered by cropland (47%) and trees (35%) within 3 km, trees (53%) and cropland (36%) within 16 km, and trees (51%), water (22%) and cropland (21%) within 80 km.

3 km
193 m
16 km
751 m
80 km
1,879 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Buan 22 km · Kimje 23 km · Koch'ang 27 km · Damyang 32 km · Jeonju 32 km · Imsil 33 km · Wanju 34 km · Jangseong 36 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 Jeongeup (35.6°, 126.917°, elevation 53 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).