Vyazemskiy weather in September

In September, Vyazemskiy sees average daytime highs of 19°C and overnight lows near 9°C, with 90 mm of rain across 11.7 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 16°C by the end. The sky is clear or mostly clear about 35% 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 Vyazemskiy's 4th-clearest and 8th-windiest month. For the whole year in context, see Vyazemskiy's year-round climate.

Daytime high
19°
4th warmest
Overnight low
9th coldest
Rainfall
90 mm
11.7 wet days
Daylight
12 h 18 min
6:45 AM – 7:05 PM
Cloud cover
57%
4th clearest
Wind
10 km/h
8th windiest
Solar energy
3.82 kWh/m²
Travel score
5.8
out of 10

Vyazemskiy is human settlement in Khabarovsk Krai, Russia.

Density
347/km²
people per km²
Founded
1894

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 16°C by the end.

A typical September day in Vyazemskiy reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 5°C cooler than August and about 9°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12213
22213
32212
42212
52212
62112
72111
82111
92111
102010
112010
122010
132010
14209
15199
16199
17198
18198
19188
20187
21187
22187
23187
24176
25176
26176
27176
28165
29165
30165

How September really feels in Vyazemskiy

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.

Vyazemskiy weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-14° / -24°92.63.78.70.0
Feb-9° / -21°102.73.69.90.0
Mar-0° / -12°285.75.811.60.0
Apr10° / -1°529.83.913.32.3
May19° / 8812.80.314.95.4
Jun23° / 13°10614.4015.75.9
Jul26° / 17°16315.4015.45.7
Aug25° / 16°15814.5014.16.0
Sep19° / 9011.7012.45.8
Oct10° / 599.2210.62.5
Nov-3° / -11°275.85.29.10.0
Dec-13° / -22°153.95.28.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44258
54456
64456
74555
84555
94654
104753
114852
124753
134753
144852
154951
164951
175050
185050
195050
205149
215149
225149
235248
245248
255248
265248
275347
285347
295347
305446

Chance of precipitation in September

Any precipitation

Vyazemskiy gets around 90 mm of rain over 11.7 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 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
244
344
444
544
644
743
843
943
1042
1142
1241
1341
1440
1539
1638
1737
1837
1936
2036
2136
2235
2335
2435
2535
2635
2734
2834
2934
3034

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13533266
23833246
34132225
44432204
54831184
65130163
75429143
85828122
96127102
10652591
11682471
12712261
13742051
14781840
15801730
16831520
17851320
18861220
19891010
2090910
2191810
2293610
2395500
2496400
2597300
2698200
2798200
2899100
2999100
3099100

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3011calm

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 6:24 AM to 7:05 AM, and sunset from 7:37 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:247:37
213.26:267:35
313.16:277:33
413.06:297:31
513.06:307:29
612.96:317:27
712.96:337:24
812.86:347:22
912.76:357:20
1012.76:377:18
1112.66:387:16
1212.66:407:14
1312.56:417:12
1412.56:427:10
1512.46:447:08
1612.36:457:05
1712.36:477:03
1812.26:487:01
1912.26:496:59
2012.16:516:57
2112.06:526:55
2212.06:546:53
2311.96:556:51
2411.96:566:48
2511.86:586:46
2611.86:596:44
2711.77:016:42
2811.67:026:40
2911.67:036:38
3011.57:056:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.82 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 5.49 kWh/m² in June across the year — September's 3.82 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Moderate
74.0Moderate
84.0Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.4Moderate
Planning a trip in September

Hazard calendar for Vyazemskiy

In seasonPeak

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

Vyazemskiy's rainy season runs May–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Vyazemskiy?

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

5.8
Sightseeing
3rd-best month of the year
2.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Vyazemskiy for sightseeing.

What to pack for Vyazemskiy in September

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

In September, Vyazemskiy sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Vyazemskiy in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks 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 Vyazemskiy peaks around July 24 at about 7 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 24UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May6High
Jun7High
Jul7Very high
Aug7Very high
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Vyazemskiy 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 Vyazemskiy is worst in March — around 24 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (September, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMar 2224 µg/m³Sep 137 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar24Moderate
Apr23Moderate
May16Moderate
Jun12Good
Jul11Good
Aug8Good
Sep6Good
Oct11Good
Nov15Moderate
Dec10Good
Location & terrain

Where is Vyazemskiy?

Vyazemskiy sits at 47.5°N, 134.8°E, 76 m above sea level, in Russia. The nearest listed city is Bikin, 89 km away.

Topography around Vyazemskiy

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

Within 3 km, the terrain around Vyazemskiy has only modest variations in elevation — a maximum elevation change of 52 m around an average of 70 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 617 m; within 80 km, large variations in elevation — a maximum elevation change of 1,043 m.

The land around Vyazemskiy is covered by trees (44%) within 3 km, trees (67%) within 16 km, and trees (57%) and cropland (27%) within 80 km.

3 km
52 m
16 km
617 m
80 km
1,043 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Bikin 89 km · Khabarovsk 106 km · Luchegorsk 126 km · Dalnerechensk 194 km · Birobidzhan 195 km · Lesozavodsk 252 km · Dalnegorsk 338 km · Amursk 338 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 Vyazemskiy (47.5334°, 134.7578°, elevation 76 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. 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).