Rajin weather in September

In September, Rajin sees average daytime highs of 21°C and overnight lows near 13°C, with 87 mm of rain across 7.9 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°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 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 Rajin's 7th-clearest and 8th-windiest month. For the whole year in context, see Rajin's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
87 mm
7.9 wet days
Daylight
12 h 18 min
6:05 AM – 6:22 PM
Cloud cover
52%
7th clearest
Wind
9 km/h
8th windiest
Solar energy
4.23 kWh/m²
Travel score
6.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 19°C by the end.

A typical September day in Rajin reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12316
22316
32316
42316
52316
62315
72215
82215
92215
102215
112214
122214
132214
142114
152113
162113
172113
182113
192112
202012
212012
222012
232012
242011
252011
261911
271911
281910
291910
301910

How September really feels in Rajin

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.

Rajin weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -12°152.52.99.30.0
Feb-1° / -10°142.52.810.30.0
Mar / -4°254.83.511.60.4
Apr12° / 4471.813.13.1
May16° / 8511.80.214.45.0
Jun20° / 13°8811.10155.8
Jul23° / 18°15114014.86.0
Aug25° / 19°15014.5013.76.0
Sep21° / 13°877.9012.36.9
Oct15° / 445.90.410.85.1
Nov / -2°334.72.79.60.8
Dec-2° / -10°173.9490.0

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 14% 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
44753
54852
64951
75050
85149
95149
105248
115446
125545
135644
145644
155743
165941
175941
186040
196040
206139
216238
226238
236238
246337
256337
266337
276337
286436
296436
306436

Chance of precipitation in September

Any precipitation

Rajin gets around 87 mm of rain over 7.9 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 27% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
337
436
535
634
733
831
930
1030
1129
1228
1327
1426
1526
1625
1725
1824
1924
2023
2123
2222
2322
2422
2521
2621
2721
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 51% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152338213
2172437193
3192436183
4212535162
5242534152
6262633132
7292632121
8322631101
934263091
1037272970
1140272760
1243272550
1346262440
1449262230
1551262030
1654261820
1756261710
1859251510
1961251310
2063251200
2165251000
226724900
236924700
247123600
257322500
267521400
277720300
287819300
298117200
308216200

Wind in September

Winds average 9 km/h in September.

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
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:49 AM to 6:20 AM, and sunset from 6:49 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:496:49
213.05:506:47
312.95:516:45
412.95:526:43
512.85:536:42
612.85:546:40
712.75:556:38
812.75:566:36
912.65:576:34
1012.65:586:33
1112.55:596:31
1212.56:006:29
1312.46:026:27
1412.46:036:25
1512.36:046:23
1612.36:056:22
1712.26:066:20
1812.26:076:18
1912.16:086:16
2012.16:096:14
2112.06:106:12
2212.06:116:11
2311.96:126:09
2411.96:146:07
2511.86:156:05
2611.86:166:03
2711.76:176:02
2811.76:186:00
2911.66:195:58
3011.66:205:56

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 kWh/m² to a high of 5.32 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
174.3Bright
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 Rajin

In seasonPeak

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

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

Rajin'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 Rajin?

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

6.9
Sightseeing
1st-best month of the year
4.2
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Rajin for sightseeing.

What to pack for Rajin in September

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

In September, Rajin sees daytime highs around 21°C and nights near 13°C. Little to plan around — just the basics. About 8 days see rain.

Sea temperature near Rajin 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 16 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 Rajin in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rajin 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 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowAug 19UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7High
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Rajin 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 Rajin is worst in March — around 41 µg/m³ PM2.5 (poor), about 4.2× the cleanest month (August, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodModerateMar 1840 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb34Moderate
Mar41Poor
Apr36Poor
May21Moderate
Jun11Good
Jul10Good
Aug10Good
Sep10Good
Oct14Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Rajin?

Rajin sits at 42.3°N, 130.3°E, 16 m above sea level, in North Korea. The nearest listed city is Sŏnbong, 13 km away.

HoeryŏngPuryŏng-ŭpChongjinRanam

Topography around Rajin

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

Within 3 km, the terrain around Rajin has significant variations in elevation — a maximum elevation change of 454 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 905 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,748 m.

The land around Rajin is covered by trees (28%), cropland (26%) and artificial surfaces (23%) within 3 km, trees (51%) and water (35%) within 16 km, and trees (45%) and water (33%) within 80 km.

3 km
454 m
16 km
905 m
80 km
1,748 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Sŏnbong 13 km · Unggi 14 km · Ŭndŏk 30 km · Aoji-ri 31 km · Hoeryŏng 49 km · Puryŏng-ŭp 52 km · Chongjin 66 km · Ranam 78 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 Rajin (42.2556°, 130.2831°, elevation 16 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).