Hoeryŏng weather in September

In September, Hoeryŏng sees average daytime highs of 20°C and overnight lows near 10°C, with 80 mm of rain across 8.9 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 22°C in the first days to 18°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 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Hoeryŏng's 6th-clearest and 9th-windiest month. For the whole year in context, see Hoeryŏng's year-round climate.

Daytime high
20°
4th warmest
Overnight low
10°
9th coldest
Rainfall
80 mm
8.9 wet days
Daylight
12 h 18 min
6:07 AM – 6:24 PM
Cloud cover
53%
6th clearest
Wind
8 km/h
9th windiest
Solar energy
4.23 kWh/m²
Travel score
6.5
out of 10

Hoeryŏng is city in North Pyongan province.

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 22°C in the first days to 18°C by the end.

A typical September day in Hoeryŏng reaches about 20°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12314
22313
32213
42213
52213
62212
72212
82212
92111
102111
112111
122111
132110
142110
152010
162010
17209
18209
19209
20208
21198
22198
23198
24198
25197
26187
27187
28187
29186
30186

How September really feels in Hoeryŏng

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.

Hoeryŏng 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-7° / -17°101.82.19.20.0
Feb-3° / -14°122.63.210.30.0
Mar / -7°245.64.611.60.4
Apr12° / 488.2313.13.4
May18° / 9213.50.414.45.3
Jun22° / 12°9713.40155.8
Jul24° / 16°15014.8014.86.0
Aug25° / 16°15014.6013.76.0
Sep20° / 10°808.9012.36.5
Oct13° / 416.31.210.84.3
Nov / -6°284.93.79.60.3
Dec-5° / -14°122.93.28.90.0

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 16% 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 (%)
14555
24555
34654
44654
54852
64951
75050
85050
95149
105248
115347
125446
135545
145545
155743
165842
175842
186040
196040
206040
216139
226139
236139
246238
256238
266238
276238
286238
296238
306238

Chance of precipitation in September

Any precipitation

Hoeryŏng gets around 80 mm of rain over 8.9 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 30% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
239
338
438
537
636
735
834
933
1033
1132
1232
1331
1430
1530
1629
1729
1828
1928
2027
2127
2227
2326
2426
2525
2625
2725
2824
2924
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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
130312891
233312781
336312570
439312360
542312160
645302050
748301840
850301640
954291430
1057281320
1160271120
1262261020
136724810
146923710
157122610
167420510
177719400
188017300
198116300
208315200
218513200
228712100
238910100
24909100
25918100
26927100
27946000
28946000
29955000
30964000

Wind in September

Winds average 8 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.

051015151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
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 13 hours 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 84 minutes over September. Sunrise moves from 5:50 AM to 6:22 AM, and sunset from 6:51 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:506:51
213.05:526:49
312.95:536:47
412.95:546:46
512.85:556:44
612.85:566:42
712.75:576:40
812.75:586:38
912.65:596:37
1012.66:006:35
1112.56:016:33
1212.56:026:31
1312.46:046:29
1412.46:056:28
1512.36:066:26
1612.36:076:24
1712.26:086:22
1812.26:096:20
1912.16:106:18
2012.16:116:16
2112.06:126:15
2212.06:136:13
2311.96:156:11
2411.96:166:09
2511.86:176:07
2611.86:186:05
2711.76:196:04
2811.76:206:02
2911.66:216:00
3011.66:225:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.23 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 5.44 kWh/m² in May across the year — September's 4.23 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.1Bright
264.0Bright
274.0Bright
284.0Moderate
294.0Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Hoeryŏng

In seasonPeak

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

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

Hoeryŏng's rainy season runs May–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 Hoeryŏng?

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

6.5
Sightseeing
1st-best month of the year
3.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Hoeryŏng for sightseeing.

What to pack for Hoeryŏng in September

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

In September, Hoeryŏng sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Hoeryŏng in September

The nearest coast averages about 20°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 63 km away) is warmest in August at about 22°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 31 to Sep 8 — about 1.3 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan3Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep20Cool
Oct16Cool
Nov11Bracing
Dec7Bracing

UV index in Hoeryŏng 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 Hoeryŏng peaks around August 19 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 highHighModerateLowAug 19UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May7High
Jun7High
Jul5High
Aug8Very high
Sep7High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Hoeryŏng 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 Hoeryŏng is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (August, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1746 µg/m³Aug 1417 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb37Poor
Mar47Poor
Apr36Poor
May28Moderate
Jun22Moderate
Jul19Moderate
Aug17Moderate
Sep21Moderate
Oct26Moderate
Nov29Moderate
Dec29Moderate
Location & terrain

Where is Hoeryŏng?

Hoeryŏng sits at 42.4°N, 129.7°E, 237 m above sea level, in North Korea. The nearest listed city is Puryŏng-ŭp, 42 km away.

Puryŏng-ŭpRajinŬndŏkMusan-ŭpSŏnbongAoji-riUnggiNamyang

Topography around Hoeryŏng

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

Within 3 km, the terrain around Hoeryŏng has significant variations in elevation — a maximum elevation change of 279 m around an average of 266 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,138 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,191 m.

The land around Hoeryŏng is covered by cropland (53%) within 3 km, trees (61%) and cropland (28%) within 16 km, and trees (63%) within 80 km.

3 km
279 m
16 km
1,138 m
80 km
2,191 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Puryŏng-ŭp 42 km · Rajin 49 km · Ŭndŏk 49 km · Musan-ŭp 50 km · Sŏnbong 53 km · Aoji-ri 54 km · Unggi 56 km · Namyang 57 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 Hoeryŏng (42.4411°, 129.746°, elevation 237 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).