Yakutsk weather in September

September in Yakutsk: cold, a little rain, with clean air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Yakutsk🇷🇺 Russia · Siberia & Mongolia · City73
  1. 28Jan
  2. 36Feb
  3. 40Mar
  4. 59Apr
  5. 79May
  6. 95Jun
  7. 92Jul
  8. 88Aug
  9. 73Sep
  10. 45Oct
  11. 31Nov
  12. 25Dec

#5 of 12 months in Yakutsk · #909 of 1413 destinations to visit in September · comfort 73/100 (tier B)

Days
12°C
Nights
0°C
Wet days
9
Sun
7.8 h
Humidity
72%
Daylight
13 h
Yakutsk, Russia
Photo: Ilya Varlamov · CC BY-SA 4.0

Traveller notes on Yakutsk in September

Other months in Yakutsk

Forum posters describe February conditions in Yakutsk as brutally cold, with one visitor specifically citing -38C outside during a February visit, and posters generally describing the sky as staying gray through the depths of winter. Posters are direct that most tourists visit Yakutsk in summer for good reason, since winter here can swing as low as -50C, a genuine extreme even by Siberian standards. Posters do point to the city's famous Kingdom of Permafrost attraction - an underground ice cave carved into the permafrost - as a definitive highlight regardless of season, arguably even more atmospheric in the depths of winter. Posters generally rate February as an extreme-cold, specialist destination rather than a casual winter city break, full extreme-cold gear considered essential.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe December in Yakutsk, one of the coldest permanently inhabited cities on Earth, with matter-of-fact bluntness - one visitor specifically reported outside temperatures of -38C during their trip. Posters comparing regional Siberian cities note Yakutsk runs slightly colder than some other Far Eastern District destinations, with December and February both mentioned as common windows for a deliberate cold-extremes trip here. Posters consistently recommend booking any tours well in advance rather than trying to arrange them on arrival, since availability for a specific December date can be limited. Posters generally treat Yakutsk's brutal winter cold as the whole point of visiting this time of year, not a deterrent - though it demands serious cold-weather gear regardless of how prepared a visitor feels.
Tripadvisor community · December · 1 month ago · Read more on Tripadvisor ↗
Yakutsk forum regulars keep repeating the same defining fact for any summer month here: can have +30° summers and -50° winters, a genuinely extreme range that makes August still solidly warm even as it's the back half of the short Siberian summer. Visitors researching the season find both summer and winter tours offered by local operators, confirming August sits comfortably within the viable travel window rather than a shoulder month. Daylight stays generous this far north even past the solstice. Our record: 21.5°C days, 12°C nights, 9.2 rain days and 15.9 hours of daylight — warm and bright, continuing the same reversal pattern already on file for June: a city built on permafrost running genuinely warm in summer.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗
Yakutsk markets itself on the extreme — it could be minus fifty in winter, and in summer the temperature reaches plus thirty outside — and June sits inside that summer swing, warm enough that visitor guides warn you may feel like you're in a sauna on the hottest days, a genuine surprise for a city built on permafrost. The other thing every guide mentions: near-endless daylight this far north, and a mosquito and gnat population thick enough that a headnet is standard packing advice alongside sun protection. Our record: 24.9°C days, 12.9°C nights and 19.5 hours of daylight — warm and bright, the reversal that makes Yakutsk's climate worth a note on both ends of the year.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Yakutsk's card on the map.

Yakutsk climate normals — September

Daytime high12°C / 54°F🧥 cold
Nighttime low0°C / 32°F
Feels like (high)9°C / 48°F
Rainfall35 mm / 1.4 in🌦 some rain
Rainy days9 days
Humidity72%💧 humid
Dew point1°C / 34°F
Sunshine7.8 h/day
Daylight12.9 h
Wind14 km/h / 9 mph
Snowfall3.3 cm / 1.3 in
Air quality (US AQI)24🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Yakutsk in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Yakutsk's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherYakutsk's weather peaks June–August.

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Best weatherFair weatherToughest weather

What's on in Yakutsk in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Lena boat season

    1 Jun – 30 Sep · usuallySummer season opens

    The ferry restarts and the boats to the Lena Pillars run for about four months — the only way to reach the rock columns upstream, a full day each way. Everything on the river is timed against the freeze that ends it.

What's on around the world in September →

Where is Yakutsk?

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Yakutsk in September — FAQ

Is September a good time to visit Yakutsk?
September in Yakutsk: cold, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for Yakutsk on SeasonMap's comfort score (73/100).
What is the weather like in Yakutsk in September?
In September, Yakutsk averages a daily high of 12.3°C and a low of 0.2°C, with about 34.7 mm of rain over roughly 8.6 rainy days.
What is the air quality in Yakutsk in September?
Yakutsk has a mean US Air Quality Index of about 24 in September.
Does it snow in Yakutsk in September?
Yakutsk sees roughly 3.3 cm of snowfall in September.