September · Russia
Best time to visit Lake Baikal in September Weather, crowds & prices
Weather in Lake Baikal in September
Average temperature 12°C, 36 mm of rain, about 8 days with 6+ hours of sunshine and 64% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.2/10
Ranked #5 of 12 months
- Avg temp
- 12°C
- Rainfall
- 36 mm
- Humidity
- 64%
- Days with 6h+ sun
- 8
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Lake Baikal scores 8.2/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 12°C, 36 mm of rain, and roughly 8 days with 6+ hours of sunshine this month.
Lake Baikal is the world's deepest freshwater sea-ice roads in winter, Circum-Baikal rail views, and endemic nerpa seals. Best window: the short high-summer window when daylight peaks.
September holds up well in Lake Baikal — 5th best month
September averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 8 days with 6+ hours of sunshine and 12.4 daylight hours.
It scores 8.2/10 here, 5th of 12 months, against 9.8/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? May scores 1.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Lake Baikal in September?
- In September, Lake Baikal averages 12°C, 36 mm of rain, and about 8 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
- Is September a good time to visit Lake Baikal?
- September earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lake Baikal in September?
- Expect about 36 mm of rain in September. Average humidity is 64% and there are about 8 days with 6+ hours of sunshine.
Curated in Lake Baikal
Tickets & experiences
Things to do in Lake Baikal
Lake Baikal, Russia. Live activities and tours from GetYourGuide, matched to this destination.