Sayanogorsk weather in September

In September, Sayanogorsk sees average daytime highs of 15°C and overnight lows near 5°C, with 88 mm of precipitation across 13.8 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 5th-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 25% 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 Sayanogorsk's 1st-clearest and 8th-windiest month. For the whole year in context, see Sayanogorsk's year-round climate.

Daytime high
15°
5th warmest
Overnight low
9th coldest
Precipitation
88 mm
13.8 wet days
Daylight
12 h 24 min
6:36 AM – 7:01 PM
Cloud cover
63%
1st clearest
Wind
7 km/h
8th windiest
Solar energy
3.39 kWh/m²
Travel score
4.1
out of 10

Sayanogorsk is human settlement in Khakas Republic, Russia.

Density
2,628/km²
people per km²
Founded
1830

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 Sayanogorsk reaches about 15°C in the afternoon and slips back to 5°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 6°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1188
2188
3187
4187
5177
6177
7176
8176
9176
10166
11165
12165
13165
14155
15155
16154
17154
18154
19144
20144
21143
22143
23133
24133
25132
26132
27122
28122
29122
30121

How September really feels in Sayanogorsk

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

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

Sayanogorsk weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-11° / -21°124.16.77.90.0
Feb-7° / -19°124.15.79.50.0
Mar / -11°236.57.211.50.0
Apr10° / -2°5511.76.513.62.0
May16° / 9014.42.315.54.5
Jun22° / 10°11215.3016.65.7
Jul23° / 13°12815.6016.25.9
Aug21° / 11°13016.9014.55.4
Sep15° / 8813.8112.44.1
Oct / -2°5310.86.210.31.1
Nov-3° / -11°359.410.38.40.0
Dec-9° / -18°2379.37.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
74060
84060
94159
104159
114258
124258
134258
144258
154258
164258
174258
184159
194159
204060
214060
223961
233961
243961
253862
263862
273961
283961
293862
303862

Chance of precipitation in September

Any precipitationSnow

Sayanogorsk gets around 88 mm of rain and snow over 13.8 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 45% and peaks near 51% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1510
2500
3500
4500
5490
6491
7481
8481
9471
10471
11461
12451
13451
14452
15452
16452
17453
18443
19444
20444
21445
22435
23436
24427
25427
26418
27408
28399
293810
303810

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
5964
6973
7973
8982
9982
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:10 AM to 7:01 AM, and sunset from 7:38 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:107:38
213.46:127:36
313.36:137:33
413.36:157:31
513.26:177:29
613.16:197:26
713.16:207:24
813.06:227:21
912.96:247:19
1012.86:267:16
1112.86:277:14
1212.76:297:11
1312.66:317:09
1412.66:337:06
1512.56:357:04
1612.46:367:01
1712.36:386:59
1812.36:406:56
1912.26:426:53
2012.16:436:51
2112.16:456:48
2212.06:476:46
2311.96:496:43
2411.86:516:41
2511.86:526:38
2611.76:546:36
2711.66:566:33
2811.66:586:31
2911.57:006:28
3011.47:016:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.39 kWh/m².

For context, solar energy here swings from a low near 0.74 kWh/m² to a high of 6.03 kWh/m² in June across the year — September's 3.39 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.7Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.8Moderate
292.7Moderate
302.7Moderate
Planning a trip in September

Hazard calendar for Sayanogorsk

In seasonPeak

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

Sayanogorsk'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 Sayanogorsk?

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

4.1
Sightseeing
5th-best month of the year
0.6
Beach & pool
5th-best month of the year

September is a reasonable time to visit Sayanogorsk for sightseeing.

What to pack for Sayanogorsk in September

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

In September, Sayanogorsk sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

UV index in Sayanogorsk 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 Sayanogorsk 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Sayanogorsk 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 Sayanogorsk is worst in April — around 15 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (December, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1515 µg/m³Dec 154 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr15Moderate
May9Good
Jun10Good
Jul12Good
Aug9Good
Sep7Good
Oct6Good
Nov6Good
Dec4Good
Location & terrain

Where is Sayanogorsk?

Sayanogorsk sits at 53.1°N, 91.4°E, 314 m above sea level, in Russia. The nearest listed city is Shushenskoye, 43 km away.

Topography around Sayanogorsk

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

Within 3 km, the terrain around Sayanogorsk has only modest variations in elevation — a maximum elevation change of 70 m around an average of 320 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 888 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,056 m.

The land around Sayanogorsk is covered by grassland (42%), trees (26%) and artificial surfaces (22%) within 3 km, grassland (47%) and trees (45%) within 16 km, and trees (52%) and grassland (38%) within 80 km.

3 km
70 m
16 km
888 m
80 km
2,056 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Shushenskoye 43 km · Abakan 68 km · Minusinsk 70 km · Chernogorsk 81 km · Abaza 101 km · Mezhdurechensk 231 km · Tashtagol 239 km · Myski 249 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 Sayanogorsk (53.0998°, 91.4074°, elevation 314 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).