Nangen weather in September

In September, Nangen sees average daytime highs of 25°C and overnight lows near 16°C, with 140 mm of rain across 10.2 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 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 28% 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 Nangen's 9th-clearest and 11th-windiest month. For the whole year in context, see Nangen's year-round climate.

Daytime high
25°
4th warmest
Overnight low
16°
9th coldest
Rainfall
140 mm
10.2 wet days
Daylight
12 h 12 min
6:18 AM – 6:31 PM
Cloud cover
61%
9th clearest
Wind
7 km/h
11th windiest
Solar energy
4.14 kWh/m²
Travel score
6.7
out of 10

Nangen is city in North Jeolla Province, South Korea.

Density
108/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

Highs ease over the month, from about 26°C in the first days to 23°C by the end.

A typical September day in Nangen reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12719
22719
32618
42618
52618
62618
72618
82617
92617
102517
112517
122517
132516
142516
152516
162516
172416
182415
192415
202415
212415
222414
232414
242314
252314
262313
272313
282313
292313
302212

How September really feels in Nangen

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.

Nangen 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 / -6°315.44.29.90.0
Feb / -4°395.62.610.70.5
Mar11° / 678.12.111.73.0
Apr17° / 928.60.212.95.8
May22° / 11°1028.7013.86.9
Jun26° / 17°16111.2014.36.3
Jul28° / 21°25717.1014.14.9
Aug28° / 21°22316.6013.34.9
Sep25° / 16°14010.2012.26.7
Oct19° / 605.4011.17.0
Nov12° / 466.60.410.13.7
Dec / -3°315.32.49.70.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33961
43961
54060
63961
74060
84159
94258
104357
114258
124357
134456
144456
154456
164456
174555
184753
194753
204852
214852
224852
234852
244852
254852
265050
275050
285050
295149
305248

Chance of precipitation in September

Any precipitation

Nangen gets around 140 mm of rain over 10.2 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 34% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
147
246
346
445
544
643
743
842
941
1040
1139
1238
1337
1436
1535
1634
1732
1831
1930
2029
2128
2227
2326
2426
2525
2625
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 22% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1215313219
2316333118
3317342916
4418352815
5520362713
6621362512
7722372411
8823372310
992437228
10112436217
11132536206
12152634196
13172733185
14202832174
15222830163
16252928153
17272927142
18303025132
19323023122
20353022111
21383120101
2240301991
2343301891
2445301781
2548291671
2650281561
2753281450
2855261450
2958251340
3059241340

Wind in September

Winds average 7 km/h in September.

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 6:07 AM to 6:29 AM, and sunset from 6:54 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:076:54
212.76:076:52
312.76:086:51
412.76:096:49
512.66:106:48
612.66:116:46
712.66:116:45
812.56:126:43
912.56:136:42
1012.46:146:40
1112.46:146:39
1212.46:156:37
1312.36:166:36
1412.36:176:34
1512.36:176:33
1612.26:186:31
1712.26:196:30
1812.16:206:28
1912.16:216:27
2012.16:216:25
2112.06:226:24
2212.06:236:22
2312.06:246:21
2411.96:246:19
2511.96:256:18
2611.86:266:16
2711.86:276:15
2811.86:286:13
2911.76:286:12
3011.76:296:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.14 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.8 kWh/m² in May across the year — September's 4.14 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.0Bright
304.0Bright
Planning a trip in September

Hazard calendar for Nangen

In seasonPeak

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

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

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

Is September a good time to visit Nangen?

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
5.8
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Nangen for sightseeing.

What to pack for Nangen in September

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

In September, Nangen sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Nangen 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 Nangen peaks around September 9 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateSep 9UV 8Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Nangen 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 Nangen is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (July, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1856 µg/m³Jul 2229 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb47Poor
Mar57Unhealthy
Apr49Poor
May42Poor
Jun38Poor
Jul28Moderate
Aug30Moderate
Sep37Poor
Oct40Poor
Nov44Poor
Dec39Poor
Location & terrain

Where is Nangen?

Nangen sits at 35.4°N, 127.4°E, 103 m above sea level, in South Korea. The nearest listed city is Kurye, 23 km away.

DamyangJinan-gunJeongeupHadongJeonju

Topography around Nangen

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

Within 3 km, the terrain around Nangen has significant variations in elevation — a maximum elevation change of 279 m around an average of 135 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,376 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,875 m.

The land around Nangen is covered by trees (41%), artificial surfaces (29%) and cropland (20%) within 3 km, trees (65%) and cropland (24%) within 16 km, and trees (70%) within 80 km.

3 km
279 m
16 km
1,376 m
80 km
1,875 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kurye 23 km · Imsil 25 km · Changsu 29 km · Damyang 38 km · Jinan-gun 43 km · Jeongeup 47 km · Hadong 50 km · Jeonju 51 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 Nangen (35.41°, 127.3858°, elevation 103 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. 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).