Kholmsk weather in September

In September, Kholmsk sees average daytime highs of 16°C and overnight lows near 13°C, with 106 mm of rain across 11.6 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 14°C by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Kholmsk's 2nd-clearest and 8th-windiest month. For the whole year in context, see Kholmsk's year-round climate.

Daytime high
16°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
106 mm
11.6 wet days
Daylight
12 h 18 min
6:16 AM – 6:36 PM
Cloud cover
56%
2nd clearest
Wind
17 km/h
8th windiest
Solar energy
3.65 kWh/m²
Travel score
5.0
out of 10

Kholmsk is human settlement in Sakhalin Oblast, Russia.

Density
1,021/km²
people per km²
Founded
1870

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 18°C in the first days to 14°C by the end.

A typical September day in Kholmsk reaches about 16°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, September runs about 2°C cooler than August and about 6°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11815
21815
31815
41815
51815
61815
71815
81815
91715
101714
111714
121714
131714
141714
151614
161613
171613
181613
191613
201613
211512
221512
231512
241512
251512
261512
271411
281411
291411
301411

How September really feels in Kholmsk

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.

Kholmsk weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -10°4810.516.28.70.0
Feb-6° / -10°347.811.8100.0
Mar-2° / -5°529.61111.60.0
Apr / -0°569.35.813.30.0
May / 6810114.81.2
Jun12° / 659.5015.63.1
Jul16° / 14°9510015.35.0
Aug19° / 16°10911.50145.7
Sep16° / 13°10611.6012.45.0
Oct10° / 10013.50.810.62.3
Nov / -1°9215.812.69.10.1
Dec-3° / -7°7615.519.38.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54555
64654
74654
84654
94753
104852
114951
124951
135149
145149
155248
165446
175446
185446
195446
205446
215446
225446
235446
245446
255545
265545
275545
285545
295545
305644

Chance of precipitation in September

Any precipitation

Kholmsk gets around 106 mm of rain over 11.6 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
636
736
836
937
1037
1138
1239
1339
1439
1539
1639
1739
1839
1940
2040
2140
2241
2341
2441
2541
2641
2741
2841
2941
3041

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12840275
23040265
33139254
43339244
53638233
63837223
74036213
84335202
94535182
104834172
115133151
125431141
135730121
145929111
15622891
16662680
17692560
18712450
19742240
20762130
21781930
22801820
23821620
24851410
25861310
26881110
27901000
2891900
2992800
3093700

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:56 AM to 6:35 AM, and sunset from 7:07 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:567:07
213.15:577:05
313.15:597:03
413.06:007:01
513.06:016:59
612.96:036:57
712.86:046:55
812.86:056:53
912.76:076:51
1012.76:086:49
1112.66:096:47
1212.66:116:44
1312.56:126:42
1412.46:136:40
1512.46:156:38
1612.36:166:36
1712.36:186:34
1812.26:196:32
1912.26:206:30
2012.16:226:28
2112.06:236:26
2212.06:246:23
2311.96:266:21
2411.96:276:19
2511.86:286:17
2611.86:306:15
2711.76:316:13
2811.66:336:11
2911.66:346:09
3011.56:356:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.65 kWh/m².

For context, solar energy here swings from a low near 1.11 kWh/m² to a high of 5.34 kWh/m² in May across the year — September's 3.65 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.2Moderate
293.2Moderate
303.2Moderate
Planning a trip in September

Is September a good time to visit Kholmsk?

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

5.0
Sightseeing
2nd-best month of the year
0.9
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Kholmsk for sightseeing.

What to pack for Kholmsk in September

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

In September, Kholmsk sees daytime highs around 16°C and nights near 13°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Kholmsk in September

The nearest coast averages about 17°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 18°C and coldest in February near 2°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan2Bracing
Feb2Bracing
Mar3Bracing
Apr4Bracing
May6Bracing
Jun10Bracing
Jul15Bracing
Aug18Cool
Sep17Cool
Oct12Bracing
Nov7Bracing
Dec4Bracing

UV index in Kholmsk in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kholmsk peaks around August 13 at about 7 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May6High
Jun7High
Jul6High
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Kholmsk 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 Kholmsk is worst in April — around 15 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1215 µg/m³Dec 225 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb9Good
Mar15Moderate
Apr15Moderate
May12Moderate
Jun7Good
Jul8Good
Aug7Good
Sep6Good
Oct8Good
Nov8Good
Dec5Good
Location & terrain

Where is Kholmsk?

Kholmsk sits at 47.0°N, 142.0°E, 9 m above sea level, in Russia. The nearest listed city is Nevel’sk, 43 km away.

Topography around Kholmsk

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

Within 3 km, the terrain around Kholmsk has significant variations in elevation — a maximum elevation change of 342 m around an average of 81 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 567 m; within 80 km, large variations in elevation — a maximum elevation change of 1,026 m.

The land around Kholmsk is covered by trees (45%) and water (36%) within 3 km, trees (50%) and water (46%) within 16 km, and trees (59%) and water (36%) within 80 km.

3 km
342 m
16 km
567 m
80 km
1,026 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Nevel’sk 43 km · Yuzhno-Sakhalinsk 53 km · Korsakov 72 km · Wakkanai 184 km · Makubetsu 187 km · Sovetskaya Gavan’ 251 km · Poronaysk 254 km · Vanino 264 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Kholmsk (47.0461°, 142.0494°, elevation 9 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. 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).