Sakchu-ŭp weather in September

In September, Sakchu-ŭp sees average daytime highs of 23°C and overnight lows near 14°C, with 91 mm of rain across 7.4 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 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 43% 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 Sakchu-ŭp's 7th-clearest and 11th-windiest month. For the whole year in context, see Sakchu-ŭp's year-round climate.

Daytime high
23°
4th warmest
Overnight low
14°
9th coldest
Rainfall
91 mm
7.4 wet days
Daylight
12 h 18 min
6:26 AM – 6:42 PM
Cloud cover
51%
7th clearest
Wind
7 km/h
11th windiest
Solar energy
4.38 kWh/m²
Travel score
7.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 21°C by the end.

A typical September day in Sakchu-ŭp reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12617
22617
32517
42517
52516
62516
72516
82516
92515
102415
112415
122415
132415
142414
152414
162314
172314
182313
192313
202313
212213
222212
232212
242212
252211
262111
272111
282111
292110
302010

How September really feels in Sakchu-ŭp

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.

Sakchu-ŭp 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-4° / -14°122.72.99.40.0
Feb / -10°203.73.510.40.0
Mar / -3°305.42.911.71.0
Apr15° / 587.51134.7
May21° / 11°969.4014.26.6
Jun25° / 16°12412.3014.86.4
Jul27° / 20°22716.5014.65.3
Aug27° / 20°22615.2013.65.5
Sep23° / 14°917.4012.37.2
Oct16° / 617.70.110.95.4
Nov / -2°507.62.79.80.9
Dec-2° / -11°214.53.69.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
25050
35149
45149
55248
65347
75347
85446
95446
105545
115644
125743
135743
145842
155842
165941
176040
186139
196139
206139
216238
226238
236238
246436
256436
266436
276436
286436
296436
306535

Chance of precipitation in September

Any precipitation

Sakchu-ŭp gets around 91 mm of rain over 7.4 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 26% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
433
532
631
730
829
928
1027
1127
1226
1325
1425
1524
1623
1723
1822
1922
2022
2122
2221
2321
2422
2522
2622
2722
2822
2923
3023

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1111935286
2122135266
3142235245
4152336215
5172435194
6192535173
7212635163
8232734142
9252734122
10272833111
11302831101
1233283081
1336282881
1439282670
1542282460
1645282250
1747282050
1850281840
1952281640
2055271530
2158271320
2260271120
2363261010
246625810
256725710
266924610
277322500
287521400
297720300
307918300

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 8 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
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 6:11 AM to 6:40 AM, and sunset from 7:08 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:117:08
212.96:127:06
312.86:137:04
412.86:147:03
512.86:157:01
612.76:166:59
712.76:176:58
812.66:186:56
912.66:196:54
1012.56:206:52
1112.56:216:51
1212.46:226:49
1312.46:236:47
1412.46:246:46
1512.36:256:44
1612.36:266:42
1712.26:276:40
1812.26:286:39
1912.16:296:37
2012.16:306:35
2112.06:316:33
2212.06:326:32
2311.96:336:30
2411.96:346:28
2511.96:356:26
2611.86:366:25
2711.86:376:23
2811.76:386:21
2911.76:396:20
3011.66:406:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.38 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 5.64 kWh/m² in May across the year — September's 4.38 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.0Bright
Planning a trip in September

Hazard calendar for Sakchu-ŭp

In seasonPeak

None of Sakchu-ŭp's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Sakchu-ŭp's rainy season runs June–August, 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 Sakchu-ŭp?

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

7.2
Sightseeing
1st-best month of the year
5.6
Beach & pool
3rd-best month of the year

September is one of the better times to visit Sakchu-ŭp for general sightseeing.

What to pack for Sakchu-ŭp in September

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

In September, Sakchu-ŭp sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Sakchu-ŭp 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 Sakchu-ŭp peaks around August 20 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowAug 20UV 7Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May6High
Jun6High
Jul6High
Aug7Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Sakchu-ŭp 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 Sakchu-ŭp is worst in March — around 48 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (August, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1348 µg/m³Aug 1923 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb46Poor
Mar48Poor
Apr41Poor
May34Moderate
Jun31Moderate
Jul26Moderate
Aug23Moderate
Sep24Moderate
Oct31Moderate
Nov36Poor
Dec39Poor
Location & terrain

Where is Sakchu-ŭp?

Sakchu-ŭp sits at 40.4°N, 125.0°E, 138 m above sea level, in North Korea. The nearest listed city is Uiju, 49 km away.

UijuKusŏng-siSinŭijuSongwŏnChŏngjuKop’ungSinanjuAnju

Topography around Sakchu-ŭp

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

Within 3 km, the terrain around Sakchu-ŭp has significant variations in elevation — a maximum elevation change of 351 m around an average of 204 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,017 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,688 m.

The land around Sakchu-ŭp is covered by trees (40%) and cropland (39%) within 3 km, trees (75%) within 16 km, and trees (71%) and cropland (20%) within 80 km.

3 km
351 m
16 km
1,017 m
80 km
1,688 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Uiju 49 km · Kusŏng-si 49 km · Sinŭiju 64 km · Songwŏn 70 km · Chŏngju 79 km · Kop’ung 80 km · Sinanju 100 km · Anju 101 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 Sakchu-ŭp (40.3894°, 125.0467°, elevation 138 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).