Ussuriysk weather in September

In September, Ussuriysk sees average daytime highs of 21°C and overnight lows near 11°C, with 86 mm of rain across 8.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Ussuriysk's 6th-clearest and 10th-windiest month. For the whole year in context, see Ussuriysk's year-round climate.

Daytime high
21°
4th warmest
Overnight low
11°
9th coldest
Rainfall
86 mm
8.4 wet days
Daylight
12 h 18 min
6:58 AM – 7:15 PM
Cloud cover
53%
6th clearest
Wind
10 km/h
10th windiest
Solar energy
4.2 kWh/m²
Travel score
6.8
out of 10

Ussuriysk is town in Primorsky Krai, Russia.

Density
908/km²
people per km²
Founded
1866

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 24°C in the first days to 19°C by the end.

A typical September day in Ussuriysk reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32415
42314
52314
62314
72314
82313
92313
102213
112212
122212
132212
142212
152211
162111
172111
182110
192110
202110
212010
22209
23209
24209
25209
26199
27198
28198
29198
30188

How September really feels in Ussuriysk

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.

Ussuriysk weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-8° / -20°101.92.29.10.0
Feb-3° / -16°122.62.710.20.0
Mar / -7°2653.811.60.5
Apr13° / 457.91.713.23.6
May18° / 7611.50.114.55.5
Jun21° / 13°679.5015.26.3
Jul25° / 17°11010.9014.96.4
Aug25° / 18°12811.7013.86.3
Sep21° / 11°868.4012.36.8
Oct14° / 617.30.810.84.5
Nov / -7°3152.99.50.4
Dec-6° / -16°163.13.48.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24258
34456
44555
54753
64753
74951
84951
95149
105248
115248
125347
135545
145644
155743
165743
175842
185941
195941
206040
216040
226040
236139
246139
256238
266238
276238
286238
296238
306238

Chance of precipitation in September

Any precipitation

Ussuriysk gets around 86 mm of rain over 8.4 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 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
335
434
533
632
731
831
930
1029
1128
1228
1327
1426
1526
1626
1725
1825
1925
2025
2126
2226
2326
2426
2526
2626
2726
2826
2926
3026

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1192436193
2212435173
3232534163
4252533142
5282632132
6302631112
7322730101
835272991
938272771
1040272661
1143272450
1246272340
1349262130
1452262020
1555251820
1658241710
1760241510
1864231300
1965231200
2068221000
216922900
227221700
237321600
247520500
257719400
267918300
278018200
288117200
298316100
308415100

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min 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 90 minutes over September. Sunrise moves from 6:40 AM to 7:14 AM, and sunset from 7:44 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:407:44
213.06:417:42
313.06:427:40
412.96:447:38
512.96:457:36
612.86:467:34
712.86:477:33
812.76:487:31
912.76:497:29
1012.66:517:27
1112.66:527:25
1212.56:537:23
1312.56:547:21
1412.46:557:19
1512.36:567:17
1612.36:587:15
1712.26:597:13
1812.27:007:12
1912.17:017:10
2012.17:027:08
2112.07:037:06
2212.07:057:04
2311.97:067:02
2411.97:077:00
2511.87:086:58
2611.87:096:56
2711.77:116:54
2811.77:126:52
2911.67:136:51
3011.67:146:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.2 kWh/m².

For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 5.48 kWh/m² in June across the year — September's 4.2 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
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.0Bright
254.0Moderate
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Ussuriysk

In seasonPeak

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

Ussuriysk's rainy season runs May–October, 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 Ussuriysk?

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

6.8
Sightseeing
1st-best month of the year
4.3
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Ussuriysk for sightseeing.

What to pack for Ussuriysk in September

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

In September, Ussuriysk sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Ussuriysk 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 Ussuriysk peaks around August 18 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 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7High
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Ussuriysk 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 Ussuriysk is worst in April — around 49 µg/m³ PM2.5 (poor), about 6.1× the cleanest month (September, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodModerateApr 1346 µg/m³Sep 108 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb26Moderate
Mar35Poor
Apr49Poor
May20Moderate
Jun11Good
Jul11Good
Aug9Good
Sep8Good
Oct13Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Ussuriysk?

Ussuriysk sits at 43.8°N, 132.0°E, 33 m above sea level, in Russia. The nearest listed city is Artëm, 53 km away.

Topography around Ussuriysk

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

Within 3 km, the terrain around Ussuriysk has only modest variations in elevation — a maximum elevation change of 85 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 255 m; within 80 km, large variations in elevation — a maximum elevation change of 1,005 m.

The land around Ussuriysk is covered by artificial surfaces (64%) within 3 km, trees (34%) and cropland (31%) within 16 km, and trees (59%) and cropland (20%) within 80 km.

3 km
85 m
16 km
255 m
80 km
1,005 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Artëm 53 km · Trudovoye 57 km · Vladivostok 78 km · Bol'šoj Kamen' 83 km · Fokino 100 km · Spassk-Dal’niy 112 km · Arsen’yev 112 km · Partizansk 121 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 Ussuriysk (43.8047°, 131.9573°, elevation 33 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).