Sunch’ŏn in Fall

In fall (September, October and November), Sunch’ŏn sees average daytime highs around 17°C and overnight lows near 7°C, with 227 mm of precipitation over about 23 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 26°C in early September to 4°C by late November. The sky is clear or mostly clear about 46% of the time across fall, and the air most often feels dry.

Fall is Sunch’ŏn's 2nd-best season to visit on our travel score. For the whole year in context, see Sunch’ŏn's year-round climate.

Avg daytime high
17°C
2nd-warmest season
Avg overnight low
7°C
Precipitation
227 mm
23 wet days
Avg wind
8 km/h
Travel score
5.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Sunch’ŏn in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 26°C in early September to 4°C by late November.

A typical fall day in Sunch’ŏn reaches about 17°C and drops to 7°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Sunch’ŏn

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 26 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
26
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Sunch’ŏn weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -12°153.13.49.50.0
Feb / -8°244.23.310.50.0
Mar / -2°325.82.111.71.8
Apr16° / 637.60.5135.3
May22° / 11°1089.1014.16.9
Jun26° / 16°13111.7014.76.3
Jul28° / 21°33018.1014.55.0
Aug28° / 20°27015.7013.55.1
Sep24° / 15°1107.9012.37.1
Oct18° / 577.30116.2
Nov / -1°608.11.49.81.7
Dec / -8°295.94.39.30.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Sunch’ŏn gets around 227 mm of rain and snow over 23 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 8 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 54 min in early September to 9 h 24 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.4 kWh/m².

012345SepOctNov
Planning a trip in fall

Hazard calendar for Sunch’ŏn

In seasonPeak

In fall, Sunch’ŏn overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sunch’ŏn sits in the Pacific typhoon belt; the season peaks July–October.

Sunch’ŏn'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 fall a good time to visit Sunch’ŏn?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.0
Sightseeing
2nd-best month of the year
2.7
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Sunch’ŏn for sightseeing.

What to pack for Sunch’ŏn in Fall

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

In fall, Sunch’ŏn sees daytime highs around 17°C and nights near 7°C. Pack a warm layer. Worth having: light clothes and rain gear. About 23 days see rain.

a warm layerlight clothesrain gear

Sea temperature near Sunch’ŏn in Fall

The nearest coast averages about 18°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 48 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 Sunch’ŏn in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sunch’ŏn 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 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 19UV 8Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr5High
May7High
Jun7High
Jul6High
Aug8Very high
Sep7Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Sunch’ŏn in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Sunch’ŏn is worst in January — around 159 µg/m³ PM2.5 (very unhealthy), about 2.3× the cleanest month (July, 70 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 18156 µg/m³Jul 2271 µg/m³
PM2.5 (µg/m³)Level
Jan159Very unhealthy
Feb137Unhealthy
Mar130Unhealthy
Apr111Unhealthy
May95Unhealthy
Jun85Unhealthy
Jul70Unhealthy
Aug73Unhealthy
Sep98Unhealthy
Oct118Unhealthy
Nov126Unhealthy
Dec125Unhealthy
Location & terrain

Where is Sunch’ŏn?

Sunch’ŏn sits at 39.4°N, 125.9°E, 72 m above sea level, in North Korea. The nearest listed city is P’yŏngsŏng, 21 km away.

SinanjuKangdong-ŭpCh’ŏsal-li

Topography around Sunch’ŏn

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

Within 3 km, the terrain around Sunch’ŏn has only modest variations in elevation — a maximum elevation change of 153 m around an average of 60 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 833 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,856 m.

The land around Sunch’ŏn is covered by cropland (36%), artificial surfaces (26%) and trees (20%) within 3 km, cropland (47%) and trees (38%) within 16 km, and trees (47%) and cropland (34%) within 80 km.

3 km
153 m
16 km
833 m
80 km
1,856 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: P’yŏngsŏng 21 km · Paek'ak 28 km · Kaech’ŏn 30 km · Anju 31 km · Sunan 33 km · Sinanju 33 km · Kangdong-ŭp 35 km · Ch’ŏsal-li 37 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 Sunch’ŏn (39.4317°, 125.9328°, elevation 72 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.