P’yŏngsŏng weather in September

In September, P’yŏngsŏng sees average daytime highs of 25°C and overnight lows near 16°C, with 100 mm of rain across 6.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 41% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is P’yŏngsŏng's 8th-clearest and 12th-windiest month. For the whole year in context, see P’yŏngsŏng's year-round climate.

Daytime high
25°
4th warmest
Overnight low
16°
9th coldest
Rainfall
100 mm
6.9 wet days
Daylight
12 h 18 min
6:23 AM – 6:38 PM
Cloud cover
52%
8th clearest
Wind
8 km/h
12th windiest
Solar energy
4.41 kWh/m²
Travel score
7.3
out of 10

P’yŏngsŏng is city in North Korea.

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 27°C in the first days to 23°C by the end.

A typical September day in P’yŏngsŏng reaches about 25°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12719
22719
32718
42718
52718
62718
72618
82617
92617
102617
112617
122616
132616
142516
152516
162516
172515
182515
192515
202515
212414
222414
232414
242414
252413
262313
272313
282313
292312
302212

How September really feels in P’yŏngsŏng

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.

P’yŏngsŏng weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -10°1332.89.60.0
Feb / -6°213.72.410.50.0
Mar / -1°2951.411.72.2
Apr17° / 576.70.2135.8
May23° / 12°1018.2014.17.1
Jun27° / 17°11710.3014.76.5
Jul28° / 21°29416.4014.54.9
Aug29° / 21°24414013.55.1
Sep25° / 16°1006.9012.37.3
Oct19° / 506.20116.6
Nov / 517.40.89.82.2
Dec / -7°255.53.39.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
25050
35050
45050
55050
65149
75149
85149
95149
105248
115347
125347
135545
145545
155644
165743
175743
185941
195941
205941
216040
226040
236040
246139
256139
266238
276238
286238
296238
306238

Chance of precipitation in September

Any precipitation

P’yŏngsŏng gets around 100 mm of rain over 6.9 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 23% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
332
431
530
629
728
826
925
1024
1123
1223
1322
1421
1521
1620
1720
1819
1919
2019
2119
2219
2319
2419
2520
2620
2720
2820
2920
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry 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 (%)Miserable (%)
13122737191
24132836181
35143034161
46153133151
57163132131
68183230120
79193229100
81120332890
91221332680
101422322560
111623322350
121825312250
132026302040
142227291830
152428281730
162629271520
172830261320
183131251220
193332241010
20353223910
21373322810
22393321610
23413419500
24433418400
25463417300
26483415300
27513314200
28533313100
29553212100
30593010100

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 6:09 AM to 6:37 AM, and sunset from 7:03 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:097:03
212.96:107:02
312.86:117:00
412.86:126:58
512.76:136:57
612.76:146:55
712.66:156:53
812.66:166:52
912.66:176:50
1012.56:186:48
1112.56:196:47
1212.46:206:45
1312.46:206:43
1412.36:216:42
1512.36:226:40
1612.36:236:38
1712.26:246:37
1812.26:256:35
1912.16:266:33
2012.16:276:32
2112.06:286:30
2212.06:296:28
2311.96:306:27
2411.96:316:25
2511.96:326:23
2611.86:336:22
2711.86:346:20
2811.76:356:18
2911.76:366:17
3011.66:376:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.41 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 5.77 kWh/m² in May across the year — September's 4.41 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in September

Hazard calendar for P’yŏngsŏng

In seasonPeak

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

P’yŏngsŏng sits in the Pacific typhoon belt; the season peaks July–October.

P’yŏngsŏng's rainy season runs July–August, 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 P’yŏngsŏng?

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

7.3
Sightseeing
1st-best month of the year
6.5
Beach & pool
1st-best month of the year

September is one of the better times to visit P’yŏngsŏng for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for P’yŏngsŏng in September

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

In September, P’yŏngsŏng sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near P’yŏngsŏng 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 45 km away) is warmest in August at about 25°C and coldest in February near -0°C.

It's comfortable for a long swim from Jul 3 to Oct 2 — about 3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan2Bracing
Feb0Bracing
Mar2Bracing
Apr7Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct18Cool
Nov12Bracing
Dec6Bracing

UV index in P’yŏngsŏng in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in P’yŏngsŏng peaks around August 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 18UV 8Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr5High
May7High
Jun6High
Jul7High
Aug8Very high
Sep7Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in P’yŏngsŏng 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 P’yŏngsŏng is worst in January — around 201 µg/m³ PM2.5 (very unhealthy), about 2.0× the cleanest month (July, 102 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyVery unhealthyJan 15198 µg/m³Jul 21103 µg/m³
PM2.5 (µg/m³)Level
Jan201Very unhealthy
Feb171Very unhealthy
Mar180Very unhealthy
Apr150Unhealthy
May132Unhealthy
Jun124Unhealthy
Jul102Unhealthy
Aug107Unhealthy
Sep152Very unhealthy
Oct182Very unhealthy
Nov195Very unhealthy
Dec181Very unhealthy
Location & terrain

Where is P’yŏngsŏng?

P’yŏngsŏng sits at 39.2°N, 125.9°E, 53 m above sea level, in North Korea. The nearest listed city is Sunan, 16 km away.

Paek'akMan’gyŏngdae-riCh’ŏsal-li

Topography around P’yŏngsŏng

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

Within 3 km, the terrain around P’yŏngsŏng has only modest variations in elevation — a maximum elevation change of 232 m around an average of 99 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 538 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,474 m.

The land around P’yŏngsŏng is covered by trees (43%) and artificial surfaces (31%) within 3 km, trees (46%) and cropland (41%) within 16 km, and trees (41%) and cropland (37%) within 80 km.

3 km
232 m
16 km
538 m
80 km
1,474 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Sunan 16 km · Sunch’ŏn 21 km · Kangdong-ŭp 23 km · Pyongyang 26 km · Sŭngho 1-tong 30 km · Paek'ak 33 km · Man’gyŏngdae-ri 34 km · Ch’ŏsal-li 36 km

North Korea travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Safe drinking water
67%
of population, 2023
Road deaths
24.2
per 100k/yr, 2019
Income group
Low
World Bank

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 P’yŏngsŏng (39.2464°, 125.8719°, 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).