Sŭngho 1-tong weather in September

In September, Sŭngho 1-tong sees average daytime highs of 25°C and overnight lows near 15°C, with 93 mm of rain across 7 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 39% 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 Sŭngho 1-tong's 8th-clearest and 12th-windiest month. For the whole year in context, see Sŭngho 1-tong's year-round climate.

Daytime high
25°
4th warmest
Overnight low
15°
9th coldest
Rainfall
93 mm
7 wet days
Daylight
12 h 18 min
6:23 AM – 6:38 PM
Cloud cover
53%
8th clearest
Wind
8 km/h
12th windiest
Solar energy
4.35 kWh/m²
Travel score
7.3
out of 10

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 Sŭngho 1-tong reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°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 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62617
72617
82617
92617
102617
112616
122616
132516
142516
152515
162515
172515
182515
192514
202414
212414
222414
232413
242413
252313
262313
272313
282312
292312
302212

How September really feels in Sŭngho 1-tong

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.

Sŭngho 1-tong 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°153.53.29.60.0
Feb / -6°214.12.810.50.0
Mar / -1°295.11.711.72.3
Apr17° / 567.10.2135.8
May23° / 11°978.5014.17.1
Jun27° / 17°11010.4014.76.4
Jul28° / 21°27716.2014.55.0
Aug29° / 21°23014.2013.55.1
Sep25° / 15°937012.37.3
Oct19° / 445.90116.7
Nov / 477.20.99.92.2
Dec / -7°255.63.49.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24852
34852
44951
54852
64951
74951
85050
95050
105050
115050
125248
135248
145248
155347
165347
175545
185545
195545
205644
215743
225743
235743
245842
255842
265842
275941
286040
296040
306040

Chance of precipitation in September

Any precipitation

Sŭngho 1-tong gets around 93 mm of rain over 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 24% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
133
232
332
431
530
629
728
827
926
1025
1125
1224
1323
1423
1522
1622
1721
1821
1921
2020
2120
2220
2320
2420
2520
2620
2719
2819
2919
3019

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13133136161
24143234151
35153332141
46163431131
57173529111
68193528100
71020352690
81121352570
91322352360
101523352250
111724342040
122025331940
132226321730
142527301620
152728291420
162929271310
173230261110
183431241010
19363223910
20383221800
21413320700
22433318500
23453416500
24483415400
25503314300
26533312200
27553211200
28583110100
2960309100
3062298100

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 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 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 6:36 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
212.96:107:01
312.86:116:59
412.86:126:58
512.76:136:56
612.76:146:55
712.66:156:53
812.66:156:51
912.66:166:50
1012.56:176:48
1112.56:186:46
1212.46:196:45
1312.46:206:43
1412.36:216:41
1512.36:226:40
1612.36:236:38
1712.26:246:36
1812.26:256:35
1912.16:266:33
2012.16:276:31
2112.06:286:30
2212.06:296:28
2311.96:296:26
2411.96:306:25
2511.96:316:23
2611.86:326:21
2711.86:336:20
2811.76:346:18
2911.76:356:16
3011.66:366:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.35 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 5.75 kWh/m² in May across the year — September's 4.35 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.2Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in September

Hazard calendar for Sŭngho 1-tong

In seasonPeak

In September, Sŭngho 1-tong sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sŭngho 1-tong sits in the Pacific typhoon belt; the season peaks July–October.

Sŭngho 1-tong'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 Sŭngho 1-tong?

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
6.4
Beach & pool
2nd-best month of the year

September is one of the better times to visit Sŭngho 1-tong for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sŭngho 1-tong in September

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

In September, Sŭngho 1-tong sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near Sŭngho 1-tong 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 67 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 Sŭngho 1-tong 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 Sŭngho 1-tong peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May7High
Jun6High
Jul7High
Aug8Very high
Sep7Very high
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Sŭngho 1-tong 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 Sŭngho 1-tong 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 Sŭngho 1-tong?

Sŭngho 1-tong sits at 39.0°N, 126.0°E, 38 m above sea level, in North Korea. The nearest listed city is Kangdong-ŭp, 20 km away.

SunanKangsŏn

Topography around Sŭngho 1-tong

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sŭngho 1-tong.

Within 3 km, the terrain around Sŭngho 1-tong has significant variations in elevation — a maximum elevation change of 262 m around an average of 48 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 523 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,464 m.

The land around Sŭngho 1-tong is covered by cropland (60%) within 3 km, cropland (47%) and trees (35%) within 16 km, and trees (41%) and cropland (40%) within 80 km.

3 km
262 m
16 km
523 m
80 km
1,464 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kangdong-ŭp 20 km · Pyongyang 20 km · Chunghwa 21 km · Hŭkkyo-ri 27 km · Man’gyŏngdae-ri 28 km · P’yŏngsŏng 30 km · Sunan 34 km · Kangsŏn 35 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 Sŭngho 1-tong (38.9914°, 125.9778°, elevation 38 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).