Miryang weather in September

In September, Miryang sees average daytime highs of 26°C and overnight lows near 17°C, with 150 mm of rain across 8.7 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 24°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 Miryang's 9th-clearest and 8th-windiest month. For the whole year in context, see Miryang's year-round climate.

Daytime high
26°
4th warmest
Overnight low
17°
9th coldest
Rainfall
150 mm
8.7 wet days
Daylight
12 h 12 min
6:13 AM – 6:26 PM
Cloud cover
62%
9th clearest
Wind
8 km/h
8th windiest
Solar energy
4.01 kWh/m²
Travel score
6.8
out of 10

Miryang is city in South Gyeongsang Province, South Korea.

Density
66/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 28°C in the first days to 24°C by the end.

A typical September day in Miryang 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
32820
42819
52819
62719
72719
82719
92718
102718
112718
122718
132618
142617
152617
162617
172617
182617
192516
202516
212516
222516
232515
242515
252515
262415
272414
282414
292414
302414

How September really feels in Miryang

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.

Miryang 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°243.60.89.90.5
Feb / -2°334.20.910.71.8
Mar14° / 687.10.811.74.2
Apr19° / 917.60.112.96.6
May24° / 13°997.6013.87.2
Jun27° / 17°1439.1014.46.3
Jul29° / 22°22414.6014.24.7
Aug30° / 22°20513.9013.34.6
Sep26° / 17°1508.7012.26.8
Oct21° / 10°614.7011.17.5
Nov14° / 414.80.110.15.0
Dec / -2°243.30.59.61.6

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 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33862
43961
53862
63862
73961
83961
94159
104159
114258
124258
134357
144357
154456
164555
174654
184753
194753
204852
214852
224951
234951
244951
255050
265050
275050
285050
295149
305248

Chance of precipitation in September

Any precipitation

Miryang gets around 150 mm of rain over 8.7 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
2920
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 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11102832273
21112931252
32123130232
42123230222
53133329201
63143528191
74153527171
85163627161
96173626150
107183725130
119193624120
1211203622110
1312213521100
1414223420100
151623331990
161824321880
172025311670
182226301570
192427291460
202628281350
212828271250
223029261140
233230251040
24343024930
25363023830
26383022730
27403021720
28432920620
29452919620
30482818510

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:01 AM to 6:24 AM, and sunset from 6:48 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:016:48
212.76:026:47
312.76:036:45
412.76:036:44
512.66:046:42
612.66:056:41
712.66:066:40
812.56:076:38
912.56:076:37
1012.46:086:35
1112.46:096:34
1212.46:106:32
1312.36:106:30
1412.36:116:29
1512.36:126:27
1612.26:136:26
1712.26:136:24
1812.16:146:23
1912.16:156:21
2012.16:166:20
2112.06:176:18
2212.06:176:17
2312.06:186:15
2411.96:196:14
2511.96:206:12
2611.86:216:11
2711.86:216:09
2811.86:226:08
2911.76:236:06
3011.76:246:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.01 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 5.8 kWh/m² in May across the year — September's 4.01 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
283.9Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Miryang

In seasonPeak

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

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

Miryang'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 Miryang?

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

6.8
Sightseeing
3rd-best month of the year
6.4
Beach & pool
2nd-best month of the year

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

What to pack for Miryang in September

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

In September, Miryang 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 Miryang 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 53 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 17 to Nov 7 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Miryang 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 Miryang 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
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Miryang 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 Miryang is worst in March — around 68 µg/m³ PM2.5 (unhealthy), about 1.6× the cleanest month (August, 42 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 2168 µg/m³Aug 1942 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb58Unhealthy
Mar68Unhealthy
Apr66Unhealthy
May65Unhealthy
Jun55Poor
Jul46Poor
Aug42Poor
Sep44Poor
Oct50Poor
Nov58Unhealthy
Dec48Poor
Location & terrain

Where is Miryang?

Miryang sits at 35.5°N, 128.7°E, 14 m above sea level, in South Korea. The nearest listed city is Changnyeong, 24 km away.

NaesŏGyeongsan-siUngsangHwawŏn

Topography around Miryang

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

Within 3 km, the terrain around Miryang has significant variations in elevation — a maximum elevation change of 374 m around an average of 46 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 921 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,399 m.

The land around Miryang is covered by trees (36%), artificial surfaces (27%) and cropland (20%) within 3 km, trees (69%) within 16 km, and trees (59%) and water (22%) within 80 km.

3 km
374 m
16 km
921 m
80 km
1,399 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Changnyeong 24 km · Changwon 30 km · Yangsan 31 km · Kimhae 31 km · Naesŏ 34 km · Gyeongsan-si 37 km · Ungsang 39 km · Hwawŏn 41 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 Miryang (35.4933°, 128.7489°, elevation 14 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).