Bol'šoj Kamen' weather in September

In September, Bol'šoj Kamen' sees average daytime highs of 19°C and overnight lows near 16°C, with 89 mm of rain across 8.3 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°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 Bol'šoj Kamen''s 7th-clearest and 7th-windiest month. For the whole year in context, see Bol'šoj Kamen''s year-round climate.

Daytime high
19°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
89 mm
8.3 wet days
Daylight
12 h 18 min
6:56 AM – 7:14 PM
Cloud cover
50%
7th clearest
Wind
15 km/h
7th windiest
Solar energy
4.26 kWh/m²
Travel score
6.5
out of 10

Bol'šoj Kamen' is city in Russia.

Density
337/km²
people per km²
Founded
1947

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 21°C in the first days to 17°C by the end.

A typical September day in Bol'šoj Kamen' reaches about 19°C in the afternoon and slips back to 16°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12118
22118
32118
42118
52118
62118
72117
82117
92017
102017
112017
122017
132016
142016
152016
161916
171916
181915
191915
201915
211915
221815
231814
241814
251814
261814
271714
281713
291713
301713

How September really feels in Bol'šoj Kamen'

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.

Bol'šoj Kamen' weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -12°112.32.69.20.0
Feb-4° / -10°152.82.910.20.0
Mar / -3°285.13.811.60.0
Apr / 386.41.313.10.5
May11° / 759.60.114.42.6
Jun16° / 13°638.8015.14.7
Jul20° / 18°1259.9014.96.0
Aug22° / 20°14111.1013.86.4
Sep19° / 16°898.3012.36.5
Oct13° / 677.70.510.84.1
Nov / -1°375.92.69.50.5
Dec-4° / -9°203.73.68.90.0

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 (%)
14753
24852
34951
45050
55149
65248
75248
85446
95446
105545
115644
125743
135842
145941
156040
166139
176139
186139
196238
206238
216238
226337
236337
246337
256436
266436
276436
286535
296535
306535

Chance of precipitation in September

Any precipitation

Bol'šoj Kamen' gets around 89 mm of rain over 8.3 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 28% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
334
434
533
633
732
831
931
1030
1130
1229
1328
1427
1526
1626
1725
1825
1924
2024
2124
2224
2324
2424
2524
2625
2725
2825
2925
3025

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172041275
292240254
3102340234
4112539214
5132639193
6142838173
7162937162
8183037142
9203136122
10223135101
1125323491
1227323371
1330323161
1432333050
1535332840
1637332630
1740332520
1842332320
1944332110
2046341910
2148341710
2250341610
2352341400
2454341200
2556341000
265833900
276032800
286231700
296430600
306629500

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

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 6:39 AM to 7:12 AM, and sunset from 7:41 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:397:41
213.06:407:40
312.96:427:38
412.96:437:36
512.86:447:34
612.86:457:32
712.76:467:30
812.76:477:29
912.66:487:27
1012.66:497:25
1112.56:517:23
1212.56:527:21
1312.46:537:19
1412.46:547:17
1512.36:557:15
1612.36:567:14
1712.26:577:12
1812.26:597:10
1912.17:007:08
2012.17:017:06
2112.07:027:04
2212.07:037:02
2311.97:047:00
2411.97:056:59
2511.87:076:57
2611.87:086:55
2711.77:096:53
2811.77:106:51
2911.67:116:49
3011.67:126:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.26 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 5.43 kWh/m² in May across the year — September's 4.26 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
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
224.1Bright
234.1Bright
244.1Bright
254.0Bright
264.0Bright
274.0Moderate
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Bol'šoj Kamen'

In seasonPeak

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

Bol'šoj Kamen' sits in the Pacific typhoon belt; the season peaks July–October.

Bol'šoj Kamen''s rainy season runs July–October, 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 Bol'šoj Kamen'?

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
2.9
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Bol'šoj Kamen' for sightseeing.

What to pack for Bol'šoj Kamen' in September

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

In September, Bol'šoj Kamen' sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Bol'šoj Kamen' in September

The nearest coast averages about 19°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 18 km away) is warmest in August at about 21°C and coldest in February near -0°C.

It's comfortable for a long swim from Aug 11 to Aug 26 — about 0.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr3Bracing
May8Bracing
Jun13Bracing
Jul17Cool
Aug21Refreshing
Sep19Cool
Oct14Bracing
Nov7Bracing
Dec3Bracing

UV index in Bol'šoj Kamen' 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 Bol'šoj Kamen' peaks around August 17 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7Very high
Jun7High
Jul6High
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Bol'šoj Kamen' 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 Bol'šoj Kamen' is worst in April — around 45 µg/m³ PM2.5 (poor), about 6.2× the cleanest month (August, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodModerateApr 1443 µg/m³Aug 227 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb23Moderate
Mar30Moderate
Apr45Poor
May17Moderate
Jun8Good
Jul8Good
Aug7Good
Sep7Good
Oct11Good
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Bol'šoj Kamen'?

Bol'šoj Kamen' sits at 43.1°N, 132.4°E, 18 m above sea level, in Russia. The nearest listed city is Fokino, 16 km away.

Topography around Bol'šoj Kamen'

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bol'šoj Kamen'.

Within 3 km, the terrain around Bol'šoj Kamen' has only modest variations in elevation — a maximum elevation change of 221 m around an average of 41 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 706 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,330 m.

The land around Bol'šoj Kamen' is covered by trees (37%) and artificial surfaces (26%) within 3 km, trees (44%) and water (43%) within 16 km, and trees (58%) and water (34%) within 80 km.

3 km
221 m
16 km
706 m
80 km
1,330 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Fokino 16 km · Artëm 30 km · Trudovoye 31 km · Vladivostok 39 km · Nakhodka 55 km · Partizansk 63 km · Vrangel’ 73 km · Ussuriysk 83 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 Bol'šoj Kamen' (43.1112°, 132.3502°, elevation 18 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).