Ob’ weather in September

In September, Ob’ sees average daytime highs of 15°C and overnight lows near 5°C, with 46 mm of precipitation across 9.8 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 12°C by the end. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Ob’'s 6th-clearest and 9th-windiest month. For the whole year in context, see Ob’'s year-round climate.

Daytime high
15°
5th warmest
Overnight low
8th coldest
Precipitation
46 mm
9.8 wet days
Daylight
12 h 24 min
6:10 AM – 6:37 PM
Cloud cover
68%
6th clearest
Wind
12 km/h
9th windiest
Solar energy
3 kWh/m²
Travel score
4.4
out of 10

Ob’ is town in Novosibirsk Oblast, Russia.

Density
1,104/km²
people per km²
Founded
1934

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 12°C by the end.

A typical September day in Ob’ reaches about 15°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 22°C. Set against its neighbours, September runs about 7°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1198
2188
3188
4188
5188
6177
7177
8177
9177
10167
11166
12166
13166
14156
15156
16155
17155
18145
19145
20144
21144
22134
23134
24134
25133
26123
27123
28123
29123
30113

How September really feels in Ob’

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 4 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
4
wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Ob’ weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -21°247.49.77.50.0
Feb-10° / -19°175.97.79.30.0
Mar-2° / -11°2377.111.40.0
Apr / -2°297.73.113.81.7
May17° / 398.80.515.85.5
Jun22° / 12°5410.50176.6
Jul24° / 14°6411.8016.56.7
Aug22° / 11°5210.4014.76.5
Sep15° / 469.80.212.54.4
Oct / -1°4410.34.410.21.0
Nov-4° / -10°4010.810.68.10.0
Dec-11° / -18°3610.612.570.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 67%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23664
33565
43565
53565
63466
73466
83466
93565
103565
113565
123565
133466
143466
153367
163367
173367
183268
193268
203268
213169
223268
233169
243169
252971
262872
272872
282872
292773
302872

Chance of precipitation in September

Any precipitationSnow

Ob’ gets around 46 mm of rain and snow over 9.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 35% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1350
2340
3340
4340
5340
6330
7330
8330
9330
10330
11341
12341
13351
14351
15351
16351
17351
18351
19351
20341
21341
22331
23331
24321
25322
26312
27312
28302
29303
30293

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19181
29271
39460
49550
59550
69640
79730
89730
99820
109820
119910
129910
139910
1410000
1510000
1610000
1710000
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 36 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over September. Sunrise moves from 5:41 AM to 6:37 AM, and sunset from 7:16 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:417:16
213.55:437:14
313.45:457:11
413.45:477:09
513.35:497:06
613.25:517:03
713.15:537:01
813.15:556:58
913.05:576:55
1012.95:596:53
1112.86:016:50
1212.76:036:47
1312.76:046:45
1412.66:066:42
1512.56:086:39
1612.46:106:37
1712.46:126:34
1812.36:146:31
1912.26:166:29
2012.16:186:26
2112.16:206:23
2212.06:226:21
2311.96:246:18
2411.86:266:15
2511.86:286:13
2611.76:306:10
2711.66:326:07
2811.56:346:05
2911.46:356:02
3011.46:375:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 6.06 kWh/m² in June across the year — September's 3 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.6Moderate
53.6Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.2Moderate
Planning a trip in September

Is September a good time to visit Ob’?

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

4.4
Sightseeing
5th-best month of the year
0.6
Beach & pool
5th-best month of the year

September is a reasonable time to visit Ob’ for sightseeing.

What to pack for Ob’ in September

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

In September, Ob’ sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Ob’ in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ob’ peaks around June 23 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 22 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Dec 22UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Ob’ 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 Ob’ is worst in April — around 18 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodApr 1617 µg/m³Dec 175 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar10Good
Apr18Moderate
May11Good
Jun10Good
Jul15Moderate
Aug10Good
Sep8Good
Oct8Good
Nov7Good
Dec5Good
Location & terrain

Where is Ob’?

Ob’ sits at 55.0°N, 82.7°E, 93 m above sea level, in Russia. The nearest listed city is Novosibirsk, 14 km away.

Topography around Ob’

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

Within 3 km, the terrain around Ob’ has only modest variations in elevation — a maximum elevation change of 36 m around an average of 110 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, significant variations in elevation — a maximum elevation change of 349 m.

The land around Ob’ is covered by artificial surfaces (37%), trees (24%) and grassland (24%) within 3 km, cropland (36%) and trees (24%) within 16 km, and trees (43%), cropland (26%) and grassland (24%) within 80 km.

3 km
36 m
16 km
108 m
80 km
349 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Novosibirsk 14 km · Krasnoobsk 19 km · Akademgorodok 29 km · Kochenëvo 32 km · Berdsk 36 km · Iskitim 54 km · Linëvo 73 km · Cherepanovo 95 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 Ob’ (54.9888°, 82.7134°, elevation 93 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).