Udachny in Fall
In fall (September, October and November), Udachny sees average daytime highs around -8°C and overnight lows near -15°C, with 70 mm of precipitation over about 18 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 11°C in early September to -27°C by late November. The sky is clear or mostly clear about 7% of the time across fall, and the air most often feels dry.
Fall is Udachny's 2nd-best season to visit on our travel score. For the whole year in context, see Udachny's year-round climate.
- Avg daytime high
- -8°C
- 3rd-warmest season
- Avg overnight low
- -15°C
- Precipitation
- 70 mm
- 18 wet days
- Avg wind
- 10 km/h
- Travel score
- 0.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Udachny in Fall
Over the season highs ease from about 11°C in early September to -27°C by late November.
A typical fall day in Udachny reaches about -8°C and drops to -15°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Udachny
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 89 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Udachny weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -30° / -37° | 3 | 0.9 | 2.1 | 3.6 | 0.0 |
| Feb | -26° / -34° | 3 | 0.8 | 2 | 7.4 | 0.0 |
| Mar | -15° / -26° | 6 | 2.1 | 3.7 | 11.1 | 0.0 |
| Apr | -3° / -14° | 20 | 5.6 | 6.7 | 14.9 | 0.0 |
| May | 6° / -4° | 42 | 9.6 | 7.1 | 18.8 | 0.7 |
| Jun | 16° / 6° | 54 | 10.8 | 1 | 22.4 | 4.7 |
| Jul | 20° / 10° | 59 | 9.3 | 0 | 20.6 | 6.2 |
| Aug | 16° / 6° | 56 | 10.2 | 0.3 | 16.6 | 4.7 |
| Sep | 6° / -1° | 41 | 9.4 | 4.4 | 12.8 | 0.8 |
| Oct | -7° / -14° | 22 | 6.1 | 8 | 9 | 0.0 |
| Nov | -22° / -29° | 8 | 2.5 | 4.7 | 5.1 | 0.0 |
| Dec | -29° / -36° | 3 | 1.2 | 2.4 | 1.6 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 7% of the time across fall.
Chance of precipitation in Fall
Udachny gets around 70 mm of rain and snow over 18 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 14 h 36 min in early September to 3 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 1.0 kWh/m².
Is fall a good time to visit Udachny?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Udachny.
What to pack for Udachny in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Udachny sees daytime highs around -8°C and nights near -15°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 18 days see rain.
UV index in Udachny in Fall
Clear-sky midday UV across fall averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Udachny peaks around July 16 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 0 | 1 | 2 | 4 | 4 | 5 | 3 | 2 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 0 | Low |
| Mar | 1 | Low |
| Apr | 2 | Moderate |
| May | 4 | Moderate |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 3 | Moderate |
| Sep | 2 | Low |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Air quality in Udachny in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Udachny is worst in August — around 16 µg/m³ PM2.5 (moderate), about 32.8× the cleanest month (December, 1 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 1 | 1 | 3 | 4 | 5 | 8 | 14 | 16 | 6 | 2 | 1 | 1 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 1 | Good |
| Feb | 1 | Good |
| Mar | 3 | Good |
| Apr | 4 | Good |
| May | 5 | Good |
| Jun | 8 | Good |
| Jul | 14 | Moderate |
| Aug | 16 | Moderate |
| Sep | 6 | Good |
| Oct | 2 | Good |
| Nov | 1 | Good |
| Dec | 1 | Good |
Where is Udachny?
Udachny sits at 66.4°N, 112.4°E, 315 m above sea level, in Russia. The nearest listed city is Aykhal, 69 km away.
Topography around Udachny
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Udachny.
Within 3 km, the terrain around Udachny has significant variations in elevation — a maximum elevation change of 253 m around an average of 333 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 386 m; within 80 km, significant variations in elevation — a maximum elevation change of 593 m.
The land around Udachny is covered by trees (68%) within 3 km, trees (92%) within 16 km, and trees (97%) within 80 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
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 Udachny (66.4299°, 112.4021°, elevation 315 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.