Cheremkhovo weather in September

In September, Cheremkhovo sees average daytime highs of 15°C and overnight lows near 4°C, with 56 mm of precipitation across 10.1 wet days and about 12.4 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 26% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Cheremkhovo's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Cheremkhovo's year-round climate.

Daytime high
15°
5th warmest
Overnight low
9th coldest
Precipitation
56 mm
10.1 wet days
Daylight
12 h 24 min
6:50 AM – 7:14 PM
Cloud cover
62%
3rd clearest
Wind
12 km/h
3rd windiest
Solar energy
3.44 kWh/m²
Travel score
4.5
out of 10

Cheremkhovo is town in Irkutsk Oblast, Russia.

Density
2,296/km²
people per km²
Founded
1772

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 Cheremkhovo reaches about 15°C in the afternoon and slips back to 4°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 22°C. Set against its neighbours, September runs about 7°C cooler than August and about 9°C warmer than October.

10°20°151015202530
Avg high (°C)Avg low (°C)
1198
2198
3188
4187
5187
6177
7177
8176
9176
10166
11165
12165
13165
14155
15154
16154
17154
18143
19143
20143
21143
22132
23132
24132
25122
26121
27121
28121
29110
30110

How September really feels in Cheremkhovo

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 11 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
11
wind chill below the day's low

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

Cheremkhovo 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-18° / -26°51.53.37.90.0
Feb-12° / -23°51.82.99.50.0
Mar-2° / -14°93.1411.50.0
Apr / -3°215.73.213.61.9
May17° / 388.80.915.55.5
Jun23° / 11°6711.3016.66.5
Jul25° / 14°8312.1016.26.5
Aug22° / 12°8411.1014.56.4
Sep15° / 5610.10.612.44.5
Oct / -4°195.93.210.30.8
Nov-7° / -15°113.858.40.0
Dec-15° / -23°93.357.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54258
64258
74258
84258
94258
104159
114258
124258
134258
144357
154258
164258
174357
184357
194258
204258
214258
224357
234357
244357
254357
264357
274357
284357
294357
304258

Chance of precipitation in September

Any precipitationSnow

Cheremkhovo gets around 56 mm of rain and snow over 10.1 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 37% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1370
2370
3360
4360
5361
6361
7361
8361
9361
10361
11351
12352
13342
14332
15332
16332
17322
18322
19322
20322
21313
22303
23303
24293
25283
26283
27274
28274
29264
30264

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1937
2946
3955
4964
5973
6973
7982
8982
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

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
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1212calm
1312calm
1412calm
1512calm
1612calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 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 126 minutes over September. Sunrise moves from 6:23 AM to 7:15 AM, and sunset from 7:52 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:237:52
213.46:257:49
313.36:277:47
413.36:287:44
513.26:307:42
613.16:327:39
713.16:347:37
813.06:357:34
912.96:377:32
1012.86:397:29
1112.86:417:27
1212.76:437:24
1312.66:447:22
1412.66:467:19
1512.56:487:17
1612.46:507:14
1712.36:517:12
1812.36:537:09
1912.26:557:07
2012.16:577:04
2112.16:597:02
2212.07:006:59
2311.97:026:57
2411.87:046:54
2511.87:066:52
2611.77:076:49
2711.67:096:47
2811.67:116:44
2911.57:136:42
3011.47:156:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.44 kWh/m².

For context, solar energy here swings from a low near 0.8 kWh/m² to a high of 6.17 kWh/m² in June across the year — September's 3.44 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.7Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Cheremkhovo?

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

4.5
Sightseeing
5th-best month of the year
0.7
Beach & pool
5th-best month of the year

September is a reasonable time to visit Cheremkhovo for sightseeing.

What to pack for Cheremkhovo in September

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

In September, Cheremkhovo sees daytime highs around 15°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Cheremkhovo 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 Cheremkhovo peaks around July 12 at about 6 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5High
Jun6High
Jul7High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Cheremkhovo 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 Cheremkhovo is worst in May — around 16 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (December, 3 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1416 µg/m³Dec 134 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar7Good
Apr14Moderate
May16Moderate
Jun12Good
Jul15Moderate
Aug12Moderate
Sep6Good
Oct5Good
Nov4Good
Dec3Good
Location & terrain

Where is Cheremkhovo?

Cheremkhovo sits at 53.1°N, 103.1°E, 567 m above sea level, in Russia. The nearest listed city is Usol’ye-Sibirskoye, 58 km away.

Topography around Cheremkhovo

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

Within 3 km, the terrain around Cheremkhovo has only modest variations in elevation — a maximum elevation change of 80 m around an average of 572 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 242 m; within 80 km, large variations in elevation — a maximum elevation change of 675 m.

The land around Cheremkhovo is covered by trees (48%), grassland (29%) and artificial surfaces (20%) within 3 km, grassland (40%), cropland (36%) and trees (21%) within 16 km, and trees (49%), grassland (26%) and cropland (21%) within 80 km.

3 km
80 m
16 km
242 m
80 km
675 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Usol’ye-Sibirskoye 58 km · Angarsk 86 km · Zima 110 km · Sayansk 123 km · Shelekhov 124 km · Irkutsk 125 km · Markova 130 km · Slyudyanka 171 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 Cheremkhovo (53.1474°, 103.0819°, elevation 567 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).