Changnyeong weather in September

In September, Changnyeong sees average daytime highs of 27°C and overnight lows near 17°C, with 142 mm of rain across 8.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 29% 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 Changnyeong's 9th-clearest and 10th-windiest month. For the whole year in context, see Changnyeong's year-round climate.

Daytime high
27°
4th warmest
Overnight low
17°
9th coldest
Rainfall
142 mm
8.8 wet days
Daylight
12 h 12 min
6:14 AM – 6:27 PM
Cloud cover
61%
9th clearest
Wind
7 km/h
10th windiest
Solar energy
4 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 25°C by the end.

A typical September day in Changnyeong reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12920
22920
32820
42820
52819
62819
72819
82819
92819
102718
112718
122718
132718
142718
152717
162717
172617
182617
192616
202616
212616
222616
232615
242515
252515
262515
272514
282514
292514
302414

How September really feels in Changnyeong

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.

Changnyeong weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°223.50.99.90.8
Feb / -2°304.10.810.72.2
Mar14° / 636.90.611.74.6
Apr20° / 847.20.112.96.8
May25° / 13°927.4013.87.2
Jun28° / 18°1358.4014.46.0
Jul30° / 22°20813.8014.24.4
Aug31° / 22°19114013.34.2
Sep27° / 17°1428.8012.26.6
Oct22° / 10°574.3011.17.7
Nov15° / 384.6010.15.3
Dec / -2°223.20.49.61.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23961
33961
43862
53862
63961
73961
84060
94060
104159
114258
124258
134357
144357
154456
164456
174555
184555
194654
204753
214753
224852
234852
244852
254951
264951
275050
285149
295149
305248

Chance of precipitation in September

Any precipitation

Changnyeong gets around 142 mm of rain over 8.8 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 29% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
240
339
438
538
637
736
836
935
1034
1133
1232
1331
1430
1529
1628
1727
1826
1925
2024
2124
2223
2323
2422
2522
2622
2721
2821
2921
3020

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11102632283
22112731263
32112931253
42123130232
53133229222
64133329201
74143428191
85153527181
96163526161
107173525151
119183524140
1210193523130
1312203422120
1414213320110
1516223219100
1618233218100
172024311790
182125301580
192326291470
202527281360
212728271260
222928261150
233129261040
24342925940
25362924830
26382923730
27412822730
28432821620
29462720620
30482619520

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 6:02 AM to 6:25 AM, and sunset from 6:49 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:026:49
212.86:036:48
312.76:046:46
412.76:046:45
512.66:056:44
612.66:066:42
712.66:076:41
812.56:086:39
912.56:086:38
1012.46:096:36
1112.46:106:35
1212.46:116:33
1312.36:116:32
1412.36:126:30
1512.36:136:28
1612.26:146:27
1712.26:146:25
1812.16:156:24
1912.16:166:22
2012.16:176:21
2112.06:186:19
2212.06:186:18
2312.06:196:16
2411.96:206:15
2511.96:216:13
2611.86:226:12
2711.86:226:10
2811.86:236:09
2911.76:246:07
3011.76:256:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 5.79 kWh/m² in May across the year — September's 4 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Changnyeong

In seasonPeak

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

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

Changnyeong'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 Changnyeong?

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

6.6
Sightseeing
4th-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Changnyeong in September

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

In September, Changnyeong sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Changnyeong 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 Changnyeong peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Changnyeong 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 Changnyeong is worst in March — around 51 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (August, 29 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 2051 µg/m³Aug 1029 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb43Poor
Mar51Poor
Apr49Poor
May43Poor
Jun38Poor
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct36Poor
Nov40Poor
Dec35Moderate
Location & terrain

Where is Changnyeong?

Changnyeong sits at 35.5°N, 128.5°E, 66 m above sea level, in South Korea. The nearest listed city is Miryang, 24 km away.

DaeguGyeongsan-siChangwonKimhaeHayang

Topography around Changnyeong

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

Within 3 km, the terrain around Changnyeong has large variations in elevation — a maximum elevation change of 684 m around an average of 128 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 968 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,871 m.

The land around Changnyeong is covered by trees (50%) and cropland (24%) within 3 km, trees (65%) and cropland (21%) within 16 km, and trees (69%) within 80 km.

3 km
684 m
16 km
968 m
80 km
1,871 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Miryang 24 km · Hwawŏn 29 km · Naesŏ 33 km · Daegu 38 km · Gyeongsan-si 38 km · Changwon 39 km · Kimhae 49 km · Hayang 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 Changnyeong (35.5414°, 128.4951°, elevation 66 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). 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).