Gorno-Altaysk weather in September

In September, Gorno-Altaysk sees average daytime highs of 17°C and overnight lows near 5°C, with 77 mm of precipitation across 12.5 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 20°C in the first days to 14°C by the end. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Gorno-Altaysk's 3rd-clearest and 4th-windiest month. For the whole year in context, see Gorno-Altaysk's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
77 mm
12.5 wet days
Daylight
12 h 24 min
5:59 AM – 6:23 PM
Cloud cover
60%
3rd clearest
Wind
7 km/h
4th windiest
Solar energy
3.49 kWh/m²
Travel score
5.0
out of 10

Gorno-Altaysk is city in eastern Russia.

Density
658/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 20°C in the first days to 14°C by the end.

A typical September day in Gorno-Altaysk reaches about 17°C in the afternoon and slips back to 5°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 24°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)
1208
2208
3207
4197
5197
6197
7197
8196
9186
10186
11186
12185
13175
14175
15175
16175
17174
18164
19164
20164
21164
22153
23153
24153
25153
26153
27142
28142
29142
30142

How September really feels in Gorno-Altaysk

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 2 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
2
wind chill below the day's low

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

Gorno-Altaysk 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-9° / -20°236.78.28.10.0
Feb-6° / -18°226.37.69.60.0
Mar / -11°358.78.711.50.0
Apr11° / -1°7011.95.113.62.6
May18° / 9413.21.415.45.3
Jun22° / 11°9713.8016.46.1
Jul24° / 13°11316.20166.0
Aug22° / 11°10313.9014.46.2
Sep17° / 7712.50.412.45.0
Oct / -1°67125.310.41.8
Nov-1° / -10°5611.711.78.60.0
Dec-7° / -17°369.611.57.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 (%)
14753
24654
34753
44753
54753
64654
74654
84654
94555
104654
114654
124654
134456
144456
154357
164357
174357
184258
194258
204159
214159
224060
234060
244060
253862
263862
273862
283862
293862
303862

Chance of precipitation in September

Any precipitationSnow

Gorno-Altaysk gets around 77 mm of rain and snow over 12.5 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 42% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1430
2420
3420
4420
5420
6420
7420
8420
9420
10420
11420
12420
13420
14421
15421
16431
17431
18431
19432
20432
21422
22422
23413
24413
25403
26404
27404
28405
29395
30396

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
187121
289101
39091
49271
59361
69451
79541
89631
99730
109820
119820
129910
139910
149910
159910
169910
1710000
1810000
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000

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 24 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 120 minutes over September. Sunrise moves from 5:34 AM to 6:23 AM, and sunset from 6:58 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:346:58
213.35:356:56
313.35:376:54
413.25:396:51
513.15:406:49
613.15:426:47
713.05:446:44
812.95:456:42
912.95:476:39
1012.85:496:37
1112.75:506:35
1212.75:526:32
1312.65:546:30
1412.55:556:27
1512.55:576:25
1612.45:596:23
1712.36:006:20
1812.36:026:18
1912.26:046:15
2012.16:066:13
2112.16:076:10
2212.06:096:08
2311.96:116:05
2411.86:126:03
2511.86:146:01
2611.76:165:58
2711.66:175:56
2811.66:195:53
2911.56:215:51
3011.46:235:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.49 kWh/m².

For context, solar energy here swings from a low near 0.78 kWh/m² to a high of 6.09 kWh/m² in June across the year — September's 3.49 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.0Bright
64.0Bright
74.0Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.8Moderate
292.8Moderate
302.7Moderate
Planning a trip in September

Hazard calendar for Gorno-Altaysk

In seasonPeak

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

Gorno-Altaysk's rainy season runs April–November, 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 Gorno-Altaysk?

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

5.0
Sightseeing
5th-best month of the year
1.3
Beach & pool
5th-best month of the year

September is a reasonable time to visit Gorno-Altaysk for sightseeing.

What to pack for Gorno-Altaysk in September

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

In September, Gorno-Altaysk sees daytime highs around 17°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

UV index in Gorno-Altaysk 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 Gorno-Altaysk peaks around July 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 18UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Gorno-Altaysk?

Gorno-Altaysk sits at 52.0°N, 85.9°E, 285 m above sea level, in Russia. The nearest listed city is Mayma, 5.0 km away.

Topography around Gorno-Altaysk

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

Within 3 km, the terrain around Gorno-Altaysk has significant variations in elevation — a maximum elevation change of 366 m around an average of 384 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 973 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,208 m.

The land around Gorno-Altaysk is covered by trees (61%) and grassland (24%) within 3 km, grassland (48%) and trees (46%) within 16 km, and trees (57%) and grassland (27%) within 80 km.

3 km
366 m
16 km
973 m
80 km
2,208 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Mayma 5.0 km · Biysk 81 km · Tashtagol 161 km · Kaltan 197 km · Zarinsk 205 km · Osinniki 206 km · Yuzhnyy 208 km · Novoaltaysk 210 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 Gorno-Altaysk (51.9606°, 85.9189°, elevation 285 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).